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12.3 Coils Register
Variable address
Description
Minimum fan speed. The fan runs at least at speed 1, except in Off state.
1
0 = Not Active
Mould protection
2
0 = Not Active
3-9
Not used
NC/NO for terminal DI
10
0 = NO 1 = NC
11-14
Not used
NC/NO for terminal Heat
15
0 = NO 1 = NC
NC/NO for terminal Cool
16
0 = NO 1 = NC
12.4 Input Register
Variable address
Description
1
Regin Model number (= 1715)
2-3
Not used
Status
4
0 = Beta status
1 = Released version
5-7
Not used
Heating/cooling mode 0 = Not used
8
1 = Heating
2 = Cooling
Controller state
0 = Off
9
1 = Not used 2 = Standby 3 = Not used
4 = Occupied
Room temperature
10
The current room temp, from the internal or the external sensor.
Change-over temperature or fan release temperature
11
The current change-over temperature. Shows NaN! if no sensor is connected.
12-19
Not used
Room temperature (internal)
20
The value from the internal temperature sensor.
Room temperature (external)
21
The value from the external temperature sensor. Shows a value if a temperature sensor is configured for Temp/AI, NaN!
otherwise.
Change-over temperature
22
The value from the external change-over temperature sensor. Shows a value if a change-over sensor is configured for
Temp/AI, NaN! otherwise.
23-24
Not used
AI Temp Raw
25
Raw value of the terminal (before any filters). Shows NaN! if no sensor is connected.
26
Not used
AI Temp
27
Value of the Analog input after filters and scaling. Shows NaN! if no sensor is connected.
28
Not used
Calculated setpoint
29
The setpoint for the controller (SP calc ), calculated from the basic setpoint, setpoint adjustment and hysteresis.
30-32
Not used
12.5 Holding Register
Variable address
Description
Basic setpoint (SP basic )
1
2
Hysteresis to calculate Heating and Cooling setpoint at Occupied state
3
Hysteresis to calculate Heating and Cooling setpoint at Standby state
4
DeltaT, temperature span for On/Off control
Controller mode
5
0 = 2-pipe
1 = 4-pipe
Fan control
0 = No fan control
6
1 = Fan is controlled by heat command 2 = Fan is controlled by cool demand
3 = Fan is controlled by both heat and cool demand
7-10
Not used
Number of fan speed used
1 = 1 fan speed is used
11
2 = 2 fan speeds are used
3 = 3 fan speeds are used
1 = Active
1 = Active
Unit
°C
°C
K
K
-
-
-
31
Scale
1
1
1
1
10
10
10
10
10
10
10
10
Default
Min
Scale
value
value
200
10
50
10
10
10
50
10
10
10
10
5
0
1
0
3
1
0
3
1
1
Max
value
500
400
400
100
1
3
3
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