Selec (MFM374) 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
Voltage v2n
 
single
4
Voltage v3n
 
single
6
Average voltage ln
 
single
8
Voltage V12
 
single
10
Voltage V23
 
single
12
Voltage V31
 
single
14
Average voltage ll
 
single
16
Current I1
 
single
18
Current I2
 
single
20
Current I3
 
single
22
Average current
 
single
24
kW1
 
single
26
kW2
 
single
28
kW3
 
single
30
Kva1
 
single
32
Kva2
 
single
34
Kva3
 
single
36
Kvar1
 
single
38
Kvar2
 
single
40
Kvar3
 
single
42
Total kw
 
single
44
Total kva
 
single
46
Total kvar
 
single
48
PF1
 
single
50
PF2
 
single
52
PF3
 
single
54
Average pf
 
single
56
Frequency
 
single
58
Kwh
 
single
60
Kvah
 
single
62
Kvarh
 
single
1
Nm selection
 
word
3
Ct primary (ct secondary = 5)
 
word
5
Pt primary
 
word

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