Modbus for residential D24810 User manual(A007)

Contents
1Introduction...............................................................................................................................1
2Transmissionmodes..................................................................................................................1
3Physicallayer............................................................................................................................1
4Address....................................................................................................................................1
5Notes........................................................................................................................................1
6Wiring.......................................................................................................................................2
7Modbusvariablelist...................................................................................................................2
7.1Registersforfancontrol....................................................................................................2
7.2Registersforheatercontrol...............................................................................................4
7.3Registersforthedamper...................................................................................................6
7.4Registersfortherotor.......................................................................................................6
7.5RegistersforRHsensor....................................................................................................6
7.6Registersfortheweekprogram.........................................................................................7
7.7Registersforsystemparameters.......................................................................................8
7.8Registersforclock............................................................................................................10
7.9Registersforthelter........................................................................................................10
7.10RegistersforVTCdefrosting...........................................................................................11
7.11RegisterforVR/VTRdefrosting........................................................................................11
7.12Registersforthedigitalinputs..........................................................................................12
7.13RegistersforPCU-PB.....................................................................................................14
7.14Registersforalarms........................................................................................................15
7.15Registerfordemandcontrol............................................................................................16
7.16Registerforwirelessnetwork...........................................................................................17
7.17RegistersforRHtransfercontrol......................................................................................18