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C.3 Holding registers
Signal name
Modbus
address
Default
value
Scale
Description
RCPSettings.RegioControllerMode
1
9
1
Control Mode
0=Heating
1=H Heating
2=H Cooling
3=Cooling
4=Heating/Cooling (change-over)
5=H Heating/Cooling (change-over)
6=H VAV
7=C VAV
8=VAV
9=H C VAV
RCPSettings.RegioHeatSetPointOccupied
2
22
10
Room Base setpoint heating
RCPSettings.RegioCoolSetPointOccupied
3
24
10
Room Base setpoint cooling
RCPSettings.RegioRoomTempPBand
4
10
1
Temperature PID P Band
RCPSettings.RegioRoomTempITime
5
300
1
Temperature PID I Time
RCPSettings.RegioHeatSetPointUnoccupied
6
15
10
Setpoint heating in Unoccupied
RCPSettings.RegioCoolSetPointUnoccupied
7
30
10
Setpoint Cooling in Unoccupied
RCPSettings.RegioSetPointDeadBandStandby
8
3
10
Deadband in Standby mode
RCPSettings.RegioFrostProtectionSetPoint
9
8
10
Setpoint frostprotection
RCPSettings.RegioRUSetPointAdjPos
10
3
1
Max allowed offset over setpoint
RCPSettings.RegioRUSetPointAdjNeg
11
3
1
Max allowed offset below setpoint
RCPSettings.RegioSetPOffset
12
0
10
Setpoint Offset
RCPSettings.RegioSetPOffsetRemote
13
0
10
Setpoint Offset Remote
RCPSettings.RegioControllerStateReturn
14
3
1
Select return unit state:
0=Off
1=Unoccupied
2=Stand-by
3=Occupied
RCPSettings.RegioControllerStateShutDown
15
1
1
Select shutdown state :
0=Off
1=Unoccupied
2=Stand-by
3=Occupied
RCPSettings.RegioControllerStatePresence
16
4
1
Presence operating mode:
3=Occupied
4=ByPass
RCPSettings.RegioControllerStateRemote
17
5
1
Is used for remote control:
0=Off
1=Unoccupied
2=Stand-by
3=Occupied
5=No remote control
RCPSettings.RegioControllerStateBypassTime
18
120
1
Time for Bypass mode (Min)
RCPSettings.RegioPresenceOffDelay
19
10
1
Off timer for changing to not presence (min)
RCPSettings.RegioPresenceOnDelay
20
0
1
On timer for changing to presence (min)
RCPSettings.RegioHeatOutputMinLimit
21
0
1
Min Limit for Heat Output
RCPSettings.RegioHeatOutputMaxLimit
22
100
1
Max Limit for Heat Output
RCPSettings.RegioHeat2OutputMinLimit
23
0
1
Min Limit for Heat Output
RCPSettings.RegioHeat2OutputMaxLimit
24
100
1
Max Limit for Heat Output
RCPSettings.RegioCool1OutputMinLimit
25
0
1
Min Limit for Cool Output
RCPSettings.RegioCool1OutputMaxLimit
26
100
1
Max Limit for Cool Output
98
Regio
Ardo
manual, Rev. D