Chint Power (CPS) data logger - MODBUS registers map


This data is being extracted with the help of the Advanced Serial Data Logger (MODBUS RTU,ASCII) or Advanced TCP/IP Data Logger (MODBUS TCP) software only. It may not applicable for other software titles.

MODBUS offset
Description
Units
Data type
27
Maximum active ac power during the day
kW
word
29
Active ac power reading
kW
word
30
Apparent ac power reading
kVA
word
31
Grid voltage uab
V
word
32
Grid voltage ubc
V
word
33
Grid voltage uca
V
word
34
Grid A phase current
A
word
35
Grid B phase current
A
word
36
Grid C phase current
A
word
37
Dc voltage, mppt zone 1
V
word
38
Dc current, mppt zone 1
A
word
39
DC2 voltage, mppt zone 2
V
word
40
DC2 current, mppt zone 2
A
word
43
Grid frequency
Hz
word
44
Power module heatsink temperature
C
smallint
45
Internal inverter temperature
C
smallint
47
Inverter operation state
 
word
48
Error timestamp
 
int64
52
Permanent fault (pfault)
 
word
53
Warning alarm register
 
word
54
Fault0 alarm register
 
word
55
Fault1 alarm register
 
word
56
Fault2 alarm register
 
word
57
Fault3 alarm register (23 36kw only)
 
word
58
Fault4 alarm register (23 36kw only)
 
word
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