load shedding controller operation manual

Relion® 630 series

Load Shedding ControllerPML630Operation Manual

Document ID: 1MRS757183Issued: 2011-05-04

Revision: AProduct version: 1.1

© Copyright 2011 ABB. All rights reserved

CopyrightThis document and parts thereof must not be reproduced or copied without writtenpermission from ABB, and the contents thereof must not be imparted to a thirdparty, nor used for any unauthorized purpose.

The software or hardware described in this document is furnished under a licenseand may be used, copied, or disclosed only in accordance with the terms of suchlicense.

TrademarksABB and Relion are registered trademarks of ABB Group. All other brand orproduct names mentioned in this document may be trademarks or registeredtrademarks of their respective holders.

WarrantyPlease inquire about the terms of warranty from your nearest ABB representative.

ABB Oy

Distribution Automation

P.O. Box 699

FI-65101 Vaasa, Finland

Telephone: +358 10 2211

Facsimile: +358 10 22 41094

http://www.abb.com/substationautomation

HTTP://WWW.ABB.COM/SUBSTATIONAUTOMATION

DisclaimerThe data, examples and diagrams in this manual are included solely for the conceptor product description and are not to be deemed as a statement of guaranteedproperties. All persons responsible for applying the equipment addressed in thismanual must satisfy themselves that each intended application is suitable andacceptable, including that any applicable safety or other operational requirementsare complied with. In particular, any risks in applications where a system failure and/or product failure would create a risk for harm to property or persons (including butnot limited to personal injuries or death) shall be the sole responsibility of theperson or entity applying the equipment, and those so responsible are herebyrequested to ensure that all measures are taken to exclude or mitigate such risks.

This document has been carefully checked by ABB but deviations cannot becompletely ruled out. In case any errors are detected, the reader is kindly requestedto notify the manufacturer. Other than under explicit contractual commitments, inno event shall ABB be responsible or liable for any loss or damage resulting fromthe use of this manual or the application of the equipment.

ConformityThis product complies with the directive of the Council of the EuropeanCommunities on the approximation of the laws of the Member States relating toelectromagnetic compatibility (EMC Directive 2004/108/EC) and concerningelectrical equipment for use within specified voltage limits (Low-voltage directive2006/95/EC). This conformity is the result of tests conducted by ABB inaccordance with the product standards EN 50263 and EN 60255-26 for the EMCdirective, and with the product standards EN 60255-1 and EN 60255-27 for the lowvoltage directive. The IED is designed in accordance with the internationalstandards of the IEC 60255 series.

Safety information

Dangerous voltages can occur on the connectors, even though theauxiliary voltage has been disconnected.

Non-observance can result in death, personal injury or substantialproperty damage.

Only a competent electrician is allowed to carry out the electricalinstallation.

National and local electrical safety regulations must always befollowed.

The frame of the IED has to be carefully earthed.

Whenever changes are made in the IED, measures should be takento avoid inadvertent tripping.

The IED contains components which are sensitive to electrostaticdischarge. Unnecessary touching of electronic components musttherefore be avoided.

Table of contents

Section 1 Introduction.......................................................................5This manual........................................................................................5Intended audience..............................................................................5Product documentation.......................................................................6

Product documentation set............................................................6Document revision history.............................................................7Related documentation..................................................................8

Symbols and conventions...................................................................8Safety indication symbols..............................................................8Manual conventions.......................................................................8Functions, codes and symbols......................................................9

Section 2 Environmental aspects...................................................11Sustainable development.................................................................11Disposing of the IED.........................................................................11

Section 3 IED Overview.................................................................13Overview...........................................................................................13Local HMI.........................................................................................14

Display.........................................................................................14LEDs............................................................................................17Keypad........................................................................................17Local HMI functionality................................................................21

Protection and alarm indication..............................................21Parameter management ........................................................23IED modes..............................................................................23Load-shedding application modes..........................................24Front communication..............................................................26Single-line diagram.................................................................26

Web HMI...........................................................................................27Command buttons.......................................................................28

Authorization.....................................................................................29Communication.................................................................................30PCM600 tool.....................................................................................30

Connectivity packages.................................................................31PCM600 and IED connectivity package version..........................31

Section 4 Using the HMI.................................................................33Using the local HMI..........................................................................33

Logging on...................................................................................33

Table of contents

PML630 1Operation Manual

Logging off...................................................................................34Turning the display backlight on..................................................35Identifying the device...................................................................35Adjusting the display contrast......................................................36Changing the local HMI language...............................................37Navigating in the menu................................................................37

Menu structure.......................................................................38Scrolling the display...............................................................38Changing the default view......................................................39

Using function buttons.................................................................39Using the single-line diagram......................................................40Browsing setting values...............................................................40Editing values..............................................................................42

Editing numerical values........................................................42Editing enumerated values.....................................................44

Saving settings............................................................................45Clearing and acknowledging.......................................................45Using the local HMI help..............................................................46Accessing IED settings using LHMI.............................................46Clearing menu.............................................................................51Executing the manual load shed command from LHMI...............55

Using the Web HMI..........................................................................57Logging in....................................................................................57Logging out..................................................................................57Identifying the device...................................................................59Navigating in the menu................................................................60

Menu structure.......................................................................60Setting parameters in Web HMI..................................................60Editing values..............................................................................65Committing settings.....................................................................67Settings in WHMI.........................................................................69

Monitoring the device status on PML630 IED........................71Clear menu.............................................................................71Manual load shed command execution..................................72

Selecting the event view..............................................................73COM600 operational aspects for load shedding..............................74

Section 5 IED operation.................................................................83Normal operation..............................................................................83IED parametrization..........................................................................83

IED settings for IED functionality.................................................83

Section 6 Operating procedures.....................................................85Monitoring.........................................................................................85

Table of contents

2 PML630Operation Manual

Indications...................................................................................85Monitoring alarm data.............................................................85Monitoring an internal IED fault .............................................86Monitoring condition monitoring data.....................................87Monitoring the IED using the local HMI..................................87

Controlling..................................................................................... 0Resetting the IED.......................................................................... 0

Clearing and acknowledging via the local HMI......................... 0Changing the IED functionality or behaviour................................. 0

Setting the IED into test mode.................................................. 0Browsing and editing setting group values............................... 0Activating LEDs........................................................................ 0

Section 7 Troubleshooting .......................................................... 0Fault tracing................................................................................... 0

Identifying hardware errors....................................................... 0Identifying runtime errors.......................................................... 0Identifying communication errors.............................................. 0

Checking the communication link operation........................ 0Checking the time synchronization...................................... 0

Running the display test........................................................... 0Indication messages...................................................................... 0

Internal faults............................................................................ 0Warnings.................................................................................. 0Additional indications................................................................ 0

Correction procedures................................................................... 0Resetting the configuration....................................................... 0Changing and setting the password......................................... 0Identifying IED application problems........................................ 0

Section 8 Glossary...................................................................... 0

Table of contents


Section 1 Introduction

1.1 This manual

The operation manual contains instructions on how to operate the IED once it hasbeen commissioned. The manual provides instructions for monitoring, controllingand setting the IED.

1.2 Intended audience

This manual addresses the operator, who operates the IED on a daily basis.

The operator must be trained in and have a basic knowledge of how to operate load-shed functionality. The manual contains terms and expressions commonly used todescribe this functionality.

1MRS757183 A Section 1Introduction


1.3 Product documentation

1.3.1 Product documentation set

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Application engineering

Operation manual

Installation manual

Service manual

Engineering manual

Commissioning manual

Communication protocolmanual

Technical manual

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ApplicationApplication

Operation manualOperation manual

Installation manualInstallation manual

Service manualService manual

EngineeringEngineering

Commissioning Commissioning

Communication protocolmanualCommunication protocolmanual

Technical manualTechnical manual

engineeringengineeringguideguideguide

GUID-6D633E82-6FD1-46D4-B2EC-D93A3E2016D8 V1 EN

Figure 1: The intended use of manuals in different lifecycles

The engineering manual contains instructions on how to engineer the IED usingPCM600. The manual provides instructions on how to set up a PCM600 projectand insert IEDs to the project structure. The manual also recommends a sequencefor engineering of load shedding power management function, LHMI functions andcommunication engineering for IEC 61850.

The installation manual contains instructions on how to install the IED. Themanual provides procedures for mechanical and electrical installation. The chaptersare organized in chronological order in which the IED should be installed.

The commissioning manual contains instructions on how to commission the IEDwith the load shedding power management functions. The manual can also be usedby system engineers and maintenance personnel for assistance during the testingphase. The manual provides procedures for checking external circuitry andenergizing the IED, parameter setting and configuration. The manual describes theprocess of testing an IED in a substation that is not in service. The chapters areorganized in chronological order in which the IED should be commissioned.

Section 1 1MRS757183 AIntroduction


The application engineering guide provides information for IEC 61850 engineeringof the load shedding controller IED, protection and control IEDs and COM600Station Automation device using PCM600, CCT600 and SAB600. With a practicalexample, the guide explains all the steps from system planning and engineering toapplication functionality and IED parameterization for realizing the load sheddingfunctionality using the IEDs.

The operation manual contains instructions on how to operate the IED once it hasbeen commissioned. The manual provides instructions for monitoring, controllingand setting the IED.

The service manual contains instructions on how to service and maintain the IED.The manual also provides procedures for de-energizing, de-commissioning anddisposal of the IED.

The technical manual contains application and functionality descriptions and listsfunction blocks, logic diagrams, input and output signals, setting parameters andtechnical data sorted per function. The manual can be used as a technical referenceduring the engineering phase, installation and commissioning phase, and duringnormal service.

The communication protocol manual describes a communication protocolsupported by the IED. The manual concentrates on vendor-specific implementations.

The point list manual describes the outlook and properties of the data pointsspecific to the IED. The manual should be used with the correspondingcommunication protocol manual.

The IED documentation set includes operation manual, engineeringmanual, application engineering guide, technical manual, point listmanual and IEC 61850 communication protocol manual. See the630 series documentation set for installation manual andcommissioning manual. The service manual is not available yet.

1.3.2 Document revision historyDocument revision/date Product version HistoryA/2011-05-04 1.1 First release

Download the latest documents from the ABB web site http://www.abb.com/substationautomation.





1.3.3 Related documentationProduct series- and product-specific manuals can be downloaded from the ABBweb site http://www.abb.com/substationautomation .

1.4 Symbols and conventions

1.4.1 Safety indication symbols

The electrical warning icon indicates the presence of a hazardwhich could result in electrical shock.

The warning icon indicates the presence of a hazard which couldresult in personal injury.

The caution icon indicates important information or warning relatedto the concept discussed in the text. It might indicate the presenceof a hazard which could result in corruption of software or damageto equipment or property.

The information icon alerts the reader of important facts andconditions.

The tip icon indicates advice on, for example, how to design yourproject or how to use a certain function.

Although warning hazards are related to personal injury, it is necessary tounderstand that under certain operational conditions, operation of damagedequipment may result in degraded process performance leading to personal injuryor death. Therefore, comply fully with all warning and caution notices.

1.4.2 Manual conventionsConventions used in IED manuals. A particular convention may not be used in thismanual.

• Abbreviations and acronyms in this manual are spelled out in the glossary. Theglossary also contains definitions of important terms.

• Push button navigation in the LHMI menu structure is presented by using thepush button icons, for example:



To navigate between the options, use and .• HMI menu paths are presented in bold, for example:

Select Main menu/Settings.• LHMI messages are shown in Courier font, for example:

To save the changes in non-volatile memory, select Yes and press .• Parameter names are shown in italics, for example:

The function can be enabled and disabled with the Operation setting.• The ^ character in front of an input or output signal name in the function block

symbol given for a function, indicates that the user can set an own signal namein PCM600.

• The * character after an input or output signal name in the function blocksymbol given for a function, indicates that the signal must be connected toanother function block in the application configuration to achieve a validapplication configuration.

1.4.3 Functions, codes and symbolsTable 1: Functions included in PML630

Functionality IEC 61850Control

Double point indication DPGGIO1)

Monitoring

Station battery supervision SPVNZBAT1)

Generic measured values MVGGIO1)

Single point indication SPGGIO1)

Power management

Critical circuit breaker NCBDCSWI

Contingency based fast load shed LSCACLS

Sheddable load trip LSPTRC

Busbar with sheddable load LDMMXU

Network power source PWSMMXU

Subnetwork output SNWRCLS

Disturbance recorder function

Disturbance recorder DRRDRE1)

Analog channels 1-10 (samples) A1RADR1)

Analog channel 11-20 (samples) A2RADR1)

Analog channel 21-30 (samples) A3RADR1)

Analog channel 31-40 (calc. val.) A4RADR

Binary channel 1-16 B1RBDR

Table continues on next page



Functionality IEC 61850Binary channel 17-32 B2RBDR

Binary channel 33-48 B3RBDR1)

Binary channel 49-64 B4RBDR1)

1) The function is not used by default. However, it is kept enabled in the Application Configuration toolfor instantiation in any additional user defined logic other than the features offered by the IEDConnectivity Package.



Section 2 Environmental aspects

2.1 Sustainable development

Sustainability has been taken into account from the beginning of the product designincluding the pro-environmental manufacturing process, long life time, operationreliability and disposing of the IED.

The choice of materials and the suppliers have been made according to the EURoHS directive (2002/95/EC). This directive limits the use of hazardous substanceswhich are the following:

Table 2: Maximum concentration values by weight per homogeneous material

Substance Proposed maximum concentrationLead - Pb 0.1%

Mercury - Hg 0.1%

Cadmium - Cd 0.01%

Hexavalent Chromium Cr (VI) 0.1%

Polybrominated biphenyls - PBB 0.1%

Polybrominated diphenyl ethers - PBDE 0.1%

Operational reliability and long life time have been assured with extensive testingduring the design and manufacturing processes. Moreover, long life time issupported by maintenance and repair services as well as by the availability of spareparts.

Design and manufacturing have been done under a certified environmental system.The effectiveness of the environmental system is constantly evaluated by anexternal auditing body. We follow environmental rules and regulationssystematically to evaluate their effect on our products and processes.

2.2 Disposing of the IED

Definitions and regulations of hazardous materials are country-specific and changewhen the knowledge of materials increases. The materials used in this product aretypical for electric and electronic devices.

All parts used in this product are recyclable. When disposing of an IED or its partscontact a local waste handler who is authorized and specialized in disposing

1MRS757183 A Section 2Environmental aspects


electronic waste. These handlers can sort the material by using dedicated sortingprocesses and dispose of the product according to the local requirements.

Table 3: Materials of the IED parts

IED Parts MaterialUnit Metallic plates, parts and screws Steel

Plastic parts PC1), LCP2)

LHMI display module Various

Package Box Cardboard

Attached material Manuals Paper

1) Polycarbonate2) Liquid crystal polymer

Section 2 1MRS757183 AEnvironmental aspects


Section 3 IED Overview

3.1 Overview

PML630 is a power management IED that provides comprehensive load sheddingsolution for the power network in an industrial plant. It protects the plant againstblackouts and power source outages due to system disturbances. This IED is amember of ABB’s Relion® product family and a part of its 630 product seriescharacterized by functional scalability and flexible configurability.

PML630 is identical to the Relion 630 series IEDs and does not have any specifichardware modules. It is only the application functions pre-loaded in the IED thatdifferentiate it from the other 630 series IEDs.

The IED supports various modes of load shedding.

• Fast load shedding based on network contingencies• Slow load shedding based on transformer overloading or the maximum

demand violation of the grid tie feeder• Manual load shedding based on operator defined priorities

The supported communication protocols including the IEC 61850 offer seamlessconnectivity with other Relion series IEDs and COM600 Station Automationdevice to realise the load shedding functionality. The IED uses GOOSE and MMScommunication profiles for I/O data transfer with other Relion series IEDs andCOM600 Station Automation device.

1MRS757183 A Section 3IED Overview


3.2 Local HMI

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Figure 2: LHMI

The LHMI of the IED contains the following elements:

• Display• Buttons• LED indicators• Communication port

The LHMI is used for setting, monitoring and controlling the IED.

3.2.1 DisplayThe LHMI includes a graphical monochrome display with a resolution of 320 x240 pixels. The character size can vary. The amount of characters and rows fittingthe view depends on the character size and the view that is shown.

The display view is divided into four basic areas.

Section 3 1MRS757183 AIED Overview


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GUID-371FF8D7-5C0C-406E-B0CE-F512ADB53FF2 V3 EN

Figure 3: Display layout

1 Path

2 Content

3 Status

4 Scroll bar (appears when needed)

• The path shows the current location in the menu structure. If the path is toolong to be shown, it is truncated from the beginning, and the truncation isindicated with three dots.

• The content area shows the menu content.• The status area shows the current IED time, the user that is currently logged in

and the object identification string which is settable via the LHMI or withPCM600.

• If text, pictures or other items do not fit in the display, a vertical scroll barappears on the right. The text in content area is truncated from the beginning ifit does not fit in the display horizontally. Truncation is indicated with three dots.



GUID-FB4F1709-9908-4FAE-B57F-94375CD54824 V2 EN

Figure 4: Truncated path

The display is updated either cyclically or based on changes in the source data suchas parameters or events.

The function button panel shows on request what actions are possible with thefunction buttons. Each function button has a LED indication that can be used as afeedback signal for the function button control action. The LED is connected to therequired signal with PCM600.

GUID-ED0CC912-ED59-4270-A3B8-9818FFE300FD V3 EN

Figure 5: Function button panel

The alarm LED panel shows on request the alarm text labels for the alarm LEDs.



GUID-A6E0ECB6-03ED-44FC-AD89-BCE6CB25E5DC V3 EN

Figure 6: Alarm LED panel

The function button and alarm LED panels are not visible at the same time. Eachpanel is shown by pressing one of the function buttons or the Multipage button.Pressing the ESC button clears the panel from the display. Both the panels havedynamic width that depends on the label string length that the panel contains.

3.2.2 LEDsThe LHMI includes three indicators above the display: Ready, Start and Trip. Theload shedding start (power balance calculation initiation) and operate (initiation ofload-shed commands) are mapped to the LHMI LEDs.

There are also fifteen matrix programmable alarm LEDs on front of the LHMI.Each LED can indicate three states with the colors: green, yellow and red. Thealarm texts related to each three-color LED are divided into three pages and can bebrowsed with the Multipage button. Altogether, the fifteen physical three-colorLEDs can indicate 45 different alarms. The fifteen physical three-color LEDs inone LED group can indicate 45 different signals. Altogether, 135 signals can beindicated since there are three LED groups. The LEDs can be configured withPCM600 and the operation mode can be selected with the LHMI or PCM600.

For the IED, only group 1 LEDs are envisaged to be used. If additional LEDindications are required to suit project requirements, they need to be configuredwith PCM600.

3.2.3 KeypadThe LHMI keypad contains push-buttons which are used to navigate in differentviews or menus. The push-buttons are used to acknowledge alarms, resetindications, provide help, make new settings and confirmations and so on.



The keypad also contains programmable push-buttons that can be configured eitheras menu shortcut or control buttons.



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Figure 7: LHMI keypad with object control, navigation and commandpushbuttons and RJ-45 communication port

1...5 Function button

6 Disabled in PML630


8 Escape

9 Left

10 Down

11 Up

12 Right

13 Key

14 Enter


16 Uplink LED

17 Not in use

18 Multipage

19 Menu

20 Clear

21 Help



22 Communication port

NavigationThe arrow buttons are used for navigation. To scroll information, press the arrowbutton several times or keep it pressed down.

Table 4: Navigation push-buttons

Name Description

ESC• Leaving setting mode without saving the values.• Cancelling certain actions.• Adjusting the display contrast in combination with or .• Changing the language in combination with or .• Running the display test in combination with .• Deleting a character in combination with when editing a string.• Inserting a space in combination with when editing a string.

Enter• Entering parameter setting mode.• Confirming a new value of a setting parameter.• Confirming selection in dialogs and alarm panel.

Up

Down

• Moving up and down in menus.• Moving selection in dialogs and alarm panel.• Scrolling active digits of a parameter when entering a new setting value.

Left

Right

• Moving left and right in menus.• Selecting pages in the SLD.• Changing the active digit of a parameter when entering a new setting value.

Key• Activating the authorization procedure, when the user is not logged in.• Logging out, when the user is currently logged in.

CommandsTable 5: Command push-buttons

Name Description

Menu• Moving directly to Main menu, if

currently in any other menu or view.• Moving to the default view, if currently

in Main menu.

Clear• Activating the Clear/Reset view.

HelpShowing the help menu.

MultipageOpening alarm panel and selecting alarmpage from the view.



Function buttonsTable 6: Function buttons

Name Description

LCDfunction button

Executing the defined function: OFF, menu short cut or binary control.

3.2.4 Local HMI functionality

3.2.4.1 Protection and alarm indication

Protection indicatorsThe protection indicator LEDs are Ready, Start and Trip.

Configure the disturbance recorder to enable the start and trip LEDs.

Table 7: Ready LED

LED state DescriptionOff Auxiliary supply voltage is disconnected.

On Normal operation of load-shedding function.

Flashing Internal fault has occurred.

Table 8: Start LED

LED state DescriptionOff Normal operation.

On A load-shedding function, fast load shedding or slow load shedding hasstarted, that is, power balance calculations are initiated.

Flashing The IED is in test mode and load shed functions are blocked.

• The indication disappears when the IED is no longer in test modeand blocking is removed.

Table 9: Trip LED

LED state DescriptionOff Normal operation.

On A load-shedding function (fast load shedding or slow load shedding ormanual load shedding) has operated (load shed command issued).



Alarm indicatorsThe 15 programmable three-color LEDs are used for alarm indication. The colorsof the LEDs are defined by the configuration and they are independent of theLEDs' states.

Table 10: Alarm indications

LED state DescriptionOff Normal operation. All activation signals are off.

On • Follow-S sequence: The activation signal is on.• LatchedColl-S sequence: The activation signal is on, or it is off but the indication

has not been acknowledged.• LatchedAck-F-S sequence: The indication has been acknowledged, but the

activation signal is still on.• LatchedAck-S-F sequence: The activation signal is on, or it is off but the

indication has not been acknowledged.• LatchedReset-S sequence: The activation signal is on, or it is off but the

indication has not been acknowledged.

Flashing • Follow-F sequence: The activation signal is on.• LatchedAck-F-S sequence: The activation signal is on, or it is off but the

indication has not been acknowledged.• LatchedAck-S-F sequence: The indication has been acknowledged, but the

activation signal is still on.

The 13 programmable three-color LEDs are used for alarm indication. START/PICKUP yellow color LED indicates start signal of load shed. TRIP RED colorLED indicates the operate signal of load shed. The green color LED is not used.Out of 13 LEDs, 7 LEDs are configured and shown in the table below. Other 6LEDs are left for the user configuration.

Table 11: Alarm indications

LEDs OperationsStart LED General load-shedding start (initiation of power

balance calculations)

Trip LED General load-shedding operation (power balancecalculations) resulting in load-shed commandinitiation to feeder IEDs

LED1 • Fast load-shedding module activation (Redindication pin)

• Fast load-shedding module start (Yellowindication pin)

LED2 • Grid Transformer 1 Slow load-sheddingmodule activation (Red indication pin)

• Grid Transformer 1 Slow load-sheddingmodule start (Yellow indication pin)

LED3 • Grid Transformer 2 Slow load-sheddingmodule activation (Red indication pin)

• Grid Transformer 2 Slow load-sheddingmodule start (Yellow indication pin)




LEDs OperationsLED4 SubNetwork 1 load-shedding block (example)

LED5 SubNetwork 2 load-shedding block (example)



3.2.4.2 Parameter management

The LHMI is used to access the IED parameters. Three types of parameters can beread and written.

• Numerical values• String values• Enumerated values

Numerical values are presented either in integer or in decimal format withminimum and maximum values. Character strings can be edited character bycharacter. Enumerated values have a predefined set of selectable values.

3.2.4.3 IED modes

The IED supports four operational modes.

• On• Test• Blocked• Test+Blocked



LLN0ModstVal=3Q=0

stVal=3Q= 000000000010

FLSModstVal=1Q=0

stVal=3/4/5

SLLSModstVal=1Q=0

stVal=3/4/5

Beh

Beh

Beh

IED Set to Test Mode from Local

HMI

Q= 000000000010

Q= 000000000010

61850 Stack

Fast Loadshedding

Slow Loadshedding

Operation On/Off

Block

Block

Blocked

Blocked

AFL

Grid2SL

Grid1SL

Block_Grd_SL1

Block_Grd_SL2

GUID-3601B5EB-FBBC-4144-B082-67903DBDAEDC V1 EN

Figure 8: IED Test mode handling sequence

Table 12: Semantics of IED LN0 behaviour, based on modes

IED mode Functionalitymode(LSCACLS mode)

LNBeh LNBeh Value

On On On 1

Test On Test 3

Test Blocked Test+Blocked 4

Test Off Off 5

3.2.4.4 Load-shedding application modes

The IED supports different load-shedding application modes.

• On• Off• Blocked



The load-shedding AFL functions support the On, Off and Blocked modes for fastload shedding and slow load shedding. If the LSCACLS function block Operationis set to OFF, load shedding functionality cannot be active. Fast load-sheddingfunctionality is active only if LSCACLS (core) function’s Operation is set in ONmode.

Slow load shedding can be blocked by using block input shown in the figure IEDTEST Mode handling sequence. Slow load shedding for Grid1 and Grid2 can beblocked individually. If Fast load shedding is blocked, slow load shedding alsoneeds to be blocked.

Four out of the five functional keys in the Local HMI can be configured (seeEngineering Manual) for blocking the fast load shedding and slow load shedding.

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3

2

4

5

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Figure 9: Load-shedding functional keys

1. Load shedding blocked2. Slow load shedding blocked3. Slow load shedding Grid1 blocked4. Slow load shedding Grid2 blocked5. Global reset



3.2.4.5 Front communication

The RJ-45 port in the LHMI enables front communication.

• The green uplink LED on the left is lit when the cable is successfullyconnected to the port.

GUID-D71BA06D-3769-4ACB-8A32-5D02EA473326 V1 EN

Figure 10: RJ-45 communication port and green indicator LED

1 RJ-45 connector

2 Green indicator LED

When a computer is connected to the IED front port with a crossed-over cable, theIED's DHCP server for the front interface assigns an IP address to the computer.The default IP address for the front port is 192.168.0.254.

3.2.4.6 Single-line diagram

The single-line diagram feature is used to display the key load-shedding networkdiagram. This comprises of the power sources, network and load circuit breakerindications, as ascertained by the load-shedding logic in the IED. Single-linediagram is used for understanding load-shedding operations. It shows a graphicalpresentation of the network connection which is configured with PCM600.



GUID-DB7D3D12-AFF6-4E83-B274-2E062A863A4F V3 EN

Figure 11: Single-line diagram

3.3 Web HMI

The WHMI enables the user to access the IED via a web browser. The supportedweb browser version is Internet Explorer 7.0 or later.

WHMI is disabled by default. To enable the WHMI, select Mainmenu/Configuration/HMI/Web HMI/Operation via the LHMI.

WHMI offers several functions.

• Alarm indications and event lists• System supervision• Parameter settings• Measurement display• Disturbance records

The menu tree structure on the WHMI is almost identical to the one on the LHMI.



GUID-B8B68F5D-8FDA-4B80-8C55-8EFF7B49A66B V2 EN

Figure 12: Example view of the WHMI

The WHMI can be accessed locally and remotely.

• Locally by connecting the user's computer to the IED via the frontcommunication port.

• Remotely over LAN/WAN.

Thus, the WHMI can be used remotely to set the IED parameters and also otherRelion series IEDs from a central operation workplace in the substation or the plantnetwork.

3.3.1 Command buttonsCommand buttons can be used to edit parameters and control information via theWHMI.

Table 13: Command buttons

Name DescriptionEnabling parameter editing.

Disabling parameter editing.

Writing parameters to the IED.




Name DescriptionRefreshing parameter values.

Committing changes to IED's non-volatile flash memory.

Rejecting changes.

Triggering the disturbance recordermanually.

Saving the disturbance recording.

Freezing the values so thatupdates are not displayed.

Receiving continuous updates tothe monitoring view.

Deleting the disturbance record.

3.4 Authorization

The user categories are predefined for the LHMI and WHMI, each with differentrights.

The user categories are predefined for the LHMI with specific rights.

The IED users can be created, deleted and edited only with PCM600. One user canbelong to one or several user categories.

At delivery, the user has full access until users are created withPCM600. Logging on is not required for the LHMI.

Table 14: Predefined user categories

Username User rightsSystemOperator Control from LHMI, no bypass

ProtectionEngineer All settings

DesignEngineer Application configuration

UserAdministrator User and password administration

For more information, see PCM600 documentation.



3.5 Communication

The IED supports IEC 61850-8-1 standard for communication. This includesMMS communication profile for vertical communication and GOOSEcommunication profile for horizontal communication.

All operational information and controls are available through these profiles. TheIED operator functionality is achieved through the MMS communication profile orthrough the WHMI client surface.

The IED exchanges load shedding operational signals using the GOOSE profilefrom feeder IEDs (RET/REF/REM 630s and 615s and REG670). The IED receivesbinary and analog signals from feeder IEDs for load shedding input data processing.

• The data transfer from a generator or transformer IEDs (REG670,RET630/615) to the IED includes circuit breaker status, trip or critical alarms,power and current (for transformer feeder IEDs).

• The data transfer from the load feeder IEDs (REF, RET, REM630/615) to theIED includes circuit breaker status and power.

The load shed information (binary signals) is sent to the load feeder IEDs usingGOOSE communication profile. The IED can also interoperate with other IEC61850 compliant IEDs including RE_630, RE_615 and RE_670 and reports eventsto five different IEC 61850 clients (HMI/Gateways and so on) simultaneouslyusing the MMS communication profile.

All communication connectors, except for the front port connector are placed onintegrated communication modules.

The IED supports SNTP and IRIG-B time synchronization methods with a time-stamping resolution of 1 ms.

Ethernet based:

• SNTP (Simple Network Time Protocol)

With special time synchronization wiring:

• IRIG-B

3.6 PCM600 tool

Protection and Control IED Manager PCM600 offers all the necessary functionalityto work throughout all stages of the IED life cycle.



• Planning• Engineering• Commissioning• Operation• Functional analysis

With the individual tool components, the user can perform different tasks andfunctions and control the whole substation. PCM600 can operate with manydifferent topologies, depending on the customer needs.

For more information, refer to PCM600 documentation.

3.6.1 Connectivity packagesConnectivity package is a collection of software and information related to aspecific protection and control terminal. It provides system products and tools toconnect and interact with the IED. Connectivity packages are used to createconfiguration structures in PCM600. The latest PCM600 and connectivity packagesare backward compatible with older IED versions.

Update Manager is a tool that helps in defining the right connectivity packageversions for different system products and tools. Update Manager is included inproducts supporting the connectivity concept.

In addition to other products supporting the connectivity concept, the connectivitypackages for PCM600 contain a description of IED's internal parameters and theirproperties (for example, data format, unit, setting range, visibility and accessrights) and software components that adapt the IED-specific interfaces to thestandard interfaces of system products and tools, for example, IED-specificdispatchers for tools.

3.6.2 PCM600 and IED connectivity package version• Protection and Control IED Manager PCM600 Ver.2.3 or later• ABB IED Connectivity Package PML630 Ver.1.1

Download connectivity packages from the ABB web site http://www.abb.com/substationautomation





Section 4 Using the HMI

4.1 Using the local HMI

At delivery, logging on is not required and the user has full access until users andpasswords are created with PCM600 and written into the IED.

Commands, changing parameter values and resetting indications, for example, areactions requiring password when the password protection is activated. Readinginformation on the LHMI is always allowed without password.

Do not switch off the auxiliary power supply to the IED beforechanges, for example, setting parameter or local/remote controlstate changes are saved.

A mechanism for limiting the number of writings per time period is included in theIED to prevent the flash memory from wearing out due to too many writingscaused by the application configuration. As a consequence, saving applicationfunction states may take up to an hour. If the auxiliary power is interrupted beforethe states are saved, that change is lost. Settings and configuration parameters aresaved without delay.

4.1.1 Logging on

1. Press to activate the logon procedure.The logon is also activated when attempting a password-protected operation.

2. Select the user name from the list.

GUID-95803B3F-E963-4312-9E1F-0642B9A6ABD5 V1 EN

Figure 13: Selecting the user name

3. Enter the password when prompted digit by digit and select OK.

• Activate the digit to be entered with and .• Enter the character with and .

Upper and lower case letters are also found by scrolling with the vertical arrows.

1MRS757183 A Section 4Using the HMI


GUID-A6C9646B-1409-4EDE-8BEC-CD2E7E948A87 V2 EN

Figure 14: Entering the password

Passwords are case sensitive.

4. Press to confirm the logon or to cancel the procedure.If the logon fails, a message is displayed on the display.

GUID-DF0BA02F-FE04-4B23-A7EB-F05E806578A5 V2 EN

Figure 15: Error message indicating an incorrect password

The logon dialog will open if the attempted operation requiresanother level of user rights.

Once a user is created and written into the IED, logon is possiblewith the password assigned in the tool. If there is no user created,an attempt to log on causes the display to show a correspondingmessage.

GUID-A2426EB4-59F6-4EB2-A7D7-37D7F49341B7 V1 EN

Figure 16: No user defined

4.1.2 Logging offThe user is automatically logged off after the display timeout. The IED returns to astate where only reading is enabled. Manual logoff is also possible.

1. Press .2. To confirm logoff, select Yes and press .

Section 4 1MRS757183 AUsing the HMI


A071188 V2 EN

Figure 17: Logging off

• To cancel logoff, press .

4.1.3 Turning the display backlight onThe display backlight is normally off. It turns on at power up.

• To turn on the backlight manually, press any LHMI push button.The backlight turns on and the panel is ready for further operations.

If the panel has not been used for a predefined timeout period, the backlight isswitched off. The user is logged out from the current user level after the displaybacklight has turned off. The factory default for display timeout is 60 minutes.

The display returns to the default view and all unconfirmed operations, for exampleparameter editing and breaker selection are cancelled.

Change the backlight timeout period in Main menu/Configuration/HMI/LHMI/DisplayTimeout.

4.1.4 Identifying the deviceThe IED information includes detailed information about the device, such asrevision and serial number.

1. Select Main menu/Information/Product identifiers.2. Select a submenu with and .



GUID-91C3D7F8-EF80-4120-B390-12BDC7FF4816 V2 EN

Figure 18: Selecting a submenu

3. Enter the submenu with .4. Browse the information with and .

GUID-BAB9D80C-1995-4E81-9AC7-84F63EF72515 V3 EN

Figure 19: IED information

4.1.5 Adjusting the display contrastAdjust the display contrast anywhere in the menu structure to obtain optimalreadability.

• To increase the contrast, press simultaneously and .• To decrease the contrast, press simultaneously and .



The selected contrast value is stored in the non-volatile memory if the user islogged in and authorized to control the IED. After an auxiliary power failure, thecontrast is restored.

4.1.6 Changing the local HMI language

1. Select Main menu/Language and press .2. Change the language using or .3. Press to confirm the selection.4. Commit the changes.

Only English language is supported.

GUID-BE3A4031-AACE-4DAC-8A6B-0C96BAA1EFBC V2 EN

Figure 20: Changing the LHMI language

4.1.7 Navigating in the menuNavigate the menus and change the display views on the screen with the keypad.

• To move to the Main menu or default view, press .• To move up or down in a menu, press or .• To move downwards in the menu tree, press .• To move upwards in the menu tree, press .• To enter setting mode, press .• To leave setting mode without saving, press .



4.1.7.1 Menu structure

The Main menu contains main groups which are divided further into more detailedsubmenus.

• Control• Load shed commands• Events• Settings• Configuration• Monitoring• Test• Information• Clear• Language

4.1.7.2 Scrolling the display

If a menu contains more rows than the display can show at a time, a scroll bar isdisplayed on the right.

GUID-D4DBFD47-3721-4B96-826A-1C09BAB9D18E V2 EN

Figure 21: Scroll bar on the right

• To scroll the view upwards, press .• To scroll the view downwards, press .• To jump from the last row to the first row, press again.

• Press to jump from the first row to the last row.



4.1.7.3 Changing the default view

The default view of the display is Main menu unless set otherwise.

1. Select Main menu/Configuration/HMI/LHMI/DefaultScreen and press .2. Change the default view with or .3. Press to confirm the selection.

4.1.8 Using function buttonsThe function buttons can be configured either as menu shortcuts or control buttons.The buttons are functional only when the function button panel is visible.

1. Press any function button to open the function button panel.On the first press of a button, the panel opens but no other action is taken.

GUID-ED0CC912-ED59-4270-A3B8-9818FFE300FD V3 EN

Figure 22: Function button panel

2. Press the wanted function button.• Press the wanted function button to jump to a certain menu item.

The menu opens immediately upon pressing the button.

• Press the wanted function button for at least 0.5 s to initiate a controlsignal. The action is taken once.To repeat the action, press the button again. If the button is pressed lessthat 0.5 s, no action is taken.

3. Press to close the function button panel.The panel is also closed after pressing a function button configured for amenu shortcut.

The function buttons are configured with PCM600.




4.1.9 Using the single-line diagramThe single-line diagram is created with PCM600.

1. Select Main menu/Control/Single line diagram.The single-line diagram view is displayed.

GUID-DB7D3D12-AFF6-4E83-B274-2E062A863A4F V3 EN

Figure 23: Example of a single-line diagram

2. To move between the single-line diagram pages, press or .This is required when the single-line diagram does not fit into a single displaypage and hence configured in multiple pages.

Select the single-line diagram for the default view in Main menu/Configuration/HMI/LHMI/DefaultScreen.

4.1.10 Browsing setting values

1. Select Main menu/Settings/Settings and press .2. Press and then to activate the setting group number selection.



A080004 V2 EN

Figure 24: Selecting the setting group number

3. Press to confirm the setting group selection and to return to the Editsetting group dialog.

4. Press to select Yes and to view the setting group values.

• Press or to select No and to exit.

A071198 V2 EN

Figure 25: Selecting a setting group

5. To browse the settings, scroll the list with and and to select a settingpress . To move back to the list, press .

GUID-85721410-C986-470C-81C1-6E4843B7EA6A V2 EN

Figure 26: Setting alternatives in the selected setting group

The content of the list depends on the pre-configuration or on the functionsconfigured with PCM600.

PML630 supports only one setting group.



4.1.11 Editing values• To edit values, log in with the appropriate user rights.

4.1.11.1 Editing numerical values

1. Select Main menu/Settings and then a setting.The last digit of the value is active.• When the symbol in front of the value is ↑, the active value can only be

increased.• When the symbol is ↓, the active value can only be decreased.• When the symbol in front of the value is ↕, the active value can either

be increased or decreased.

GUID-8F498131-EC1A-4349-A9D2-B8DC80D3C890 V3 EN

Figure 27: Last digit is active and it can be increased or decreased



GUID-20744752-963D-4B8E-A7AD-D41A130CC762 V1 EN

Figure 28: Last digit is active and it can be increased or decreased

2. Press to increase or to decrease the value of an active digit.One press increases or decreases the value by a certain step. For integervalues, the change is 1, 10, 100 or 1000 (...) depending on the active digit. Fordecimal values, the change can be fractions 0.1, 0.01, 0.001 (...) depending onthe active digit.

For parameters with defined steps, digits smaller than the stepvalue cannot be edited.

3. Press or to move the cursor to another digit.4. To select the minimum or maximum value, select the arrow symbol in front

of the value.• To set the value to the maximum, press .• To set the value to the minimum, press .

After pressing , the previous value can be restored by pressing once,and vice versa. Another press of or sets the value to the lower orhigher limit. The symbol in front of the value is ↕, when the previous value isshown.



GUID-8F498131-EC1A-4349-A9D2-B8DC80D3C890 V3 EN

Figure 29: Restoring the previous value

4.1.11.2 Editing enumerated values

1. Activate the setting mode and select a setting.When editing an enumerated value, the selected value is shown inverted.

2. Press or to change the value of an active enumerated value.One press changes the enumerated value by one step in the parameter specificorder.

GUID-FEB6D715-0CD7-426F-988E-88F842F7B66B V1 EN

Figure 30: Editing enumerated values



4.1.12 Saving settingsEditable values are stored in the non-volatile flash memory. Most of the parameterchanges take effect immediately after storing, but some parameter changes requireapplication restart. Values stored in the flash memory remain in effect after rebootas well.

1. Press to confirm any changes.2. Press to move upwards in the menu tree or to enter the Main Menu.3. To save the changes in non-volatile memory, select Yes and press .

A071206 V2 EN

Figure 31: Confirming settings

• To exit without saving changes, select No and press .• To cancel saving settings, select Cancel and press .

Pressing Cancel in the Save changes dialog closes only the Savechanges dialog box, but the IED remains in editing mode. All thechanges applied to any setting are not lost and the user can continueto change settings. To leave the change setting mode, select No orYes in the Save changes dialog.

After changing the parameters marked with !, the IED restartsautomatically for the changes to take effect.

4.1.13 Clearing and acknowledgingThe Clear button is used to reset, acknowledge or clear all messages andindications, including LEDs and latched outputs as well as registers and recordings.Press the Clear button to activate a selection menu, and select the wanted clearanceor reset function. Events and alarms assigned to alarm LEDs are cleared with theClear button.

1. Press to activate the Clear view.



GUID-0ABBD5A6-2A37-43E7-A048-FDEE3989CBA2 V1 EN

Figure 32: Clear view

The content of the Clear menu depends on the pre-configuration or on thefunctions configured with PCM600.

2. Select the item to be cleared with or .3. Press , select OK to confirm the selection or Cancel to cancel the

selection, and press .4. Repeat steps 2 and 3 to clear other items.

4.1.14 Using the local HMI help

1. Press to open the help view.2. Scroll the text with or if the help text exceeds the display area.3. To close the help, press .

4.1.15 Accessing IED settings using LHMI

Only the parameters under the basic level in PCM600 are availablevia LHMI..

1. Select Main menu/Settings and Press .



GUID-85F4AAA8-36EC-4579-A037-75A4DE031774 V1 EN

Figure 33: Main menu

2. Press and then to activate the setting group number selection.

2.1. Press to confirm the setting group selection and to return to theEdit setting group dialog.

2.2. Press to select Yes and to view the setting group values.2.3. To browse the settings, scroll the list with and and to select a

setting press . To move back to the list, press .

GUID-41D12C72-A514-4179-AD18-F2E3C27BE823 V1 EN

Figure 34: Settings menu

Power Management Menu appears.



GUID-DDE4FA5E-2739-4675-BBD0-EC1B5C6A0049 V1 EN

Figure 35: Power Management menu

3. Press to browse the Power Management settings.

GUID-7839DE4F-66F0-4FC0-BC23-6390E0C7F96A V1 EN

Figure 36: Power Management settings

The menu lists the settings related to:• LDMMXU (1 to 6 instances for 6 load busbars)• LSCACLS (1 instance for load shed core)• NCBDCSWI (1 to 15 instances for 15 network circuit breakers)• PWSMMXU (1 instance for network power source)

For details of setting parameters, refer technical manualPower management functions section.

4. Press to browse the detailed settings of the individual entity.



LDMMXU : Load busbar settings• Manual inhibition of the sheddable loads : Inh SL1 to Inh SL10 (Active/

Inactive)

GUID-CF9E0D52-AFAC-49AD-8849-15DA0A9F0C2E V1 EN

Figure 37: Load busbar settings

LSCACLS : Core function settings• Operation : On/Off• Global load shed : Disable LS SubNetw (Yes/No)• Individual subnetwork load shed : Enable LS SubNetw1 to Enable LS

SubNetw4 (Yes/No)• Manual load shed priority : SubNetw1 Man Prio to SubNetw4 Man Prio

(1 to 19)

GUID-AF6B6700-7E4F-4CE2-B29A-D0E978E2C910 V1 EN

Figure 38: Load shed core settings



NCBDCSWI : Network circuit breakers, bus coupler and tie breakers settings

All parameters under this category are advanced and hencenot accessible from LHMI.

GUID-52CD58A8-F7D3-4AB0-BC92-FD37A253EE38 V1 EN

Figure 39: Network circuit breakers bus coupler and tie breakers settings

PWSMMXU : Power sources, generator or grid transformers settings

GUID-53097343-E6C4-44AF-9662-8C2457E4CFF0 V1 EN

Figure 40: Power sources, generator or grid transformers settings

Grid transformer• Enable maximum demand load shed for grid transformer 1: En Max

Demsh Grd1 (Yes/No)• Enable Overload load-shed for grid transformer 1 : Ov loadsh En Grd1

(Yes/No)



GUID-E24617E0-E4B5-453A-92B3-DBE3FC774E43 V1 EN

Figure 41: Grid transformer

GeneratorGovernor mode of the generator : Gov mode Gen1(Droop/MW/ISO/P-Control/Optimize/Base load/Peak load/Spare)

GUID-91F89291-DAD6-4975-945F-FB28B102B6A6 V1 EN

Figure 42: Generator

4.1.16 Clearing menu

1. Select Main menu/clear.



GUID-039BC469-417C-42A7-8FCE-5BC0D6E33B49 V1 EN

Figure 43: Clear menu

2. Press to activate the Clear view.

GUID-982DD630-8960-46DC-808A-79FF5C05A9F4 V1 EN

Figure 44: Clear load shed

• Clear disturbances : to erase disturbance records captured by the IED• Clear internal event list : to erase internal events captured by the IED• Clear LEDs : clear all the LEDs signals by the IED• Clear load shed : clear the load shedding• Clear process event list : to erase event list captured by the IED

2.1. Select the item to be cleared with or .2.2. Press in the Clear Load Shed menu.



GUID-2B5AAEA6-8DF3-452D-891C-64938F0B34AE V1 EN

Figure 45: Clear Load Shed Menu

2.3. Press for fast load shed clear from LSCACLS.

GUID-6832157F-CAB3-4256-86A2-94FE690782F6 V1 EN

Figure 46: Fast load shed clear

2.4. Press , select OK to confirm the selection or Cancel to cancel theselection, and press .



GUID-F2678D77-4641-4B89-BFFE-2DA57B2918B3 V1 EN

Figure 47: Fast load shed clear from LSCACLS

Table 15: Fast load shed clear from LSCACLS

Command DescriptionReset Load Shed Reset all load shed triggers

Reset Subnetwork1 Reset subnetwork1




Reset FLS Counter Reset fast load shed trigger counter to zero

2.5. Press for slow load shed clear from PWSMMXU.

GUID-C8A7B495-807F-4CD1-95CC-4ECB19454456 V1 EN

Figure 48: Slow load shed clear



Table 16: Slow load shed clear from PWSMMXU

Command DescriptionReset SlowLoad Grid1 Reset slow load trigger of grid transformer

1

Reset SlowLoad Grid2 Reset slow load trigger of grid transformer2

4.1.17 Executing the manual load shed command from LHMI

1. Select Main menu/Manual Load Shed Command.

GUID-1B6A6D47-3B4B-4D0A-B1DE-2245999683C6 V1 EN

Figure 49: Manual load shed command

2. Press for the execution.Manual load shed command can be executed for any of the four subnetworks.



GUID-B61D71BD-E61F-466A-93AF-C0A14F7194A7 V1 EN

Figure 50: Manual shed subnetwork

3. Press to clear or to cancel the manual load shed command.

GUID-587B9E5D-17AD-43F5-AE23-5FC09F0D5DAA V1 EN

Figure 51: Manual load shed Confirmity

Table 17: Manual load shed commands

Command DescriptionManual Shed Subnetwork 1 Manual load shed command for subnetwork 1

Manual Shed Subnetwork 2 Manual load shed command for subnetwork 2





Manual load shed picks up the priority from the parameter set(from PCM600/PST) and activates load shedding.

4.2 Using the Web HMI

WHMI is disabled by default.

1. To enable the WHMI, select Main menu/Configuration/HMI/Web HMI/Operation via the LHMI.

2. To open the WHMI, write the IED IP address to the address bar of thebrowser.

4.2.1 Logging inIf no users have been created with PCM600, both the default user ID and passwordis SuperUser.

1. Enter the username.2. Enter the password.3. Click OK.

A071238 V3 EN

Figure 52: Entering username and password to use the WHMI

4.2.2 Logging outThe user is logged out after a session time-out.



GUID-92A74F55-B656-4042-AC7B-3400E534C0A6 V1 EN

Figure 53: Session time-out

• To log out manually, click Logout on the menu bar.



GUID-B3F85C31-882B-44FF-9A7F-EAFA489D9853 V1 EN

Figure 54: WHMI logout

4.2.3 Identifying the deviceThe IED information includes detailed information about the device, for example,revision and serial number.

1. Click Information in the WHMI menu structure.2. Click a submenu to see the data.

GUID-5FF3DFEB-44DC-4054-AD15-104BED019451 V2 EN

Figure 55: Device information



4.2.4 Navigating in the menuThe menu tree structure on the WHMI is almost identical to the one on the LHMI.Use the menu bar to access different views.

GUID-A6F6440F-99A4-4586-8173-B7EAE11ECCA3 V2 EN

Figure 56: Navigating in the WHMI menus

4.2.4.1 Menu structure

The Main menu contains main groups which are divided further into more detailedsubmenus.

• Events• Disturbance records• Settings• Configuration• Monitoring• Test• Information• Clear• Language

4.2.5 Setting parameters in Web HMI

It is recommended that advanced parameters are done by theProtection and Control engineer using the Parameter Setting tool.The Web HMI and the LHMI setting capability can be assigned tothe Operator level. The PCM600 is not an operational tool andhence WHMI or LHMI have to be used to set essential parametersduring normal IED operation.



LDMMXU (Load busbar settings)Settings related to power unit or priority or load shedding inhibition of theindividual loads can be changed from Web HMI.

GUID-8F9FD0ED-E989-4774-9728-B6FEBAE15E60 V1 EN

Figure 57: LDMMXU Parameter Setting

LSCACLS (Contingency based load shedding)LSCACLS is the core load-shedding function and can be used from Web HMI for

• Enable or Disable load shedding of the individual subnetwork.• Enable or Disable load shedding of all subnetworks together.• On or Off load shed operation.

GUID-0AE0D419-0BC2-4D1A-AAE3-CB983B3528D7 V1 EN

Figure 58: LSCACLS Parameter Setting

PWSMMXU (Network power source)Setting of the power sources, generator or grid is possible.



GUID-AFC73062-A087-4680-A02B-D12B02A9AFE2 V1 EN

Figure 59: Generator web page

GUID-3FA0541F-C6DC-4BEB-8666-B9DE41FCE394 V1 EN

Figure 60: Grid transformer

NCBDCSWI (Network circuit breaker)Network breaker settings



GUID-69644FC2-9E3E-496E-A6CA-A8EFCDAC4574 V1 EN

Figure 61: Network Breaker Settings

For details of setting parameters, refer to technical manual powermanagement functions section.



Time synchronization settings

GUID-D61078D2-90D6-4C71-8DF2-2F50F8ED1B4B V1 EN

Figure 62: Time synchronization settings



GUID-F954257F-542C-4B9D-8FEA-F70CEDDADE70 V1 EN

Figure 63: Time synchronization settings

4.2.6 Editing values

1. Click the menu in the WHMI tree.2. Click the submenu to see function blocks.3. Click a function block to see the setting values.4. Click Enable Write.

Some parameters, for example, the IED test mode, cannot beset via the WHMI.



GUID-D8F2CDD4-4533-446E-A5F3-5FC6DC37DEB5 V2 EN

Figure 64: Enable writing to edit a value

The selected setting group is shown in the Setting Group drop-down list. Theactive setting group is indicated with an asterisk *.

5. Edit the value.• The minimum, maximum and step values for a parameter are shown in

the Min., Max. and Step columns.• Setting group values are indicated with .

GUID-3B135B46-6799-4FBF-840F-A1EB4EE1E115 V2 EN

Figure 65: Editing a value

• If the entered value is within the accepted value range, the selection ishighlighted in green. If the value is out of range, the row is highlightedin red and a warning dialog box is displayed.



A071248 V2 EN

Figure 66: Warning indicating that the entered value is incorrect

• If writing values fails, a warning dialog box is displayed.

GUID-0FBEF9BB-2374-4E5A-B4F6-210FBC302E62 V1 EN

Figure 67: Warning indicating that the values were not written tothe IED

If writing is enabled accidentally, click Disable Write. DisableWrite cannot be selected, when a value has already been written tothe IED. After clicking Write to IED, click either Commit orReject.

4.2.7 Committing settingsEditable values are stored in the non-volatile flash memory. Values stored in theflash memory are in effect also after reboot.

1. Edit setting values.2. Click Write to IED.

The values are written into the IED, but not taken into use.



GUID-028255BC-B98F-43A2-83C2-292AD34078BC V1 EN

Figure 68: Writing values to the IED

3. Commit or reject new values.• Click Commit to save the values.

The new values are saved in the non-volatile memory and taken into use.• Click Reject to cancel saving the settings.

GUID-F7AE7810-B7C5-4DF3-86E5-9B15539AFCE4 V2 EN

Figure 69: Committing changes

Committing values takes a few seconds.

If the values are not committed, they are not taken into use and theyare lost after a reboot.



During system operation, if settings are changed in the IED, theentire set of changed parameters need to be read into PCM600. Thisis to maintain a backup of the last changed parameters in the IED.Failing to do so or inadvertent changing of parameters fromPCM600 could result in loss of changes done from the Web HMI.

4.2.8 Settings in WHMIWeb HMI can be utilized for monitoring and setting read or write operations of thePML630 load management IED.

• PML630 is accessed using the internet browser or the web browser.• In the address bar enter the IP address of the PML630 IED.• Authentication related to user name and password is necessary to access the IED.

Subtree of PML630 appears.



GUID-22A39394-3CF5-4A81-A2B6-432E95B936D4 V1 EN

Figure 70: Subtree

The main options shown on the web browser which appears as folders are:

• Manual load shed command execution• Disturbance records• Settings• Configuration• Monitoring

Detailed monitoring or settings of the individual parameters appears under thesefolders.



4.2.8.1 Monitoring the device status on PML630 IED

It provides information on the software and hardware versions of PML630 IED andthe three LED Indications shows the status of the IED.

GUID-7F2A141E-31CB-4BF7-96F3-E8CF99AB01F7 V1 EN

Figure 71: Device status

4.2.8.2 Clear menu

• Clear LEDs• Clear disturbance• Clear process events• Clear fast (LSCACLS) load shed and slow (PWSMMXU) load shed options

are provided in Web HMI



GUID-129131B9-7DD6-4F46-99E2-70381D21CF68 V1 EN

Figure 72: Clear menu

4.2.8.3 Manual load shed command execution

1. Select Manual Load Shed Command.2. Select the subnetwork to be shed.

For example, Manual Shed Subnetwork 1.3. Select True from the drop-down list and click Write to IED.



GUID-813A545F-0CE7-4EEA-BE22-97A43F996597 V1 EN

Figure 73: Manual load shed command

4.2.9 Selecting the event viewThe event view contains a list of events produced by the application configuration.The default view shows the latest events. The event list is updated if the eventcount changes while the user is viewing the latest events. If the user is viewingolder events while the event count changes, only the drop-down list is updated.

1. Click Events on the menu bar.Each event view page shows 100 events.



GUID-A65967F4-767D-4C0E-AE02-877CAC290F2D V1 EN

Figure 74: Monitoring events

2. To view older events, select the event range from the drop-down menu on thetoolbar.

4.3 COM600 operational aspects for load shedding

1. Click Login after entering the Username and Password in the COM600login screen.

GUID-301F879B-5A37-42D5-AF58-B79D0848E302 V1 EN

Figure 75: COM600 Login screen

Once the user successfully logs into the COM600 using valid credentials(username and password), the screen below appears, showing the substationstructure and the product version information.



GUID-E93C0BBA-90C9-4FD9-8A4D-CA2A6E6FDD2B V1 EN

Figure 76: Substation structure

2. Click the appropriate IED object corresponding to PML630.For example, AA1J1PMLA1, the list of subnetworks which is automaticallyconfigured using the PCM600 and connectivity package appears.

For more information see Engineering manual.



GUID-38463B24-5777-4D10-B133-76E34F451452 V1 EN

Figure 77: Substation structure

3. Click one of the subnetwork displays, the load shedding data for thatsubnetwork is presented on the right side of the screen.The following example is for Subnetwork1, wherein all busbars (refer tosubnetwork configuration section of display) are connected to form a singlesubnetwork. All other displays including Subnetwork2, Subnetwork3 andSubnetwork4 do not have any information content.



1

2 3

4

5

GUID-AE1017AC-846B-4BD4-8056-15F8E5ACD1C4 V1 EN

Figure 78: Subnetwork load shed information

1 Accumulated load table

2 Subnetwork power data

3 Load inhibition

4 Key SLD

5 Load shedding action data/status

On operation of a circuit breaker associated with a power source, fast load-shedding module gets initiated and results in load shedding due to a shortageof power in subnetwork1.



GUID-A1E9F1A6-66A9-473E-8BB1-83DFC94C0000 V1 EN

Figure 79: Power shortage

4. Click Control Panel to open the Fast Load Shedding Control dialog boxwhich gives the status of the load shedding action.

GUID-1101568E-1281-49AE-86DA-5A674D1E4D5F V1 EN

Figure 80: Load shed status

5. Click the Reset subnetwork button, another dialog box opens up.• Click Ok to reset load shedding. Reset of fast load shedding is done to

disable the commands after the load shed action.



All alarms and events can be checked in the Alarms andEvents page, after required event treatmentconfiguration in SAB600.

• Click Manual loadshed, manual load shedding is done from the FastLoad Shedding Control dialog box.

GUID-83EF7CC3-C895-41C9-82D7-B868FAAB9568 V1 EN

Figure 81: Manual load shed

6. Click the button adjacent to the grid transformers, the slow load sheddingdialog box is accessed from the substation SLD display.



GUID-3731FF43-5073-4E0A-845A-45462A5AFA34 V1 EN

Figure 82: Slow load shedding control

The Slow Load Shedding Control dialog box provides the information about,• Overload load shed related IDMT data like maximum current I (max),

IDMT Time and the Elapsed time.• Maximum demand parameters like maximum power Max Power and

Maximum Demand Interval, as set from PST (and read over IEC61850 MMS).

7. Click the Single Line Diagram link to open the substation SLD display.

The SLD shown below is representational only and the mainpurpose is to explain the PML630 specific information in thegeneral SLD display.



GUID-151ED12E-31EC-4801-A902-44D720F61D1B V1 EN

Figure 83: Substation SLD display



Section 5 IED operation

5.1 Normal operation

In a normal IED use situation, the basic operation includes monitoring andchecking procedures.

• Checking object states• Checking function setting parameters• Checking events and alarms

All basic operations can be performed via the LHMI or with PCM600.


5.2 IED parametrization

IED parameters are set via the LHMI or PCM600.

Setting parameters need to be calculated according to the electrical networkoperating conditions and configuration. The IED's settings need to be verifiedbefore the IED is connected to a system.

Document all changes to parameter settings.


5.2.1 IED settings for IED functionalityFunction settings can be edited one by one by navigating to the individual settingvalues, for example via the LHMI.

1MRS757183 A Section 5IED operation


Section 6 Operating procedures

6.1 Monitoring

6.1.1 IndicationsThe operation of the IED can be monitored via three different indications on theLHMI.

• Three indicator LEDs with fixed functionality: Ready, Start and Trip• 15 programmable three-color alarm LEDs which can present 45 virtual LED

states• For each On state LED color and for the LED Off state, texts can be

programmed with PCM600, via WHMI and via LHMI. These texts aredisplayed on the LHMI.

• An auto-indicating message on the display.

6.1.1.1 Monitoring alarm data

Active alarms are indicated by the alarm LEDs and the LED in the Multipagebutton. The alarms are configured with PCM600. The alarm type and informationdepend on the application configuration.

1. Press to open the alarm view.2. Press or to move between active alarms in the page, or press to

switch between the three alarm pages.3. Press to open a dialog box that shows more detailed information about the

selected alarm.

1MRS757183 A Section 6Operating procedures


GUID-8E4D4643-7322-40EF-975C-EB2CF8D76256 V1 EN

Figure 84: Alarm details

Press or to close the dialog box.4. Press to close the alarm view.5. Press to activate the Clear view and to clear alarms.

6.1.1.2 Monitoring an internal IED fault

The flashing green LED indicates an internal IED fault. The fault messages arefound in the LHMI menu.

1. Select Main menu/Monitoring/Internal events or IED status to monitor thelatest fault indication.

2. Press or to scroll the view.

Section 6 1MRS757183 AOperating procedures


GUID-A217B75F-4252-4778-A7C4-644C64A0DBB0 V2 EN

Figure 85: Fault indication

The internal event list is not updated dynamically. To update thelist, leave the Internal events menu and then select it again.

6.1.1.3 Monitoring condition monitoring data

1. Select Main menu/Monitoring/I/O status/Monitoring.2. Press or to scroll the view.

With PCM600 the user can map output signals from condition monitoring relatedfunction blocks to the appropriate destinations.

6.1.1.4 Monitoring the IED using the local HMI

1. Select Main menu/Monitoring and Press .



GUID-D9C38181-7821-445B-907E-757FE77B2900 V1 EN

Figure 86: Main menu

2. Press to browse the I/O status.

GUID-3ACAEB6A-4587-4E7F-83B4-6344C6ADE47D V1 EN

Figure 87: I/O status menu

3. Press to browse the Power Management menu.



GUID-C2968951-8F18-443D-A29B-4448732BF466 V1 EN


Binary input and output modules menu are not used for the load-shedding application in PML630.

GUID-7C055A32-595B-40CA-B5D6-B96D963F6B3E V1 EN


The menu lists the monitoring of inputs and outputs of the function blocks:• LDMMXU (Load busbar monitoring )• LSPTRC (Load shed command status for individual loads)• LSCACLS (Core function LSCACLS monitoring)



• NCBDCSWI (Network circuit breaker monitoring)• PWSMMXU (Power source feeders monitoring)• SNWRCLS (Subnetwork status monitoring)

4. Press for navigating into monitoring of all the above functions from thePower Management menu.4.1. Press and to scroll the list.

LDMMXU Inputs

GUID-05DCCC6F-057E-48B0-B39E-C633AA2A489D V1 EN

Figure 90: LDMMXU Inputs

GUID-40E2A3D7-6607-4955-AAD9-FBBE0495D00A V1 EN



GUID-3E84D6D8-B0BC-4087-B541-2E0FC1878BD2 V1 EN

GUID-A0592CEA-487C-4F15-8689-70A563740BB1 V1 EN

Figure 91: LDMMXU Inputs

Table 18: LDMMXU Inputs

Signal Description Status/ValueCB_POS_SL1 toCB_POS_SL10

Network circuit breakers Close/Open/Intermediate/Invalid

IEDQVAL_SL1 toIEDQVAL_SL10

Quality of IED Good/Bad

TSTMODE_SL1 toTSTMODE_SL10

Test mode of IED Normal/Test

COM_IED_SL1 toCOM_IED_SL10

Communication of IED Good/Bad



LDMMXU Outputs

GUID-39D915FA-4A93-4DD2-9B56-7FC6B90160BC V1 EN

GUID-2F44EA55-A02D-4847-8058-4607D5DAFDD1 V1 EN



GUID-19D21578-B313-4F18-B01D-B4FEEEC55E31 V1 EN

Figure 92: LDMMXU Outputs

Table 19: LDMMXU Outputs

Signal Description Status/ValueP_SHED_L1 to P_SHED_L10(W/ KW/MW)

Active delay power ofsheddable loads

depends on setting Power unitSL1 to Power unit SL10

CB_STS_L1 to CB_STS_L10 Compensated status of circuitbreaker

Close / Open

INBT_STS_L1 toINBT_STS_L10

Inhibit status of sheddable load Not Inhibit/Operator Inhibit/System Inhibit

PRIO_L1_5 Combined shed priority forloads 1 to 5

PRIO_L5_10 Combined shed priority forloads 6 to 10

PRIO_SHD_L1 toPRIO_SHD_L10 (1 to 19)

Sheddable load priority

CBPOSIND_L1 to L10 Compensated circuit breakersignal indication position

Open/Close



LSPTRC Inputs

GUID-CB59BE1B-4FA9-4918-9A25-8393C84B2A84 V1 EN

Figure 93: LSPTRC Inputs

Table 20: LSPTRC Inputs

Signal DescriptionLBB_OPR_CMD All load busbar operate command

LSPTRC Outputs

GUID-E6B0336B-FF8A-44A5-B0D9-0E57FD5CB6A2 V1 EN

Figure 94: LSPTRC Outputs



Table 21: LSPTRC Outputs

Signal Description Status/ValueOPR_SL1 to OPR_Sl10 Operate command for the

sheddable loadsReset/Operate

LSCACLS Inputs

GUID-A469A328-E522-4753-A4CE-2C6E69F14F24 V1 EN

Figure 95: LSCACLS Inputs

Table 22: LSCACLS Inputs

Signal Description Status/ValueRESET Signal reset all the sheddable

load triggers

RESET_SN1 to RESET_SN4 Signal to reset individualsubnetwork

RESET_CNT Reset fast load shed triggercounter

EXT_LS_TRG External load shed trigger

MAN_SHD_SN1 toMAN_SHD_SN4

Manual load shed command forindividual subnetwork

BLOCK Block fast load shedding Active/Inactive



LSCACLS Outputs

GUID-35C1B93D-BC61-4A2C-B341-DF7C3F3E9170 V1 EN

GUID-7579FEDF-5C2C-4328-BD56-3374A846A1CA V1 EN

Figure 96: LSCACLS Outputs

Table 23: LSCACLS Outputs

Signal Description Status/valueLS_OPR Load shed operate due to fast

load shed or slow load shedOperate/Reset

FLS_OPR Load shed operate due to fastload shed

Operate/Reset

LS_START Load shed started Yes/No

FLS_START Fast load shed started Yes/No

OPR_BB1 to OPR_BB6 combined signal of all thesheddable load information ofrespective busbar




Signal Description Status/valueCB1_SN_No to CB15_SN_NO Subnetwork number of network

breakers

PS1_SN_NO to PS8_SN_NO Subnetwork number of powersources

BB1_SN_NO to BB6_SN_NO Subnetwork number of loadbusbars

LS_OPR_SN1 to LS_OPR_SN4 Load shed operate forindividual subnetworks

Operate/Reset

ACTIVE_SN1 to ACTIVE_SN4 Status of individual subnetworks Active/Inactive

NCBDCSWI Inputs

GUID-86147CA5-8EBF-4331-A7C6-5A80A34059A3 V1 EN

Figure 97: NCBDCSWI Inputs

Table 24: NCBDCSWI Inputs

Signal Description Status/ValueSND_CB_POW andRCV_CB_POW

Sending and receiving endnetwork breaker power

SND_CB_POS andRCV_CB_POS

Sending end receiving networkbreaker position

Close/Open/Intermediate/Invalid

SND_CB_SER andRCV_CB_SER

Sending and receiving endnetwork breaker service position

Test/Service

SND_CB_LO and RCV_CB_LO Sending and receiving endnetwork breaker lockout position

Normal/Lockout




Signal Description Status/ValueSND_IED_QVAL andRCV_IED_QVAL

Sending and receiving endquality of network breaker IED

Good/Bad

SND_IED_TEST andRCV_IED_TEST

Sending and receiving end testmode of network breaker IED

Normal/Test

SND_IED_COM andRCV_IED_COM

Sending and receiving endcommunication of networkbreaker IED

Good/Bad

NCBDCSWI Outputs

GUID-71DBAD37-FD7A-42A3-A70F-34B9D3848617 V1 EN

Figure 98: NCBDCSWI Outputs

Table 25: NCBDCSWI Outputs

Signal Description Status/ValueCB_POS_IND Network breaker position signal

indicationClose/Open

CRIT_CB_POW (W/KW/MW)(based on the setting send CBpow unit and Receive CB powunit)

Network breaker delay power

COMP_CB_POS Network breaker compensatedposition

Close/Open

CRIT_CB_DATA Network breaker data



PWSMMXU Inputs

GUID-3DE617D3-173A-488B-AAFD-A3DF7A400035 V1 EN

GUID-AF09EEA7-8D59-4E95-8F28-0C28A115D345 V1 EN



GUID-826F114B-35EA-4C8F-A8C0-367DF4D9F40A V1 EN

GUID-5A53CEF7-6859-46A7-A3BE-D6DFB48860DD V1 EN



GUID-F04E19B4-6D77-4074-95EE-9211C634F5B4 V1 EN

Figure 99: PWSMMXU Inputs

Table 26: PWSMMXU Inputs

Signal Description Status/ValueIL1_GRD1, IL2_GRD1,IL3_GRD1,IL1_GRD2,IL2_GRD2 and IL3_GRD2

RMS value of currents ofindividual phases of 2 grids

POW_GRD1, POW_GRD2 andPOW_GEN1 to POW_GEN6

Active power of individualsources

CB_POS_GRD1,CB_POS_GRD2 andCB_POS_GEN1 toCB_POS_GEN6

CB position of individual sources Close/Open/Intermediate/Invalid

CB_LO_GRD1,CB_LO_GRD2and CB_LO_GEN1 toCB_LO_GEN6

CB lockout position ofindividual sources

Normal/Test

COM_IED_GRD1,COM_IED_GRD2 and COM_IED_GEN1 toCOM_IED_GEN6

IED Communication ofindividual sources

Good/Bad

IEDQVAL_GRD1,IEDQVAL_GRD2 andIEDQVAL_GEN1 toIEDQVAL_GEN6

IED Quality of individual sources Good/Bad

CB_SER_GRD1,CB_SER_GRD2 and CB_SER_GEN1 toCB_SER_GEN6

Service position of individualsources

Test/Service

TSTMODE_GRD1,TSTMODE_GRD2 and TSTMODE_GEN1to TSTMODE_GEN6

Test mode of individual sources Normal/Test




Signal Description Status/ValueSL_BLOCK Slow load shed block of 2 grids Active/Inactive

SL_BLK_GRD1 andSL_BLK_GRD2

Slow load shed block individualgrids

Active/Inactive

RST_SL_GRD1 andRST_SL_GRD2

Reset slow load shed individualgrid

PWSMMXU Outputs

GUID-38483544-BD30-4A27-91F3-60139024B285 V1 EN

GUID-59E50821-062E-4D18-9CA8-5907DEB57B0F V1 EN



GUID-A4C88C97-684C-4270-BB53-3E39BDF99592 V1 EN

GUID-144AB22D-C4E5-4497-805B-AF1A5347CA8B V1 EN



GUID-A7ABCD28-185D-4B70-A6C8-6E12A1B5E395 V1 EN

Figure 100: PWSMMXU Outputs

Table 27: PWSMMXU Outputs

Signal Description Status/ValueACTPOW_GRD1,ACTPOW_GRD2 andACTPOW_GEN1 toACTPOW_GEN6 (W/KW/MW)(Based on setting Powerunit)Active delay power ofindividual sources

Active delay power of individualsources

CB_IND_GRD1,CB_IND_GRD2and CB_IND_GEN1 toCB_IND_GEN6

Position indication of CB ofindividual sources

Open/Close

IDMTEXP_GRD1 andIDMTEXP_GRD2

IDMT exponent of grids

ST_IMAX_GRD1 andST_IMAX_GRD2

Over load shed initiated for grids

MAX_DEM_GRD1 andMAX_DEM_GRD2

Maximum power demand ofgrids

POW_SLT_GRD1 andPOW_SLT_GRD2

Maximum power deliveredwhen slow load shed is initiated

PICKUP_GRD1 andPICKUP_GRD2

Pickup of grids

T_INT_GRD1 and T_INT_GRD2 Time interval for demand valueof grids

IDMT multiplier of grids T_MUL_GRD1 andT_MUL_GRD2

SLS_EN_GRD1 andSLS_EN_GRD2

Enable signal for slow loadshed trigger for grids

Yes/No

OLS_OPR_GRD1 andOLS_OPR_GRD2

Over load shed operated of grids Operate/Reset




Signal Description Status/ValueMAX_I_GRD1 andMAX_I_GRD2

Maximum current of grids

SLS_OP_GRD1 andSLS_OP_GRD2

Indication of slow load shedtrigger

SLOW_ST_GRD1 andSLOW_ST_GRD2

Slow load shedding start of grids

FLS_TRG The FLS trigger form all thesources

Active/Inactive

AVA_POW_GRD1,AVA_POW_GRD2 and AVA_POW_GEN1to AVA_POW_GEN6

Available power of individualsources

BLK_LOADBB1 toBLK_LOADBB4

Block for individual load busbar Active/Inactive

GOV_MOD_GEN1 toGOV_MOD_GEN6

Governor mode of Generators Droop/MW/ISO/ P-Control /Optimize / Base load /Peak load/Spare

DATA_PS All the boolean information ofall the sources

PS_LBB_NO Sources are connected towhich load busbar

SLS_BLK_GRD1 andSLS_BLK_GRD2

Slow load shed trigger blockedfor grids

Active/Inactive

CON_SLOW_STS Configuration of grids

ETIME_GRD1 andETIME_GRD2

Elapsed time of grids

ERRIDMT_GRD1 andERRIDMT_GRD2

Error signal of invalid operatingmode of IDMT

Yes/No

MD_OPR_GRD1 andMD_OPR_GRD2

Maximum demand operated ofgrids

Operate/Reset

EN_MAXD_GRD1 andEN_MAXD_GRD2

Maximum demand sheddingenabled

Yes/No



SNWRCLS Inputs

GUID-A3AE5B0F-D6F3-4CAD-B59F-0D425A81929E V1 EN

Figure 101: SNWRCLS Inputs

SNWRCLS Outputs

GUID-3B8D5B33-05A9-4892-8FB0-4D35AFC331CA V1 EN



GUID-B9C43581-4748-4DCC-A445-8A4C6C9C19E9 V1 EN

Figure 102: SNWRCLS Outputs

Table 28: SNWRCLS Outputs

Signal Description Status/ValueSN_FLS_BLK Fast load shed block Active/Inactive

SLOW_LS_BLK Slow load shed block Active/Inactive

LS_MOD_INFO Load shed enable Enable/Disable

LS_OPR_STS Load shed operator status (Not Operate/Fast LoadshedOperate/ Manual LoadshedOperate)

SN_SHED_PRIO (1 to 19) Subnetwork shed priority

SN_AVA_POW Total available power

SN_LOAD Total load in subnetwork

LOD_IMBAL Load imbalance

LOD_INBT_SYS Load inhibited by the system

LOD_INBT_OPR Load inhibited by the operator

LOD_MISMATCH Total load mismatch

SN_TOT_SL Total amount of sheddable load

CUM_LOD_PR1 toCUM_LOD_PR19

Cumulative load priority

DIF_MUSTACTU Difference between must beload shed and actual load shed

MUST_SHD Must be load shed

ACTU_SHD Actual load shed

All the function inputs, outputs and parameters are explainedbreifly in the Technical manual.



6.2 Controlling

The power management load shedding functionality can be controlled through theLHMI using the following controls

• Command to manually shed loads of a certain priority• Command to reset individual subnetwork• Command to reset all sub networks• Command to reset slow load shedding

When a load shed command is sent to the sheddable loads, the outputs are latched.These latched output signals can be reset through the operator command inputs.The commands can also be reset using WHMI feature.

6.3 Resetting the IED

6.3.1 Clearing and acknowledging via the local HMIUse the Clear button to reset, acknowledge or clear all messages and indications,including LEDs and latched outputs as well as registers and recordings. Pressingthe Clear button activates a view for selecting the reset function. Events and alarmsassigned to alarm LEDs can also be cleared with the Clear button.

1. Press to activate the Clear view.All the items that can be cleared are shown.

GUID-34290F91-75A3-4DB0-AD5D-0A657EEE098F V3 EN

Figure 103: Clear view



The content of the Clear menu depends on the pre-configuration or on thefunctions configured with PCM600.

2. Select the item to be cleared with or .3. Press , select OK to confirm the selection or Cancel to cancel the selection.4. To clear other items, repeat the steps.

6.4 Changing the IED functionality or behaviour

6.4.1 Setting the IED into test modeInitially the IED is in On mode.

GUID-1D9A97DA-3182-46A1-B398-65FCE5F6C3D0 V1 EN

Figure 104: IED test mode menu

1. Activate the load shed core (LSCACLS) and slow load shed functions byselecting the IED Test mode.



GUID-AC886E04-659F-4A5C-9E5A-C7F384085E25 V1 EN

Figure 105: Load shed functionality test modes

By default, when the IED is in operation mode (ON), load shed functions arenot blocked.

GUID-1581FB09-BD83-4872-9F72-5885939D897F V1 EN

Figure 106: Load shed core function mode



GUID-8C8B4F13-6D71-4BDE-BE75-48CFB1A4DB3F V1 EN

Figure 107: Slow load shed core function mode

2. Set the IED into Test mode from the local HMI.

GUID-C4239A54-7F36-43E0-8F18-A3F31EAD1D03 V1 EN

Figure 108: Test mode

The Test mode is reflected in the IEC 61850 LN0.Mode value as 3.Automatically, the entire load shed functions (fast load shed, slow load shedand manual load shed) are set to Blocked mode.



GUID-51FB1412-F248-4C4C-9363-FFFC858263B9 V1 EN

Figure 109: Load shed core functionality blocked

GUID-48A53700-3922-4A5B-BE86-5C4F878325FC V1 EN

Figure 110: Slow load shed functionality blocked

The overall IEC 61850 LN0.Beh (reflecting IED behaviour and functionalitymode) is set to 4 by the IED’s IEC 61850 communication stack; that is, theIED is in (TEST+BLOCKED) mode. It also sets the IEC 61850 Qualityinformation’s (bit 11) for all data emanating (GOOSE/MMS) from the IED.This is verified at the SNWRCLS output for each subnetwork. TheSN_FLS_BLK output is in active state.



GUID-8604004A-AD6E-4F6E-BEC6-16DD2C77D215 V1 EN

Figure 111: Blocked status of load shed functionality

GUID-02AF1708-7AB6-485A-95E7-49A16C6EB6EC V1 EN

Figure 112: Blocked status of slow load shed functionality

3. Block the load shed functions from the LHMI to change the SN_FLS_BLKoutput and other block outputs to inactive state.

6.4.2 Browsing and editing setting group values

1. Select Main menu/Settings/Settings and press .Setting group 1 is the default setting group to be edited.



GUID-18FBF69F-7F45-4861-A3D4-86C7474DC6B9 V2 EN

Figure 113: Selecting a setting group for editing

2. Press on the Setting group line in the dialog box to activateselection mode.

3. Select the wanted setting group with or and press .

GUID-EFA31026-0E80-47D4-BFCF-07662203C6BA V1 EN

Figure 114: Changing the setting group

4. Select Yes in the dialog, and press to continue.The current setting group is displayed on the left in the header.

5. Select the application function category in the list with or , and press to see the function blocks in that category.

Categories available in the list depend on the pre-configuration or on thefunctions configured with PCM600.



GUID-663D73E2-C177-4CCA-9B20-9942E0060DD8 V2 EN

Figure 115: Selecting the function category

6. To navigate to the FBs available under power management, press .

GUID-FFA113E8-6AFB-4918-884C-779E2D16518C V1 EN

Figure 116: Function block settings

7. To select a function block, press .



GUID-E09DE4D5-901A-4710-83E5-A1263C2345A8 V1 EN

Figure 117: Function block settings

8. To browse the function blocks, scroll the list with and .Function blocks available depend on the application configuration. To moveback to the list, press .

9. To select a function block, press .The # character on the right indicates that the parameter belongs to a settinggroup.

10. To edit the selected setting, press .

• In case of a parameter that is not part of a setting group, the parameter isactivated for editing.

• In case of a setting group parameter, the editing dialog shows the valueof the setting in all available setting groups, but the user can edit onlythe value in the selected setting group. The active setting group ismarked with an asterisk *.



GUID-46EACAA6-9781-413C-94D0-D6888DE96147 V1 EN

Figure 118: Changing the setting value

11. Press or to change the value.12. Confirm the change with .

6.4.3 Activating LEDsTo activate the LEDs, they must be configured with PCM600.

1. Select Main Menu/Configuration/Alarm LEDs and press .



GUID-42608BC0-A7E9-4DBA-8368-D864F0FB34D6 V2 EN

Figure 119: Alarm groups

2. Select an alarm group with or and press .3. Select an Alarm LED with or .4. Press to confirm the selection and to change the Alarm LED mode.5. Press or to change the value and to confirm the selection.




Section 7 Troubleshooting

7.1 Fault tracing

7.1.1 Identifying hardware errors

1. Check the module with an error.• Check the general IED status in Main menu/Monitoring/IED status

for a faulty hardware module.• Check the history of changes in internal event list in Main menu/

Monitoring/Internal events.2. Inspect the IED visually.

• Inspect the IED visually to find any physical error causes.• If you can find some obvious physical damage, contact ABB for repair

or replacement actions.3. Check whether the error is external or internal.

• Check that the error is not caused by external origins.• Remove the wiring from the IED and test the input and output operation

with an external test device.• If the problem remains, contact ABB for repair or replacement actions.

7.1.2 Identifying runtime errors

1. Check the error origin from IED's internal event list Main menu/Monitoring/Internal events.

2. Reboot the IED and recheck the supervision events to see if the fault hascleared.

3. In case of persistent faults, contact ABB for corrective actions.

7.1.3 Identifying communication errorsCommunication errors are normally communication interruptions orsynchronization message errors due to communication link breakdown.

• Check the IEC61850 communication status in internal event list in Mainmenu/Monitoring/Internal events.

• In case of persistent faults originating from IED's internal faults such ascomponent breakdown, contact ABB for repair or replacement actions.

1MRS757183 A Section 7Troubleshooting


7.1.3.1 Checking the communication link operation

There are several different communication links on the product. First check that allcommunication ports that are used for communication are turned on.

1. Check the front communication port RJ-45.1.1. Check that the uplink LED is lit with a steady green light.

The uplink LED is located on the LHMI above the RJ-45communication port on the left. The port is used for direct electricalcommunication to a PC connected via a crossed-over Ethernet cable.

1.2. Check the communication status of the front port via the LHMI in Mainmenu/Monitoring/Ethernet/Front port.Check that the LINKUP value is 1, that is, the communication isworking. When the value is 0, there is no communication link.

2. Check the communication status of the rear port X0 via the LHMI in Mainmenu/Monitoring/Ethernet/LAN1.The X0 communication port on the rear side of the IED is for electricalcommunication to a PC connected via a crossed-over Ethernet cable. Thiscommunication port is an alternative to the front communication port.• Check that the LINKUP value is 1, that is, the communication is

working. When the value is 0, there is no communication link.3. Check the communication status of the rear port X1 via the LHMI in Main

menu/Monitoring/Ethernet/LAN1.The X1 communication port on the rear side of the IED is for optical Ethernetvia LC connector or electrical via RJ-45 connector of the IEC 61850-8-1station bus communication.• Check that the LINKUP value is 1, that is, the communication is

working. When the value is 0, there is no communication link.

7.1.3.2 Checking the time synchronization

• Select Main menu/Monitoring/IED status and check the status of the timesynchronization on Time Synch.The Time synch value is Ready when the synchronization is in order. Note thatthe time synchronization source has to be activated. Otherwise the value isalways Ready.

7.1.4 Running the display testTo run the display test, either use the push buttons or start the test via the menu.

• Select Main menu/Test/LED test.• Press or simultaneously and .

Section 7 1MRS757183 ATroubleshooting


All the LEDs are tested by turning them on simultaneously. The display showsa set of patterns so that all the pixels are activated. After the test, the displayreturns to normal state.

7.2 Indication messages

7.2.1 Internal faultsWhen the Ready LED indicates an internal fault by flashing, the messageassociated with the fault is found in the internal event list in the LHMI menu Mainmenu/Monitoring/Internal events. The message includes the date, time,description and signal state for the fault. The internal event list is not updateddynamically. The list is updated by leaving the Internal events menu and thenselecting it again. The current status of the internal fault signals can also bechecked via the LHMI in Main menu/Monitoring/IED status.

Different actions are taken depending on the severity of the fault. After the fault isfound to be permanent, the IED stays in internal fault mode. The IED continues toperform internal tests during the fault situation.

When a fault appears, the fault indication message is to be recorded and statedwhen ordering service.

Table 29: Internal fault indications

Fault indication Additional informationInternal FaultReal Time Clock Error

Hardware error with the real time clock.

Internal FaultRuntime Exec. Error

One or more of the application threadsare not working properly.

Internal FaultSW Watchdog Error

This signal will be activated when theterminal has been under too heavyload for at least 5 minutes.

Internal FaultRuntime App Error

One or more of the application threadsare not in an expected state.

Internal FaultFile System Error

A file system error has occurred.

Internal FaultTRM-Error

A TRM card error has occurred. Theinstance number is displayed at theend of the fault indication.

Internal FaultCOM-Error

A COM card error has occurred. Theinstance number is displayed at theend of the fault indication.

Internal FaultPSM-Error

A PSM card error has occurred. Theinstance number is displayed at theend of the fault indication.



7.2.2 WarningsThe warning message associated with the fault is found in the internal event list inthe LHMI menu Main menu/Monitoring/Internal events. The message includesthe date, time, description and signal state for the fault. The current status of theinternal fault signals can also be checked via the LHMI in Main menu/Monitoring/IED status.

When a fault appears, record the fault indication message and state it whenordering service.

Table 30: Warning indications

Warning indication Additional informationWarningIEC 61850 Error

IEC 61850 has not succeededin some actions such asreading the configuration file,startup etc.

7.2.3 Additional indicationsThe additional indication messages do not activate internal fault or warning.

The messages are listed in the LHMI menu under the event list. The signal statusdata is found under the IED status and in the internal event list.

Table 31: Additional indications

Warning indication Additional informationTime Synch Error Source of the time synchronization is lost or time

system has made a time reset.

BATTERY1 Error Auxiliary power is disconnected.

Settings Changed Settings have been changed.

7.3 Correction procedures

7.3.1 Resetting the configurationThe configuration is reset with PCM600.


7.3.2 Changing and setting the passwordThe password can only be set with PCM600.

Section 7 1MRS757183 ATroubleshooting



7.3.3 Identifying IED application problemsNavigate to the appropriate menu in the LHMI to identify possible problems.

• Check that the function is on.• Check the blocking.• Check the mode.



Section 8 Glossary

DHCP Dynamic Host Configuration ProtocolEMC Electromagnetic compatibilityHMI Human-machine interfaceIEC International Electrotechnical CommissionIEC 61850 International standard for substation communication and

modelingIEC 61850-8-1 A communication protocol based on the IEC 61850

standard seriesIED Intelligent electronic deviceIP address A set of four numbers between 0 and 255, separated by

periods. Each server connected to the Internet is assigneda unique IP address that specifies the location for the TCP/IP protocol.

IRIG-B Inter-Range Instrumentation Group's time code format BLAN Local area networkLC Connector type for glass fibre cableLCP Liquid crystal polymerLED Light-emitting diodeLHMI Local human-machine interfaceMMS Manufacturing message specification; Metering

management systemPC Personal computer; PolycarbonatePCM600 Protection and Control IED ManagerRJ-45 Galvanic connector typeRoHS Restriction of the use of certain hazardous substances in

electrical and electronic equipmentSNTP Simple Network Time ProtocolWAN Wide area networkWHMI Web human-machine interface

1MRS757183 A Section 8Glossary


Contact us

ABB OyDistribution AutomationP.O. Box 699FI-65101 VAASA, FinlandPhone +358 10 22 11Fax +358 10 22 41094

www.abb.com/substationautomation

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