Carlo Gavazzi EM21 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
V l2-n
Volt
integer
4
V l3-n
Volt
integer
6
V l1-l2
Volt
integer
8
V l2-l3
Volt
integer
10
V l3-l1
Volt
integer
12
A l1
Ampere
integer
14
A l2
Ampere
integer
16
A l3
Ampere
integer
18
W l1
Watt
integer
20
W l2
Watt
integer
22
W l3
Watt
integer
24
Va l1
VA
integer
26
Va l2
VA
integer
28
Va l3
VA
integer
30
Var l1
var
integer
32
Var l2
var
integer
34
Var l3
var
integer
36
V l-n
Volt
integer
38
V l-l
Volt
integer
40
W
Watt
integer
42
Va
VA
integer
44
Var
var
integer
46
Pf l1
 
smallint
47
Pf l2
 
smallint
48
Pf l3
 
smallint
49
Pf
PF
smallint
50
Phase sequence
 
smallint
51
Hz
 
smallint
52
Kwh(+) tot
kWh
integer
54
Kvarh(+) tot
kvarh
integer

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