143
MODBUS registers
10. MODBUS registers
10.1 Controls
Address
register
Meaning Description
0 ON/OFF
bit15 Reserved
bit14 Reserved
bit13 Reserved
bit12 Reserved
bit11 Reserved
bit10 Reserved
bit9 Reserved
bit8 Reserved
bit7 Reserved
bit6 Reserved
bit5 Reserved
bit4 Reserved
bit3 0= o (T2S); 1= on (T2S) (WATER FLOW TEMP control - zone
2)
bit2 0= DHW (T5S) o; 1= DHW (T5S) on
bit1 0= o (T1S); 1= on (T1S) (WATER FLOW TEMP control - zone 1)
bit0 0= o (TS) 1= on (TS) (ROOM TEMP thermostat control)
1 Operation mode 1: auto; 2: Cooling ; 3: heating ; other value: invalid
2 Set water temp. T1s
bit8-bit15
Water temp. T1s setting for ZONE 2
bit0-bit7 Water temp. T1s setting for ZONE 1
3 Set air temperature Ts
Room temperature setting, when a valid Ta is present, 17°C ~ 30°C
transmission value equal to actual value * 2; 35 is transmitted, e.g.17.5°C
4 T5s
Storage tank water temperature setting, 20°C ~ 60/75°C (EDGE A with
AHS can be set at 75°C, other unit at 60°C) Default =50°C
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