Universal Wall-Mount Controller
Modbus Communication Module User Guide
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Register
Index
Description
Data Type
Range
Writable
400
34
Binary output - 6 relays output status.
Bit String
[B6-B15]
:
Reserved
B0: Binary Output 1
0 = Open, 1 = Close
B1: Binary Output 2
0 = Open, 1 = Close
B2: Binary Output 3
0 = Open, 1 = Close
B3: Binary Output 4
0 = Open, 1 = Close
B4: Binary Output 5
0 = Open, 1 = Close
B5: Binary Output 6
0 = Open, 1 = Close
W
400
35
System command.
Bit String
[B2, B6, B9 - B15]
:
Reserved
B0: Cfg_ServiceDisplayAddress
0 = Normal, 1 = Display address on LCD
B1: Cfg_CoolingRampLock
0 = Off, 1 = On
B3: Cfg_HeatingRamp1Lock
0 = Off, 1 = On
B4: Cfg_HeatingRamp2Lock
0 = Off, 1 = On
B5: Cfg_ChangeOverRampLock
0 = Off, 1 = On
B7: Cfg_HumidifyRampLock
0 = Off, 1 = On
B8: Cfg_DehumidifyRampLock
0 = Off, 1 = On
W
400
36
System mode status.
Unsigned
1 = Auto [Register 400
74
allows Auto Mode (1 or 5)]
2 = Heating [Register 400
74
allows Heating Mode (1, 2 or 4)]
3 = EMH [Register 400
41
Bits 2 and 1 = On and Enable (1) and
Register 400
74
allows Heating Mode (1, 2 or 4)]
4 = Cooling [Register 400
74
allows Cooling Mode (1, 3 or 4)]
5 = Fan [Register 400
40
Bit 12 = Advanced (1) and Bit 13 = Enable]
6 = Off [Register 400
39
Bit 8 = Enable (0)]
W
400
37
Fan speed selection by user.
Unsigned
1 = Auto, 2 = Low, 3 = Med, 4 = High
W
400
38
Temperature setpoint in occupancy or day mode.
Signed
Scale 10
Unit: ºC/ºF, Range: min to max setpoint,
Value x 10 (e.g. 18°C = 180)
W
