Modbus for residential D24810 User manual(A007)
Table Of Contents
- 1 Introduction
- 2 Transmission modes
- 3 Physical layer
- 4 Address
- 5 Notes
- 6 Wiring
- 7 Modbus variable list
- 7.1 Registers for fan control
- 7.2 Registers for heater control
- 7.3 Registers for the damper
- 7.4 Registers for the rotor
- 7.5 Registers for RH sensor
- 7.6 Registers for the week program
- 7.7 Registers for system parameters
- 7.8 Registers for clock
- 7.9 Registers for the filter
- 7.10 Registers for VTC defrosting
- 7.11 Register for VR/VTR defrosting
- 7.12 Registers for the digital inputs
- 7.13 Registers for PCU-PB
- 7.14 Registers for alarms
- 7.15 Register for demand control
- 7.16 Register for wireless network
- 7.17 Registers for RH transfer control
7.12Registersforthedigitalinputs
NameRegister
address
RorR/W
NVMAccess
(Reg./Coil)
Description/remarks
REG_DI_ALL
701
R/WReg+CoilWhenwriting:activationofthefunctions
connectedtothedigitalinputs.
0:deactiveinput.
1:activateinput.
Whenreading:obtainingofthevalueson
thephysicalinputsonthePCU-EC4card.
0:actualinputisnotactive,i.e.theinput
isnotconnectedtosignalGND.
1:actualinputisactive,i.e.theinputis
connectedtosignalGND.
Bit0:input1(DI1)
Bit1:input2(DI2)
Bit2:input3(DI3)
Bit3:input4(Heateron/off)
Bit4:input5(Extendedrunning/Boost
mode)
Bit5:input6(Rotor/Damper).Note:read
only!
Bit6:input7(HomeLeave/Away)
Bit7:notused.Writeas0.
Coil11201:input1.
Coil11202:input2.
Coil11203:input3.
Coil11204:input4.
Coil11205:input5.
Coil11206:input6.Note:readonly!
Coil11207:input7.
REG_DI_EXT_RUNNING_M
702
R/W
YRegExtendedrunningtimeinminutes
REG_DI_EXT_RUNNING_SPEED_LVL
703
R/W
YRegFanspeedlevelduringextendedrunning:
0:Off
1:Lowspeed
2:Normalspeed
3:Highspeed
REG_DI1_SF_LVL
704
R/W
YReg
Supplyfanspeedlevelatactivateddigital
input1
REG_DI1_EF_LVL
705
R/W
YReg
Extractfanspeedlevelatactivateddigital
input1
REG_DI2_SF_LVL
706
R/W
YReg
Supplyfanspeedlevelatactivateddigital
input2
REG_DI2_EF_LVL
707
R/W
YReg
Extractfanspeedlevelatactivateddigital
input2
REG_DI3_SF_LVL
708
R/W
YReg
Supplyfanspeedlevelatactivateddigital
input3
REG_DI3_EF_LVL
709
R/W
YReg
Extractfanspeedlevelatactivateddigital
input3
ModbusforResidentialunitsUserManual
D24810
12
SystemairSverigeAB