bvh2464gb instruction manual intecont

INTECONT Tersus Belt weigher Instruction Manual

BV-H2464 GB

PASS - Service you can rely on Fast, comprehensive, anywhere in the world

Quality and reliability are the cornerstones of our companys philosophy. That is why we consider a comprehensive service concept simply par for the course, from strict quality control, installation and commissioning through to seamless support across the entire product life cycle. With over 30 service stations and over 180 service specialists, you can count on us to be there whenever and wherever you need us. It doesnt matter where you are, our specialists are there to advise and assist with the best in worldwide, personal, com-prehensive service.

During office hours, service specialists from all divisions are on hand to analyze problems and failures. Look at www.schenckprocess.com for your nearest Schenck Process Location.

Customized to meet your requirements, our comprehensive Process Advanced Service System provides you with the best service. Are you looking for individual, perfect-fit service solu-tions? Then our service system PASS is the ticket. It covers the en-tire service spectrum, from simple inspections through to full service. Interested? Then find out more about the individual components at www.schenckprocess.com/en/service.

by Schenck Process GmbH Pallaswiesenstrae 100, 64293 Darmstadt, Germany Phone: +49 6151 1531-0 www.schenckprocess.com All rights reserved. Any reproduction of this documentation, regardless of method, without prior permission by Schenck Process GmbH in writing, even by excerpt, is prohi-bited. Subject to change without prior notice.

Note: Translation of the original German Instruction

Table of Contents

INTECONT Tersus Belt weigher, Instruction Manual Schenck Process Group

BV-H2464GB, 1201 - i -

Table of ContentsTable of ContentsTable of ContentsTable of Contents

1111 About This ManualAbout This ManualAbout This ManualAbout This Manual .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 11112222 Safety notesSafety notesSafety notesSafety notes............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 33332.1 Signal Words .......................................................................................................................................... 52.1.1 Signal Words for Safety Warnings ................................................................................................. 52.1.2 Signal Words for Application Notes ............................................................................................... 5

2.2 Five Safety Rules of Electrical Engineering ........................................................................................... 62.3 Damaged / Defective Electrical Components ......................................................................................... 6

3333 General DiagramGeneral DiagramGeneral DiagramGeneral Diagram ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 77773.1 An overview of the INTECONT Tersus .................................................................................................. 73.2 Diagram of beltweigher and weighfeeder ............................................................................................... 83.3 Method of Function ................................................................................................................................. 93.4 Characteristics ...................................................................................................................................... 10

4444 OperationOperationOperationOperation .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 151515154.1 Quick guide ........................................................................................................................................... 154.2 Function block....................................................................................................................................... 174.3 Operating in Normal Operation............................................................................................................. 18

5555 Service FunctionsService FunctionsService FunctionsService Functions ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 212121215.1 Display Test and Version Number ........................................................................................................ 21

6666 Counter functionsCounter functionsCounter functionsCounter functions .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 232323237777 Mode functionsMode functionsMode functionsMode functions ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 252525257.1 Keyboard operation ON/OFF ................................................................................................................ 257.2 Prefeeder .............................................................................................................................................. 257.3 Simulation ............................................................................................................................................. 26

8888 Calibration functionsCalibration functionsCalibration functionsCalibration functions ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 272727278.1 Starting the calibration functions .......................................................................................................... 278.2 Pulse/Belt circuit LB ............................................................................................................................. 288.3 Tare TW ................................................................................................................................................ 298.4 Weight Check CW ................................................................................................................................ 318.5 Setting the Time ................................................................................................................................... 33

9999 Parameter functionsParameter functionsParameter functionsParameter functions .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 353535359.1 Read Parameters ................................................................................................................................ 35

10101010 Printer functionsPrinter functionsPrinter functionsPrinter functions ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 3737373710.1 Status Report ........................................................................................................................................ 37

11111111 Batching functionsBatching functionsBatching functionsBatching functions ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 3939393911.1 Batching mode ...................................................................................................................................... 3911.2 Record the batch .................................................................................................................................. 41

Table of Contents

BV-H2464GB, 1201 - ii -


12121212 Startup operationStartup operationStartup operationStartup operation .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 4343434312.1 Weighing Platforms .............................................................................................................................. 4312.1.1 Effective Weighing Platform Length ............................................................................................ 4312.1.2 Calibration Weight ........................................................................................................................ 4512.1.3 Belt inclination ............................................................................................................................. 47

12.2 Parameter Input .................................................................................................................................... 4712.3 Function Check ..................................................................................................................................... 4912.4 Test With Calibration Weight ................................................................................................................ 4912.5 Belt Velocity Check ............................................................................................................................... 5012.6 Test with Material ................................................................................................................................. 51

13131313 ParametersParametersParametersParameters ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 5353535313.1 Abbreviations ........................................................................................................................................ 5413.2 Configuring Event Messages ................................................................................................................ 5513.3 Parameter Listing ................................................................................................................................ 5513.3.1 Parameter Overview .................................................................................................................... 5513.3.2 Parameter Details ........................................................................................................................ 65

13.3.2.1 Parameter Block 01 - Dialog Behaviour ....................................................................................... 6613.3.2.2 Parameter Block 02 - Rated Data ................................................................................................ 6913.3.2.3 Parameter Block 03 - Calibration Data ........................................................................................ 7213.3.2.4 Parameter Block 04 - Calibrat. Results ........................................................................................ 7313.3.2.5 Parameter Block 05 - Analog Outputs ......................................................................................... 7413.3.2.6 Parameter Block 06 - Limit Values ............................................................................................... 7613.3.2.7 Parameter Block 07 - Filters......................................................................................................... 7913.3.2.8 Parameter Block 08 - AUTO Zero Set ......................................................................................... 8013.3.2.9 Parameter Block 09 - Batch Mode ............................................................................................... 8213.3.2.10

Parameter Block 10 - Printer Setting ........................................................................................... 8413.3.2.11

Parameter Block 11 - Maintenance interval ................................................................................. 8713.3.2.12

Parameter Block 12 - Feeder Control .......................................................................................... 8813.3.2.13

Parameter Block 13 - Belt Monitoring .......................................................................................... 8913.3.2.14

Parameter Block 14 - Events ....................................................................................................... 9213.3.2.15

Parameter Block 15 - Linearization .............................................................................................. 9513.3.2.16

Parameter Block 16 - Digital Inputs ............................................................................................. 9713.3.2.17

Parameter Block 17 - Digital Outputs ........................................................................................... 9813.3.2.18

Parameter Block 18 - Communication EasyServe ..................................................................... 10013.3.2.19

Parameter Block 19 - Communication Fieldbus......................................................................... 10113.3.2.20

Parameter Block 20 - Fixed mode configuration ........................................................................ 10613.3.2.21

Parameter Block 21 - Ethernet ................................................................................................... 10813.3.2.22

Parameter Block 22 - Data Logging ........................................................................................... 10913.3.2.23

Parameter Block 23 - Configuration HMI Values ....................................................................... 11113.3.2.24

Parameter Block 24 - Second Display ....................................................................................... 11314141414 Event messagesEvent messagesEvent messagesEvent messages ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 115115115115

Table of Contents


BV-H2464GB, 1201 - iii -

15151515 EventsEventsEventsEvents ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 11711711711715.1 Events Details ..................................................................................................................................... 11715.1.1 Event Group: Calibration ............................................................................................................ 11715.1.2 Event Group: Controller ............................................................................................................. 11815.1.3 Event Group: Electrical System ................................................................................................. 11815.1.4 Event Group: Interlock ............................................................................................................... 11815.1.5 Event Group: Material Flow........................................................................................................ 11915.1.6 Event Group: MAX ..................................................................................................................... 11915.1.7 Event Group: Mechanic .............................................................................................................. 12015.1.8 Event Group: MIN ...................................................................................................................... 12015.1.9 Event Group: Sequence Monitoring ........................................................................................... 12115.1.10 Event Group: System Message ................................................................................................. 122

16161616 Hardware and technical dataHardware and technical dataHardware and technical dataHardware and technical data ........................................................................................................................................................................................................................................................................................................................................................................................................................................................ 12312312312316.1 Technical Data and Replacement Parts ............................................................................................. 12316.2 Connection Diagrams ......................................................................................................................... 12516.3 Replacing INTECONT PLUS with INTECONT Tersus ....................................................................... 12716.4 PROFIBUS module (VPB8020) .......................................................................................................... 13016.5 DeviceNet Module (VCB8020) .......................................................................................................... 13216.6 Modbus Interface VSS8020 ................................................................................................................ 13416.7 LED diagnosis..................................................................................................................................... 135

17171717 Web server functionsWeb server functionsWeb server functionsWeb server functions .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 13713713713717.1 Web Server ......................................................................................................................................... 13717.2 System Information ............................................................................................................................. 137

18181818 AppendixAppendixAppendixAppendix ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 13913913913918.1 Service Values .................................................................................................................................... 13918.2 Set option ............................................................................................................................................ 14018.3 Function Check ................................................................................................................................... 14118.4 Test Connector ................................................................................................................................... 14218.5 Starting and Stopping ......................................................................................................................... 14318.6 Measuring at the Discharge Point VAP .............................................................................................. 14418.7 Belt Monitoring .................................................................................................................................... 14518.8 BIC belt impact compensation ............................................................................................................ 14518.9 Linearization ....................................................................................................................................... 146

IndexIndexIndexIndex .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 147147147147

About This Manual


BV-H2464GB, 1201 - 1 -

1111 About This ManualAbout This ManualAbout This ManualAbout This Manual

This operating manual for belt weighersis intended for the service technician. It describes the functionality of the VBW 20650-xxx software.

This manual is available in different forms: A printed version An electronic document in the platform-independent ADOBE format (file ending: *.PDF) As online help in the Microsoft Windows HTMLHelp format (file ending: *.CHM)

Safety notes


BV-H2464GB, 1201 - 3 -

2222 Safety notesSafety notesSafety notesSafety notes To avoid personal injury and equipment damage, follow the safety regulations stated below. Additionally, you should observe: Safety hints given in order-specific documentation Safety hints relating to mechanical components Instructions and safety tips for parts manufactured by sub-suppliers or that are not part of Schenck

Process's scope of delivery. When performing installation, commissioning and service work, observe all applicable local regulations.

Intended ApplicationIntended ApplicationIntended ApplicationIntended Application The measuring system and its connected mechanical components are exclusively designed for weighing and controlling tasks. Any use other than originally intended is considered inappropriate.

Sources of RiskSources of RiskSources of RiskSources of Risk If the measuring system has been correctly installed and commissioned, it does not pose any danger during weigh operations. Hazards may arise when the system is used for control operations or for transporting weighed goods. Poten-tial hazards may then arise from e.g. additional devices through which the weighed goods are passed or metered. Minor risks may arise in these situations if the measuring system is used or operated by untrained personnel. The measuring system can be part of a more complex plant. The system operating company is fully respon-sible for the operating safety of the system.

PersonnelPersonnelPersonnelPersonnel Preparation, assembly, commissioning, operation, maintenance and servicing may only be carried out by qualified personnel. All persons working on the system are required to observe the safety hints and know the parts of the tech-nical documentation relevant to their work. The operating company is responsible for instructing his operators to observe all regulations and instructions given.

Changing ParametersChanging ParametersChanging ParametersChanging Parameters The measuring system's functionality is determined by parameters. Only personnel familiar with the device's mode of operation may alter these parameters (e.g. after training by Schenck Process). Incorrectly set para-meters may cause injury or material damage. Furthermore they may also cause considerable disruption to weigh operations.

PasswordPasswordPasswordPassword Passwords safeguard the parameters against unauthorized alteration. The measuring system operating company must ensure that the password is handled safely.

Safety notes

BV-H2464GB, 1201 - 4 -


Acknowledging Event MessagesAcknowledging Event MessagesAcknowledging Event MessagesAcknowledging Event Messages Error messages may be acknowledged only after cause of fault has been remedied. Ensure that any connected peripheral devices are functioning correctly before acknowledging an event. Any connected control systems in particular must be in safe state.

Service and MaintenanceService and MaintenanceService and MaintenanceService and Maintenance All warning and instruction signs on the scales must be observed. The measuring system must be shut down before work is performed on mechanical equipment or peri-

pheral devices (control systems in particular). Take appropriate action to ensure that the measuring sys-tem cannot be inadvertently restarted.

Before performing work on the electrical equipment, disconnect the power supply. The devices may be operated only in the provided housings. There is danger of contacting live parts.

Moisture and HumidityMoisture and HumidityMoisture and HumidityMoisture and Humidity All scales parts, electrical components in particular, must be protected from moisture and humidity when the housing is opened for e.g. maintenance and service. In other respects the protection classes of the housing must be observed.

Design ModificationsDesign ModificationsDesign ModificationsDesign Modifications Unauthorized modifications to the system and/or use of replacement parts not supplied by Schenck Process voids Schenck Process's liability for any resulting damages. This especially applies to alterations which could affect the operating safety of the system.

Replacing ComponentsReplacing ComponentsReplacing ComponentsReplacing Components Spare parts must meet the technical specifications indicated by Schenck Process. To ensure this require-ment is met, only genuine Schenck Process spare parts should be used. When using other spare parts, the warranty will be void.

Safety notes


BV-H2464GB, 1201 - 5 -

2.12.12.12.1 Signal WordsSignal WordsSignal WordsSignal Words 2.1.12.1.12.1.12.1.1 Signal Words for SafetSignal Words for SafetSignal Words for SafetSignal Words for Safety Warningsy Warningsy Warningsy Warnings Potential dangers will always exist when working with technical devices. Dangers will arise if the machine was incorrectly installed was incorrectly commissioned is operated by untrained personnel is repaired by not qualified personnel

The following signal words throughout this manual indicate dangers that may arise when handling this ma-chine.

DANGER This signal word indicates a danger that can immediately cause the most severe injuries up to and including death. Follow all instructions to prevent this from occurring.

WARNING This signal word indicates a danger that can cause serious injuries up to and including death. Follow all instructions to prevent this from occurring.

CAUTION This signal word indicates a danger that can cause slight or medium injuries. Follow all instructions to prevent this from occurring.

2.1.22.1.22.1.22.1.2 Signal Words for Application NotesSignal Words for Application NotesSignal Words for Application NotesSignal Words for Application Notes

Signal words for information on material damages and on the optimal use of the machine

STRICTLY OBSERVE Signal word used to identify situations in which material or environ-mental damage could occur. Follow all instructions to prevent this from occurring.

Safety notes

BV-H2464GB, 1201 - 6 -


HINT Signal word used to identify information on using the product eco-nomically and at an optimal level of efficiency.

2.22.22.22.2 Five Safety Rules of Electrical EngFive Safety Rules of Electrical EngFive Safety Rules of Electrical EngFive Safety Rules of Electrical Engineeringineeringineeringineering

These fives safety rules must be followed in the order shown before commencing work on electrical systems. Once the work is finished, they are to be applied in reverse order.

DANGER Electric shock from live components Danger of life from electric shocks Take all possible precautions to ensure safety before commencing work

on live components. Observe, among other things, the following. 1. Disconnect the components. 2. Secure them against inadvertent restart. 3. Ensure that the components have been de-energized. 4. Above 1 KV: Earth the cables and bypass them. 5. Cover or shield adjacent, live components.

2.32.32.32.3 Damaged / Defective Electrical ComponentsDamaged / Defective Electrical ComponentsDamaged / Defective Electrical ComponentsDamaged / Defective Electrical Components

DANGER Electrified damaged or defective components There is a danger of life from an electric shock. Always have qualified personnel ensure that the components are neither

damaged nor defective. 1. Damaged or defective electrical components must immediately be re-

placed or, if possible, repaired by qualified personnel.

General Diagram


BV-H2464GB, 1201 - 7 -

3333 General DiagramGeneral DiagramGeneral DiagramGeneral Diagram 3.13.13.13.1 An overview of the INTECONT TersusAn overview of the INTECONT TersusAn overview of the INTECONT TersusAn overview of the INTECONT Tersus

INTECONT Tersus is an extension of and improvement on the INTECONT system that has proven its worth for years and has been used in more than 50,000 scales all over the world.

INTECONT Tersus is a measuring and measurement processing system of continuous weighing and feeding equipment for weighfeeders conveyor belt scales differential feeding scales Coriolis mass flow equipment and solids flow equipment.

The basic hardware equipment is aligned to the needs of the application. The following can be installed as optional equipment: Fieldbus modules 230 VAC power supply module with additional analog outputs and analog inputs

General Diagram

BV-H2464GB, 1201 - 8 -


3.23.23.23.2 Diagram of beltweigher and weighfeederDiagram of beltweigher and weighfeederDiagram of beltweigher and weighfeederDiagram of beltweigher and weighfeeder

Fig. 1: Basic diagram of the ITE inputs and outputs

1 COUNTER Pulse output for connecting an external totalizing counter 2 ANALOG Analog output 3 SERIAL Serial interfaces for the printer or second display 4 24 V Power supply 5 MOTOR Control output for belt drive 6 PREFEEDER Control output for a prefeeder 7 FULL "Full feed relay output for batching 8 DRIBBLE "Dribble feed" relay output 9 MAX Relay output for maximum monitoring 10 MIN Relay output for minimum monitoring 11 FAULT Relay output for alarms 12 ON/OFF Switch scales and totalizing on/off 13 RELEASE Release signal for recording totalizing

LC Load cell for ascertaining belt load Belt speed Speed pick-up (tachometer) Belt sensor Sensor for belt drift

General Diagram


BV-H2464GB, 1201 - 9 -

3.33.33.33.3 Method of FunctionMethod of FunctionMethod of FunctionMethod of Function

A belt weigher or weighfeeder continuously weighs the quantity of material transported by a conveyor belt. The feed rate is regulated on a weighfeeder according to a setpoint. A belt weigher only measures and it cannot influence the feed rate.

DefinitionsDefinitionsDefinitionsDefinitions

Q Belt load The weight of the material on a meter belt V Speed The speed of the conveyor belt I Feed rate The quantity of material transported by the conveyor belt per unit of time Z Total Amount of material transported = Feed rate x feed time

Belt load Q and speed v are continuously measured and factored together. The result is the feed rate I, from which the flow rate is determined.

Fig. 2: The belt load of the weighbridge is not legal for trade

The material is transported over a weighing platform located beneath the belt, limited by 2 carrying idlers. The load on the platform exerts a force on the load cell LC through one or more weighing idlers. The mea-suring displacement is approximately 0.2 mm. The measuring rolls are linked with the frame construction via parallel plate springs. The load cell output voltage is proportional to the platform load. It is recorded with a suitable measuring amplifier. The load distribution on a single-roll weighbridge is shown by the white triangle. Only half of the force from the weight of the material is passed into the measuring idler. The following conversion formula applies to the effective bridge length with single-roll weighbridges:

Leff = Lg / 2 Leff = effective weighing platform length Lg = total weighing platform length

Weighing platforms with more than one weighing idler will have a different factor than 1/2. Therefore the belt load in kg/m totals:

QB = total load on the weighbridge.

General Diagram

BV-H2464GB, 1201 - 10 -


Belt speedBelt speedBelt speedBelt speed The belt speed is recorded using velocity sensor D and converted into a corresponding pulse frequency.

Feed rate Feed rate Feed rate Feed rate The readings Q and v are standardized in the unit to the physical quantities kg/m and m/s and multiplied with one another. The product is feed rate I.

I in kg/s Q in kg/m v in m/s QB in kg Leff in m

I in kg/h

3.43.43.43.4 CharacteristicsCharacteristicsCharacteristicsCharacteristics

Displays The display of INTECONT Tersus consists of 4 parts:

1. You can give the technical name at the installation location in the header. A rotating symbol on the left edge shows whether the weighfeeder is on or off.

2. The second line of the display is reserved for event messages. 3. The following two lines show readings that can be selected with the cursor buttons. These lines cor-

respond to the lines of the INTECONT PLUS display. The lower half of the display is used for various visualizations: the large-scale display of an individual read-ing, displaying 4 readings in line font size or displaying as many as 9 adjustable readings in the parameters block Configuration HMI Values. They adapt their font size over 3 levels.

General Diagram


BV-H2464GB, 1201 - 11 -

Event messages Events and malfunctions are shown by an alphanumerical shorthand symbol and title. The appropriate "uncoded text" for all subsequent events can be called up via the operating keyboard. This distinguishes alarms (red) and warnings that either have to be acknowledged (orange) or do not

have to be acknowledged (yellow). Alarms will shut down the scales, warnings will not. All alarms are also indicated with a relay output.

Fig. 3: Display warning 2

Fig. 4: Display warning 1

General Diagram

BV-H2464GB, 1201 - 12 -


Fig. 5: Display alarm

Operating philosophy Operator guidance through menus on several levels. Important configuration and calibration functions

are secured via password.

The dialog language for fault messages, operation and service programs DEUTSCH, ENGLISH, FR-FRANCAIS, ES-ESPANOL, IT-ITALIANO, CN-CHINESE, JP-JAPANESE,

RU-RUSSIAN, HU-HUNGARIAN, NL-NETHERLAND at your choice or a loadable language (OTHER / XX-NEW).

Dimensions SI units (Metric): kg, kg/h, t, t/h, m and cm NON SI units (English): lb, lb/h, t, t/h, f and inches

Turning recording the total or setpoint specification on or off This can be selected with the P02.06 Feeder Start and FALSE Feedrate Setpoint parameters (however,

only with charging systems).

Monitoring for minimum and maximum limit values For feed rate, belt load and belt speed The limit values, relay outputs and event classes can be separate-

ly defined for all 6 possibilities.

Mains power failure Scale data, calibration data, counter readings and quantity pulses not yet issued are kept for an unlimited

time after a mains power failure and the time is kept for approx. 5 days.

Belt speed The belt speed is recorded with a speed pick-up.

Zero settings The zero point fault of the belt weigher comes from soiling that adheres permanently or from other con-

stant factors. The zero setting records the zero point fault on an empty belt over one or several whole-number belt circuits. This corrects the regular measurement in normal operation.

Zero setting takes place with an empty belt conveyor with a program which runs automatically. Zero setting should be started manually at regular intervals if automatic operation is not preselected. The maximum permitted zero setting correction is monitored.

Zero drop out Suppressing totalizing for measurements around zero so that the counter remains constant during no-

load belt operation. The function can be turned off.

General Diagram


BV-H2464GB, 1201 - 13 -

Tare Taring is a calibration procedure that determines the impact that the empty belt has on the measuring

signal, the basic tare. After taring, the total remains unchanged over one belt circuit with the empty belt. Call-up is password protected.

Measuring at dispatch: VAP The weighing platform is not located directly at the material discharge point for design reasons. This

means that if the belt load changes, the measurement for the feed rate will not precisely equal the cur-rent feed rate at the dispatch point. Measurement is shifted to the material discharge point using a spe-cial velocity-dependent delay element. No special measuring sensors are required to do this.

Batching mode Batch mode conveys a preset amount of material. The conveying process ends once the batch setpoint

has been reached. The batching process can be controlled via the belt conveyor drive or bin feeder. The turn-off point and dribble feed utilization can be adapted automatically.

BIC belt influence compensation and belt drift This function makes it possible for the belt to record and compensate for dynamic zero point influence

with an additional belt circuit sensor and a metallic marking flag in the belt. This increases the scale's short-term accuracy.

Display filters For feed rate, belt load and belt speed

Maintenance guidelines by overlaying an event in the display for the voltage supply's operating time, the scale's operating time and the next zero setting.

Calibration It is not necessary to calibrate the pick-up input. Certain design data such as on the load cells, velocity

sensors and conveyor belt inclination must be entered. The system uses this data to calculate all stan-dardizations required for the displays. It can be controlled or readjusted using two different methods.

Control with material: the result of a material inspection is entered into the system and it serves to correct the measurement result.

Control with calibration weight: standardization is controlled or can also be corrected if the technical data (such as the lever ratio or belt conveyor inclination) is not precisely known. In later operation, the program also becomes suitable for verifying mechanical changes such as the weighing platform being twisted due to movement of the foundations.

Operation


BV-H2464GB, 1201 - 15 -

4444 OperationOperationOperationOperation 4.14.14.14.1 Quick guideQuick guideQuick guideQuick guide Elements of the graphic display:

line 1: header rotating cross as a progress indicator. The scales are switched on; feed rate and flow rate are being recorded. In belt-based systems, only the belt load and belt speed are measured when the device is switched off (single point displayed). : with activated batching mode local designation of the feeder. This can be changed with EasyServe via parameters P01.05.

line 2: event line event information with a code and plain text upper display zone two lines of the actual value displays These lines correspond to the two lines of

INTECONT PLUS.

lower display zone Actual value displays that can be selected with buttons 0 - 9. The functions of buttons 4 - 7 depend on the application software and parameterization.

---

Totalizer 1Large

reading as per the parameter block Configuration HMI Values

Batch Actual ValueLarge with bars

SetpointLarge with bars

---

FeedrateLarge with bars

Belt LoadLarge with bars

Belt SpeedLarge with bars

reduce the brightness

4 readings with a bar display

increase the brightness

Operation

BV-H2464GB, 1201 - 16 -


operating elements:

SCROLL Preselect the data display of the upper line Select a group of parameters or one parameter

Preselect the data display of the lower line Change to the right or left with number inputs

Numerical keys, signs and decimal points for entering parameters Number buttons in basic position for selecting the actual value displays

DELETE Acknowledge event messages, delete inputs

START/STOP Switch-on/off are preselected

DATA Prepare the input, for instance changing the parame-ters and inserting the setpoint

FUNCTION Call up the function block, then select the desired function using the SCROLL keys If an event is pending, the function "display Events" has been preselected.

Operation


BV-H2464GB, 1201 - 17 -

ESCAPE Cancel a function or input and return to the actual value displays.

ENTER Activate a function or confirm an input

4.24.24.24.2 Function blockFunction blockFunction blockFunction block

The function block is the point of entry for everything to be performed on the device. All functions and dialogs can be called up through it. The function block is two-staged.

Call up the function block The previously selected function will be displayed if no event is pending.

Select the desired function of the first level. This space has a yellow background.

Change to the second level. The selected space of the first level has an orange background.

Select the desired function of the second level. This space has a yellow background.

Select function. It only shows the functions that can be called up now.

Return to the normal display, or abort a function.

Change back to the first level.

Operation

BV-H2464GB, 1201 - 18 -


The functions of the 1st stage of the function block:

Setup Totals

Mode Calibration Parameter

Printer Set-ting Batch

Configuration and parameter functions are only accessible via password. The password is queried once the function has been called up. Access to some functions can be configured in the Dialog Behaviour block. Entries might be missing de-pending upon this setting.

The appearance on the unit:

Fig. 6: display function block

4.34.34.34.3 Operating in Normal OperationOperating in Normal OperationOperating in Normal OperationOperating in Normal Operation

Turn on of the total measurement Specified condition: The external clearance signal has to be pending (selectable), P02.06 Feeder Start has to be on OP or the keyboard mode has to be activated.

Turn off of total measurement

The feeder drive can be switched on and off with the keys in this field if the mode of operation and the para-meterization permit it.

Operation


BV-H2464GB, 1201 - 19 -

WARNING A start signal will actuate the motors. There is the danger of injury if persons are in the area of the drives. Bulk solids can be transported and cover the following equipment. The turn-off command is not an emergency-off. Instead, it is provided for operational shutdown.

Reset the totalizing counter The function has to be activated with the P01.12 or P01.13 parameters.

Totals Reset Totalizer 1 or Reset Totalizer 2

Call up the function block

Select the function Note: Totalizer 3 cannot be deleted.

Call up the zero setting program

Calibration >0< Zero Set


Acknowledge event information

Call up other functions such as showing event information, configuration and return from the function block

Operation

BV-H2464GB, 1201 - 20 -


Enter batch setpoint

Batch Setpoint Entry .

If using the VWF weighfeeder: A query of the Setpoint of the Feedrate will be first made if Feedrate Setpoint is set to OP or keyboard mode is active.

Key in the numerical value.

Acknowledge input.

This deletes the last symbol.

This interrupts the input.

Service Functions


BV-H2464GB, 1201 - 21 -

5555 Service FunctionsService FunctionsService FunctionsService Functions

Display Events Setup Display Check

Service Values / Standard Values

Start Data Logging / Stop Data Logging

Clear Data Log File

Service functions help get an overview of the status of the unit and the weighing system.

Display Events leads to a list of current upcoming events.

Service Values activates the display of other internal status information in the lower line of the display Service Values. This line has a grey background. The return from this display takes place from Standard Values .

The other functions operate the routines set in the parameter block Data Logging.

5.15.15.15.1 Display Test and Version NumberDisplay Test and Version NumberDisplay Test and Version NumberDisplay Test and Version Number

This function displays the software version and tests the display.

Setup Display Check


Overlay the software version number Overlay the Schenck Process Logo The test ends automatically

Counter functions


BV-H2464GB, 1201 - 23 -

6666 Counter functionsCounter functionsCounter functionsCounter functions

Reset Totalizer 1

Reset Totalizer 2 Totals

Totalizer Record

Counter 1 and counter 2 can be reset with these functions. Counter 3 cannot be reset because it documents the total of materials conveyed.

The Totalizer Record function starts the counter print-out on a connected printer.

Mode functions


BV-H2464GB, 1201 - 25 -

7777 Mode functionsMode functionsMode functionsMode functions There are functions brought together in the Mode menu for switching over into various operating modes.

Functions: Mode

Start Keyboard Mode / Stop Keyboard Mode

Stop Prefeeder / Particip. Prefeeder

Start Simulation / Stop Simulation

Mode

7.17.17.17.1 Keyboard operation ON/OFFKeyboard operation ON/OFFKeyboard operation ON/OFFKeyboard operation ON/OFF

The Start Keyboard Mode function can be used to switch the preselected operating sources for turning on/off and specifying the setpoint and target batching values to the INTECONT keyboard. Stop Keyboard Mode will again select the previous sources. The On-Off status and setpoints will be retained when switching to the keyboard from an external source (e.g. serial). The external signals act in the opposite direction. It is still possible to see a preselected external setpoint.

Display: Keyboard operation is indicated by OP in the status line.

7.27.27.27.2 PrefeederPrefeederPrefeederPrefeeder

The Particip. Prefeeder or Stop Prefeeder functions determine the impact of INTECONT on the prefeeder. This function is activated in normal operation and INTECONT takes on controlling the prefeeder. The materi-al flow is interrupted when it is off and the scale can be tared, etc.

Mode functions

BV-H2464GB, 1201 - 26 -


7.37.37.37.3 SimulationSimulationSimulationSimulation

In simulation mode, all functions of the scales without material can be tested during start-up. The scales are not suited to normal operation during simulation.

Display: SY14 Event: Simulation active event information SIM is shown in the status line and service values. This function can be turned off again with Stop Simulation in the same fashion.

Characteristics: 1. All operating functions can be carried out 2. For feeding systems the actual value for the feed rate will be set to the setpoint. This value will be set as per P02.02 Nominal Flow Rate for measuring systems. 3. The belt load and velocity measurement are active. 4. All control inputs and outputs work as adjusted.

Calibration functions


BV-H2464GB, 1201 - 27 -

8888 Calibration functionsCalibration functionsCalibration functionsCalibration functions

Functions: Calibration

>0< Zero Set

LB: Pulses/Belt

TW: Tare

CW: Span Calibration Calibration Set Time

8.18.18.18.1 Starting the calibration functionsStarting the calibration functionsStarting the calibration functionsStarting the calibration functions

The 3 adjustment programs that provide basic and secondary calibration are available in this menu along with the >0< Zero Set and Set Time functions.

The procedure is the same for all programs.

They have to be used in basic calibration in the order of LB, TW and CW. All of them are protected from unintentional operation with a password. No total will be recorded during the run time of a program until acknowledgement; analog outputs are set to the offset amount.

Calibration


Select the desired adjustment program LB, TW or CW

Key in password 7353

Afterwards it shows the dialog of the selected adjustment program.


BV-H2464GB, 1201 - 28 -


8.28.28.28.2 Pulse/Belt circuit LB Pulse/Belt circuit LB Pulse/Belt circuit LB Pulse/Belt circuit LB

The LB: Pulses/Belt calibration program only has to be called up. At initial calibration when a new belt is mounted or the belt tension has been changed substantially. when one of the P02.04 Pulses per length or P02.05 Nominal Speed parameters was changed on scales

with or without speed measurement It calculates the number of impulses given by the speed sensor for one belt circuit. Afterwards, the number of impulses acts as a belt circuit identifier for the TW: Tare, CW: Span Calibration programs and zero setting. This program should be called up at initial calibration as the first of all adjustment programs. This also ap-plies to scales without speed measurement.

Conditions: 1. Measure the time for a belt circuit as precisely as possible and key in as theP03.02 Belt Circuit Time

parameters before calling up 2. The conveyor belt has to run 3. Volumetric 4. Switch off batch mode

Note: Belt drive and prefeeder are not controlled by the set-up program. The setup program will be inter-rupted with a corresponding message if one of the conditions is not met.

Sequence:

Calibration LB: Pulses/Belt

Call up the function distributor

Abort possible at any time

While the program is running, the remaining seconds of the program running time and the impulses added up with the velocity sensor are shown in the display. LB: Calibration active is shown in the header.

After ending the program, the mean belt speed is shown in the display over the entire running period along with the final result of impulses/belt circuit. There is the request LB: wait for Confirmation in the header.



BV-H2464GB, 1201 - 29 -

The results are accepted and filed in P04.06 Belt Circuit No. parameters.

The result is not accepted. Aborted ! is shown in the header.

The procedure is identical for models without a velocity measurement.

Specific Messages: Start ! if the belt is not running Aborted !

Note: The program routine is slightly different if there is a P13.03 Belt Sensor Active belt sensor: The new reading is shown for impulses/belt circuit after every belt circuit. If the sensor is not correctly identified, it gives the Error Sensor message and the adjustment program is cancelled.

8.38.38.38.3 Tare TWTare TWTare TWTare TW

The taring program uses one or several whole-number belt circuits to record the zero point fault of the weighfeeder. This value is used to correct the ongoing measuring results in normal operation. We should distinguish taring from zero setting.

Taring:

Recording of the base tares (i.e., the weight of such things as the mechanism or belt conveyor) when starting up, servicing and doing maintenance

Zero setting: Recording the operational zero deviation such as soiling The maximum correction stroke of the zero setting program is limited while that of the tare program is not. After taring, the permissible correction deviation of the zeroing program is based on the new reference value.

Conditions: 1. There may not be any material on the belt conveyor under any circumstances. The prefeeder can be

controlled with Feeder ON/OFF function. 2. Clean the scale's mechanical equipment within the scales zone. Deposits may remain that develop again

immediately in regular operation. 3. Switch off batch mode 4. The belt conveyor must be running. Notice is given automatically.


BV-H2464GB, 1201 - 30 -


Sequence:

Calibration TW: Tare

Call up the function distributor


While the program is running, the display shows the remaining running period in % of the entire running period and the constantly meaned tare in % of the rated belt load. TW: Calibration active is shown in the header.

After ending the program, the display shows how much tare departs from prior taring in % of the rated belt load and the mean of the entire tare in % of the rated belt load. Dev = + : tare has increased Dev = + : tare has decreased

The TW: wait for Confirmation message in the header reports the end of the program and requests user input.

The result is accepted and stored in the P04.04Basic Tare parameters. At the same time, P04.05 Tare Correction is set to zero.

The result is not accepted and the scales are not tared.


NOTE Tare may exceed 100 % by using the rated belt load as reference.



BV-H2464GB, 1201 - 31 -

CAUTION If the deviation (Dev) is substantial (>20 %), this may indicate a me-chanical fault. The weighing platform must then be checked for stuck material particles.

If BIC is active (P13.05 BIC Active = YES), the tare vectors of BIC are initialized with the taring program.

8.48.48.48.4 Weight Check CWWeight Check CWWeight Check CWWeight Check CW

You can use this program to control the turndown of the system. This is done by loading the weighing plat-form with a known calibration weight and automatically calculating the average platform load over one or several whole-number belt circuits. The result is compared to a preset setpoint and then displayed. No automatic correction is performed. Suitable calibration weights are available as accessories.

Conditions: 1. Taring or zero setting 2. Key in the calibration weight in P03.08 parameters. The calibration weight should be between 30 % and

100 % of the Qo rated bridge load.

Qo = qo * Leff qo = Nominal Belt Load, parameters P04.01 Leff = Effective Platform Length, parameters P03.05

1. Attach the calibration weight at the place provided. 2. Switch off batch mode 3. The scale has to run in volumetric operation. Notice is given automatically.

Sequence:

Function distributor

Calibration CW: Span Calibration



BV-H2464GB, 1201 - 32 -


While the program is running, the remaining running period is shown in the display in % of the total running period along with the continual Set/Act measuring result. CW: Calibration active is shown in the header.

After ending the program, the fictitiously conveyed quantity of material is shown in the display over the running period along with the mean of KOR of the Set/Act over the entire running period.

The CW: wait for Confirmation message in the header reports the end of the program and requests user input.

Exiting the program. Either button may be used AS THE RESULT IS NOT ACCEPTED AUTOMATICALLY.


NOTE If no calibration weight is mounted, the zero point of the scales can be checked with this program.

Evaluating the results Error < 1 % Set/Act = 0.99 - 1.01

The scales are in good working order and no further actions are necessary. Error < 5 % Set/Act = 0.95 - 1.05

Enter the Set/Act value in parameter D 02. Of course, this only makes sense if the result of a material control has not yet been included in the parameter.

Error > 5 % Set/Act < 0.95 or Set/Act > 1.05 Departures of several percent indicate incorrectly entered technical data (such as levers or not knowing precise belt inclinations) or mechanical errors (such as alignment or tension).

The current value of the P04.02 Range Correction parameter is not taken into account in the check. This is why the control program will show the same KOR fault quotients after correcting with the value input in P04.02.



BV-H2464GB, 1201 - 33 -

8.58.58.58.5 Setting the TimeSetting the TimeSetting the TimeSetting the Time

The date and time are among the Service Values status information for the scale and they can be changed at any time.


Calibration Set Time


Enter the year, month, day, hour, minute and second.

Confirm each entry. After the seconds have been entered and confirmed, the new time will be accepted.

Then it shows the new setting for a couple of seconds as Current Time. The internal clock will run for a further approx. 5 days in case of a mains failure.

Parameter functions


BV-H2464GB, 1201 - 35 -

9999 Parameter functionsParameter functionsParameter functionsParameter functions

Functions: Parameter

Read Parameters

Enter Parameters

Print Parameters

Load Factory Defaults

Load Custom Defaults Parameter Option activate

Display, alter and print the parameter on the device. Load Custom Defaults will set the device to a defined state that was saved at, for example, setup. The Load Factory Defaults function will reset completely the parameterization. (Parameters [53])

Additional functions can be activated by the Option activate function (Set option [140]).

9.19.19.19.1 Read Parameters Read Parameters Read Parameters Read Parameters

Parameter are changeable characteristics or data with which the device can be adapted to its special weighing task. You can find the meaning of the parameters in the detailed parameter description. The input of parameters is protected by a password. They can inspected without any hazard with the Read Parameters function. The parameters are broken down into functional blocks and numbered within a block. Parameters are composed as follows:

Pxx.yy , where: xx: block number

yy: Number of the parameters in the block

Explanatory name of the parameters (language-dependent)

Depending on the situation, individual parameters or groups of parameters may be faded out to highlight the parameters important to an application. Hidden parameters can only be shown with the EasyServe service software and they can also be cleared there for the dis-play on the unit wherever necessary. Fading out may result in breaks in the numbering. Some parameters can be write protected. The write protection can also be configured using EasyServe.

Parameter functions

BV-H2464GB, 1201 - 36 -


Reading parameters:


Parameter Read Parameters

Scrolling through parameter blocks 1, 2, and select the required block.

Scrolling through the parameters within a block

Return to the blocks

Return to normal display

Printer functions


BV-H2464GB, 1201 - 37 -

10101010 Printer functionsPrinter functionsPrinter functionsPrinter functions

Functions: Printer Setting

Totalizer Record

Print Parameters

Print Status Report

Batch Record

Printer Set-ting

When printing with the Batch Record function, the Totalizer Record function adds the batch setpoint and actual batch value to the print-out and Totalizer Printout is printed out as the heading. The batch protocol can only be printed after completing the batch. The counter protocol is available at any time.

The complete parameter list is printed out with the current readings using the Print Parameters function. All inputs departing from the default readings are marked with an *. The list of all possible event messages and the current hardware allocation is printed out as an appendix. The printing procedure can be cancelled at any time.

10.110.110.110.1 Status ReportStatus ReportStatus ReportStatus Report

The Print Status Report can be printed out at any time. It provides information on the events and configura-tion results that have occurred to date, etc. The Service Values chapter explains the specific data in detail. The printing procedure can be cancelled at any time.

Software version

Own Address EasyServe address information IP Address Ethernet address information OP Mode Simulation Mode Feeder On Volumetric Mode Summary Alarm

Status information

Maintenance Electric Overall duty cycle of mains voltage.

Printer functions

BV-H2464GB, 1201 - 38 -


Maintenance Feeder Run Overall duty cycle of the belt conveyor and the device. Totalizer 1 Totalizer 2 Totalizer 3

The readings of the total counter

The events since Power ON The number and type of events from Power ON or since the last print-out ofPrint Status Report.

Batching functions


BV-H2464GB, 1201 - 39 -

11111111 Batching functionsBatching functionsBatching functionsBatching functions

Functions: Batch

Select Batch / Deselect Batch

Batch Record

Abort Batch

Batch

11.111.111.111.1 Batching modeBatching modeBatching modeBatching mode

A preselected quantity of material is dispatched in batching mode. When it reaches the batch setpoint, the conveyor belt and material prefeeder are turned off and the feeding process is ended.

Display:

If Batch Mode is selected, the summation symbol appears in the header. Relevant data in the middle and lower display zone: Batch Setpoint, Batch Actual Value and Batch Residual Amount. Before starting a batch, Batch Actual Value and Batch Residual Amount show the amounts reached by the previous batch. Deselecting Batch Mode means that the displays are no longer accessible, although they appear again with the new preselection. The display format corresponds to Counter 1 Unit.

Preselection batching mode Preselecting the batching mode makes batching possible, although it does not initiate a batch. The condition: scales OFF and the function is activated.

Batch Select Batch


Batching functions

BV-H2464GB, 1201 - 40 -


Input the Batch Setpoint

A Batch Setpoint query occurs automatically upon preselection or can be manually initiated with after a batch has been finished (scales OFF). No entry can be made if batch mode is deselected or if a batch is in process. No input is possible if the Batch Setpoint is specified with the fieldbus (Batch Setpoint Source P09.09 = FB).

If using the VWF weighfeeder: A query of the Setpoint of the Feedrate will be first made if Feedrate Setpoint is set to OP or keyboard mode is active.

Skip the input. The old Setpoint of the Feedrate is maintained. Then Batch Setpoint Source will be queried automatically.

Input the value

Acknowledge input.

Interrupt entry, continue with previous setpoint

Delete symbols incorrectly keyed in

Starting and interrupting

Start the batch and the conveying process begins

Interrupting a batch The batch is continued with the next start command.

Deselect Batch This function deselects batching mode, i.e. it is taken out of the active scope of functions. The summation symbol disappears from the header and the batching values can no longer be called up again. However, they will not be cleared. Conditions: the batch is ended or cancelled via Abort Batch function (scales OFF).

Batching functions


BV-H2464GB, 1201 - 41 -

Batch Deselect Batch


Batching mode can be re-activated with the Select Batch function and you can inspect the old batching values again.

Abort Batch This function cancels a current batch and the conveying process is ended immediately. Operation remains in batch mode The next start command will begin a new batch; the previous batch will not be resumed.

Batch Abort Batch


11.211.211.211.2 Record the batchRecord the batchRecord the batchRecord the batch

Issuing the batching results on a printer. The batch has to be ended or cancelled. This function is only available in batching mode.

It can be printed out with the Batch Record function or automatically after every finished batch (P09.10 Batch Automatic Record = YES).

The printing procedure can be cancelled at any time.

Startup operation


BV-H2464GB, 1201 - 43 -

12121212 Startup opeStartup opeStartup opeStartup operationrationrationration 12.112.112.112.1 Weighing PlatformsWeighing PlatformsWeighing PlatformsWeighing Platforms

12.1.112.1.112.1.112.1.1 Effective Weighing Platform Length Effective Weighing Platform Length Effective Weighing Platform Length Effective Weighing Platform Length

The effective weighing platform length "L" is an important value for calibration. It is determined by the design of the weighing platform and can usually be found in the technical data sheets. However, it is always expe-dient to measure the length manually and to enter the exact value as a parameter. The hatched area shows the load distribution on the weighing platform.

Single-Idler Platform The load on the weighing platform is conducted via a weighing idler into the load cell. This can be done by means of a lever system or without levers by means of a parallel leaf-spring system.

In this case, L is computed as:

Multiple-Idler Platform Several weighing idlers are combined into one mechanical unit, the measuring bridge.

Startup operation

BV-H2464GB, 1201 - 44 -


Buckled Platform The weighing platform consists of two parts. The force is conducted centrally into the load cell. A split mea-suring table can also be used in place of the weighing idlers.

Mounting for entire belt on one side only

Lg = Distance to the center of the material cone

Startup operation


BV-H2464GB, 1201 - 45 -

12.1.212.1.212.1.212.1.2 Calibration WeightCalibration WeightCalibration WeightCalibration Weight The calibration weight simulates a certain belt load and serves to control the weighing system. It can have a direct effect on the weighing platform or via a lever system. In parameters C 08, not the actual weight but the weight affecting the weighing platform must be entered. The effective calibration weight QPRF is the weigh-ing platform load in kg simulated by the calibration weight.

SingleSingleSingleSingle----Idler PlatformIdler PlatformIdler PlatformIdler Platform

Parallel leaf-spring bearing The calibration weight can theoretically be mounted at any point on the weighing plat-

form mechanical equipment. The effective load is always the applied weight QP. QPRF = QP

Pivot joint bearing (e.g. crossed flexure strip)

tan() 0.018 * a

Angle = 0 : K = 0 Angle = neg : K = neg

Startup operation

BV-H2464GB, 1201 - 46 -


MultipleMultipleMultipleMultiple----Idler PlatformIdler PlatformIdler PlatformIdler Platform

Entire platform supported on load cells QPRF = QP

Pivot joint bearing See Single-idler platform

Buckled PlatformBuckled PlatformBuckled PlatformBuckled Platform The calibration weight usually has an effect in the center. QPRF = QP

If the entire belt issupported on one side, the following applies

If the belts are inclined, the extension or shortening of the calibration lever corresponding to the single-idler platform must be taken into account.

ChaiChaiChaiChain Calibration Weights:n Calibration Weights:n Calibration Weights:n Calibration Weights: If a chain curtain is placed over the weighing platform area, the effective calibration weight then becomes the total weight of the chain in the weighing area. QPRF = n * Lg * s n = Number of chains Lg = Overall weighing platform length in m s = Weight of chain per m in kg/m

Startup operation


BV-H2464GB, 1201 - 47 -

12.1.312.1.312.1.312.1.3 Belt inclination Belt inclination Belt inclination Belt inclination In certain cases, the belt inclination must be entered as a parameter. The mounting orientation of the load cell is the decisive factor.

At right angles to theAt right angles to theAt right angles to theAt right angles to the belt conveyor belt conveyor belt conveyor belt conveyor The angle a must be entered as the parameters. The load acting on the load cell is N = Q - cos a.

Vertical to the belt conveyorVertical to the belt conveyorVertical to the belt conveyorVertical to the belt conveyor

0 must be entered as angle a. The full force Q acts on the load cells.

12.212.212.212.2 Parameter InputParameter InputParameter InputParameter Input

A technical data sheet is part of the scope of delivery. It contains all important nominal and calibration data acc. specification. We will therefore list only a few important pieces of information and some recommenda-tions at this point. It makes sense to go through all of the parameters and consider the value entered.

Startup operation

BV-H2464GB, 1201 - 48 -


Parameter block Dialog Behaviour: Dialog language, display units and availability or security of the function block functions. The parameters values will be converted automatically if the dimensions are changed.

Parameter block Rated Data: Pulses per length P02.04 is important to calibration. The dimension data should be adapted to the Nominal Flow Rate. Flow Rate Units P02.01 resolution should not be greater than 4 ... 5 decimals for a quiet display. The output frequency should not be any more than 10 Hz if an external volumeter is connected.

Parameter block Calibration Data: All calibration and evaluation data are important and must be entered exactly. Most of the details can be found in the technical data sheets. The effective platform length and the inclination of the belt must be measured on-site. The inclination of the belt may only be entered for systems in which the load cells are arranged perpendicular to the belt. On vertically-installed load cells, the effective angle equals 0.

The inclination of the belt can be determined easily using a spirit level and a measuring tape. It is advanta-geous to measure multiple times and to take the mean value of these measurements (h1, h2, ) as the value 'h'. The Angle P03.07 angle is then a = tan -1 (h/l) For angle < 20, a = 55 h/l applies

Parameter block Calibrat. Results: No input is needed. P04.02 Range Correction should be on 1 at initial calibration. We recommend that once you have entered the rated data you check whether the load cell becomes overloaded by the rated feed rate.

F = Qo * L * H * cos(a) Qo Nominal Belt Load P04.01 kg/m L Effective Platform Length P03.05 m H Lever Ratio P03.06 a Angle P03.07 Degrees F Force on the load cell kg

F should be less than or equal to the total of LC Rated Capacity P03.04. Otherwise, the load cells are too small for the required Nominal Flow Rate.

Startup operation


BV-H2464GB, 1201 - 49 -

12.312.312.312.3 Function CheckFunction CheckFunction CheckFunction Check

1. Switch on the belt conveyor and scales. The switch-on process depends on the preselected Feeder Start P02.06 source.

2. A rotating cross appears in the header as a progress indicator. If not, there is no clearance or the ON button was not pressed.

3. Take any event messages which appear into account and remove the error. 4. Check the following:

Tachometer: The output frequency of the tachometer generator has to be less than 3,000 Hz with acti-vated measurement. The value must approximately correspond to the information in the data sheet. Load cell: The non-standardized initial value for the load cell amplifier may not be larger than 2.85 mV/V even at nominal load of the weighing platform. It must change if the weighing platform is placed under load (e.g. the calibration weight). If the value is too large, the load cell is overloaded. If the value is nega-tive, the load cell may be wrongly connected. The load cell load in percent, sourced from the sum of the load cell nominal capacities, should not be larger than 100 % with nominal belt load.

12.412.412.412.4 Test With Calibration WeightTest With Calibration WeightTest With Calibration WeightTest With Calibration Weight

The test with a calibration weight makes sense because 1. mechanical or electrical faults are possible 2. calibration data can be unreliable (for instance, the leverage is not precisely known) and it is difficult to

measure the belt inclination 3. data may be incorrectly entered

The calibration weight should be between 30 % ... 100 % of the platform nominal load and be accurate. 1. Enter Calibration Weight P03.08.

On beltweighers with parallel leaf-spring guides, the effective calibration weight is the same as the actual value. In other cases, the effective calibration weight can be taken from the data sheet, or can be calcu-lated according to the chapter details/data flow images. The inclination of the conveyor belt has no effect on the effective calibration weight.

2. Call up the CW: Span Calibration program.

Some Possible Causes of Fault: Warping of the weighing platform, improper alignment, interferences in the load cell cable. If you suspect any of these faults, repeat the check with a different weight. Non-linearity is an indication of such faults, linear faults are more likely to be cause by incorrect data.

Startup operation

BV-H2464GB, 1201 - 50 -


12.512.512.512.5 Belt Velocity CheckBelt Velocity CheckBelt Velocity CheckBelt Velocity Check

The velocity sensor frequency generator can be actuated in a number of different ways. 1. with a frictional wheel on the lower carrying run of the belt or 2. with the shaft of the drive motor

In the first case, the value Pulses per length P02.04 depends on the exact diameter of the frictional wheel; in the second case, it depends on the gear and looping factor of the belt. So the velocity measurement accuracy should be checked. 1. Establish the velocity of the conveyor belt using a stopwatch and a tape measure. Make several mea-

surements to be sure and then calculate the mean. 2. Read the speed display over the same period of time wherever feasible. 3. Compare these readings with one another and correct P02.04 wherever necessary. (new value = prior

value * speed measured/speed read)

This procedure can also be used to determine unknown characteristic values. Check the space between the recording sensor and crown gear and reduce wherever necessary if there is a known Pulses per length and large deviations.

Startup operation


BV-H2464GB, 1201 - 51 -

12.612.612.612.6 Test with MaterialTest with MaterialTest with MaterialTest with Material

Each test or calibration with calibration weights can only approximate the actual operating conditions. A high-ly accurate continuous measurement can be achieved only by making several measurements with bulk ma-terial and a subsequent correction. It is corrected with Range Correction P04.02. The following image shows an example of an arrangement for verifying a belt-based continuous throughput.

Fig. 7: Arrangement for verification with bulk material

The following items must be observed: 1. The route from the continuous measuring point to the collecting point for the material must be clean 2. Any available diverters must not divert material. 3. If there are any feed screws or air slides between the weighing platform and the continuous measuring

point, material must be conveyed for approx. 1/2 hour before any verification measurements are made This will allow the usual material build-ups to form on the conveying elements.

4. Dedusting must be set to a minimum 5. The containers or vehicles in which the material is transported onto a (legal-for-trade) commercial scales

must be cleaned and re-weighed (tared) before each filling. The commercial scales must be sufficiently accurate to measure the quantity MW.

The new value P04.02new is calculated from the old value P04.02old using the counter progression MA from the continuous measurement and the mass MW calculated from the control scales as follows: P04.02 new = P04.02old * MW / MA

For example: Old value of P04.02 = 1 A material quantity of MW = 4.9 t is conveyed over a time period of 15 minutes. The

bvh2464gb instruction manual intecont

Documents