CET (PMC-43) 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
2
VB1
V
dword
4
VC1, 2
V
dword
6
VLN average1
V
dword
8
Vab
V
dword
10
Vbc2
V
dword
12
Vca2
V
dword
14
VLL average
V
dword
16
Ia
A
dword
18
Ib
A
dword
20
IC2
A
dword
22
I average
A
dword
24
kWa1
kW
integer
26
kWb1
kW
integer
28
kWc1, 2
kW
integer
30
kW
kW
integer
32
Kvara1
 
integer
34
Kvarb1
 
integer
36
Kvarc1, 2
 
integer
38
Kvar
 
integer
40
kVAa1
kVA
integer
42
kVAb1
kVA
integer
44
kVAc1, 2
kVA
integer
46
kVA
kVA
integer
48
P.F.a1
 
smallint
49
P.F.b1
 
smallint
50
P.F.c1, 2
 
smallint
51
P.F
 
smallint
52
FREQ
Hz
word
53
I4*, 2
 
dword
55
Voltage unbalance*, 4
 
word
56
Current unbalance*, 4
 
word
98
SOE pointer#, 6
 
dword
100
kWh import
kWh
dword
102
kWh export
kWh
dword
106
Kvarh import
kvarh
dword
108
Kvarh export
kvarh
dword
112
kVAh
 
dword
718
Va THD
 
word
719
Vb THD
 
word
720
Vc THD*, 1
 
word
721
Ia THD
 
word
722
Ib THD
 
word
723
Ic THD*, 1
 
word
1010
CT ratio1
 
word
1011
Wiring mode
 
word
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