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  • Climatix

    Modbus communication, slave mode

    Reference addresses

    for District Heating application DH1 v1.0x

    CE1Z2911en

    13.01.2012

    Building Technologies

  • 2 / 43

    Siemens Modbus communication, slave mode CE1Z2911en Building Technologies 2012-01-13

    Siemens Switzerland Ltd.

    Building Technologies Group

    International Headquarters

    Gubelstrasse 22

    CH-6301 Zug

    Tel. +41 41-724 24 24

    Fax +41 41-724 35 22

    www.siemens.com/sbt

    2010 Siemens Switzerland Ltd.

    Subject to change

  • 3 / 43

    Siemens Modbus communication, slave mode CE1Z2911en Building Technologies Table of contents 2012-01-13

    Table of contents

    1 About this document ..............................................................................4

    1.1 Revision history.........................................................................................4

    1.2 Before you start .........................................................................................4

    1.3 Reference documents ...............................................................................4

    2 Application...............................................................................................6

    2.1 General information ..................................................................................6

    3 Reference Modbus addresses .............................................................12

    3.1 General ...................................................................................................12

    3.2 Coil status ...............................................................................................14

    3.3 Input states..............................................................................................15

    3.4 Input register ...........................................................................................18

    3.5 Holding register .......................................................................................35

    Index 42

  • 4 / 43

    Siemens Modbus communication, slave mode CE1Z2911en Building Technologies About this document 2012-01-13

    1 About this document

    1.1 Revision history

    Version Date Changes Section Pages

    1.0 13.01.2012 First version according the

    mapping Com_Modbus_Ch1.csv

    1.2 Before you start

    This document applies to the following product:

    Name Type (ASN) Version

    District Heating application DH1 POL638.x0/DH1

    This document is a supplement to the general integration guide for Climatix

    Modbus communication, slave mode.

    That document must be read first and all general information such as document

    conventions, important information on safety, trademarks, copyright etc. are valid

    for this document as well.

    This document only contains the uniqe information for the product mentioned

    above. All general engineering information such as mounting modules,

    communication settings etc. are described in the integration guide.

    User has read the general Modbus integration guide for Climatix, CB1J3960en.

    1.3 Reference documents

    The following documents contain additional information on the products described

    in this manual:

    Document Order no.

    Integration Guide Modbus communication, slave mode CB1J3960en

    Basic documentation:

    Applications for District Heating substations

    CB1P2910en

    Validity

    Prerequisite

    Further information

  • 5 / 43

    Siemens Modbus communication, slave mode CE1Z2911en Building Technologies About this document 2012-01-13

    Blank page

  • 6 / 43

    Siemens Modbus communication, slave mode CE1Z2911en Building Technologies Application 2012-01-13

    2 Application

    2.1 General information

    Siemens District Heating applications for Climatix comprise predefined monitoring

    and control functions for a particular plant type.

    Features:

    OEM customers receive standard applications as a set of loadable files. They

    can be loaded in the controller via SD card.

    An HMI operator unit allows for assigning inputs and outputs to the respective

    plant as well as select, configure and parameterize the required functions.

    Siemens District Heating application DH1 V1.x is available at this time. It contains

    all common functions to control and monitor District Heating units (District Heating

    Units). The following diagram provides an overview of selectable measured values

    and control equipment:

    Precontroller 1 to 3:

    Scheme HMI operation Description

    TOdrAir Outside temp. Outside temperature sensor

    TFlSec Flow temp.sec. Flow temperature sensor secundary

    TRtrnPrim Return temp.prim. Return temperature sensor primary

    TRtrnSec Return temp.sec. Return temperature sensor secundary

    PFlPrim Flow press.prim. Flow pressure sensor primary

    PRtrnPrim Return press.prim. Return pressure sensor primary

    PFlSec Flow press.sec. Flow pressure sensor secundary

    PRtrnSec Return press.sec. Return pressure sensor secundary

    HDmdInA Signal heat demand Heizbedarfseingang Analog (signal: z.B. DC 010 V)

    HDmdInB Command heat dem. Heizbedarfseingang Binr (ON/OFF)

    PuSig Signal pump Pump signal

    PuCmd Command pump Pump command (ON/OFF)

    PuAlm Alarm pump Pump alarm

    Pu2Sig Signal pump 2 Pump signal 2

    Pu2Cmd Command pump 2 Pump command 2 (ON/OFF)

    Pu2Alm Alarm Pumpe 2 Pump alarm 2

    Vlv Signal valve Primary valve signal (signal: 0..10 V)

    Vlv_3POpn Open com.valve Primary valve 3 point opening

    Vlv_3PCls Close com.valve Primary valve 3 point closing

    Vlv2 Signal valve 2 Primary valve 2 signal (signal: 0..10 V)

    Vlv2_3POpn Open com.valve 2 Primary valve 2, 3 point opening

    Vlv2_3PCls Close com.valve 2 Primary valve 2, 3 point closing

    What are Siemens DH

    applications?

    Siemens DH

    application DH1 V1.x

    Vlv2 Vlv2_3POpn Vlv2_3PCls

    PRtrnPrim

    TOdrAir

    T

    TFlSec

    M

    T

    T T

    TRtrnSec TRtrnPrim

    PuSig PuCmd PuAlm

    Pu2Sig Pu2Cmd Pu2Alm

    P P

    P P

    PFlSec

    PRtrnSec

    PFlPri

    M

    HDmdInB

    HDmdInA

  • 7 / 43

    Siemens Modbus communication, slave mode CE1Z2911en Building Technologies Application 2012-01-13

    Heating circuit 1 to 4:

    Scheme HMI operation Description

    TOdrAir Outside temp. Outside temperature sensor

    WindSpd Wind speed Wind speed sensor

    SolarRdn Solar radiation Solar radiation sensor

    TR Room temperature Room temperature sensor

    TFl Flow temperature Flow temperature sensor

    TRtrn Return temperature Return temperature sensor

    HDmdInB Thermostat Heat demand input binary (ON/OFF)

    PuSig Signal pump Pump signal continuous (signal 0..10 V)

    PuCmd Command pump Pump command (ON/OFF)

    PuAlm Alarm pump Pump alarm

    Pu2Sig Signal pump 2 Pump signal 2 continuous (signal 0..10 V)

    Pu2Cmd Command pump 2 Pump command 2 (ON/OFF)

    Pu2Alm Alarm pump 2 Pump alarm 2

    Vlv Signal Ventil Primary valve continuous (signal 0..10 V)

    Vlv_3POpn Open com.valve Primary valve 3 point opening

    Vlv_3PCls Close com.valve Primary valve 3 point closing

    TOdrAir

    T

    PuSig

    PuCmd

    PuAlm

    HDmdInB

    Pu2Alm

    Pu2Sig

    Pu2Cmd

    T TR

    SolarRdn

    TFl

    TRtrn

    TOdrAir

    Vlv

    Vlv_3POpn

    Vlv_3PCls

    M T

    T

    T PuSig

    PuCmd

    PuAlm

    HDmdInB

    Pu2Alm

    Pu2Sig

    Pu2Cmd

    T TR

    SolarRdn WindSpd

  • 8 / 43

    Siemens Modbus communication, slave mode CE1Z2911en Building Technologies Application 2012-01-13

    Domestic hot water circuit with internal heat exchanger:

    Scheme HMI operation Description

    TFl Flow temperature Flow temperature sensor

    TRtrnPrim Return temp.prim. Return temperature sensor primary

    TTnkTop Tank temp.top Storage tank temperature sensor top

    TTnkBtm Tank temp.bottom Storage tank temperature sensor bottom

    CircPuSig Signal circ.pump Circulation pump signal

    CircPuCmd Command circ.pump Circulation pump command (ON/OFF)

    CircPuAlm Alarm circ.pump Circulation pump alarm

    CrgPuSig Signal charg.pump Charging pump signal

    CrgPuCmd Command charg.pump Charging pump command

    CrgPuAlm Alarm charg.pump Charging pump alarm

    CrgPu2Sig Sign.charg.pump 2 Charging pump signal 2

    CrgPu2Cmd Com.charg.pump 2 Charging pump command 2

    CrgPu2Alm Alarm charg.pump 2 Charging pump alarm 2

    Vlv Signal valve Primary valve signal (signal: 0..10 V)

    Vlv_3POpn Open com.valve Primary valve 3 point opening

    Vlv_3PCls Close com.valve Primary valve 3 point closing

    CrgElCmd Com.electr.charg. Command electric immersion heater

    TTnkTop

    TTnkBtm

    T

    T

    CrgPu2Sig

    CrgPu2Cmd

    CrgPu2Alm

    CircPuSig

    CirPuCmd

    CirPuAlm

    CrgPuSig

    CrgPuCmd

    CrgPuAlm

    CrgElCmd

    TTnkTop

    TTnkBtm

    TFl T

    T

    M T

    Vlv

    T

    TRtrnPrim

    CircPuSig

    CirPuCmd

    CirPuAlm

    Vlv 3pOpn

    Vlv 3pCls

    CrgPu2Sig

    CrgPu2Cmd

    CrgPu2Alm

    CrgPuSig

    CrgPuCmd

    CrgPuAlm

    CrgElCmd

  • 9 / 43

    Siemens Modbus communication, slave mode CE1Z2911en Building Technologies Application 2012-01-13

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