Operation Manual

BMS - pCO5 1309 5806600_00

Digital variables

R= Command code Modbus =1

R/W = Command code Modbus = 5

Modbus address Description R/W

1 Unit On/Off R

2 Summer/Winter request from Supervisor R/W

3 Alarms reset (1= reset) R/W

4 System switch-on request from digital input R

5 System cold/hot request from digital input (closed=Cold) R

6 Recovery switch-on request from digital input R

7 R/W

8 R/W

9 Recovery On/Off from Superv. R/W

10 System On/Off from Superv. R/W

11 R/W

12 Cold regulation on fixed set (0) or climatic curve (1) R/W

13 Winter regulation on fixed set (0) or climatic curve (1) R/W

14 Recovery regulation on fixed set (0) or climatic curve (1) R/W

15 Enables system pump R/W

16 Enables recovery pump R/W

17 R/W

18 On/Off General System R/W

21 Enab. Recovery differential auto calculation R/W

28 Active recovery low load function R

29 Active system low load function R

30 Evaporator pump 1 R

31 Evaporator pump 2 R

34 Recovery pump 1 R

35 Recovery pump 2 R

36 CCP1 - Circ.1 compressor 1 R

37 CP1A - Circ.1 compressor 2 R

38 CCP1B - Circ.1 compressor 3 R

39 CCP2 - Circ.2 compressor 1 R

40 CCP2A - Circ.2 compressor 1 R

41 CCP2B - Circ.2 compressor 3 R

42 CV - Fan 1 R

43 CV1 - Fan 2 R

44 VIC- cycle inversion valve, Circ 1 R

45 VIC- cycle inversion valve, Circ 2 R

46 VS2 - circ.1 liquid solenoid valve 1 R

47 VS2 - circ.2 liquid solenoid valve 1 R