Larsen Toubro (Vega) logging - MODBUS registers map
The following data can be automatically logger 24x7 to a database, CSV files or Excel with the help of the Advanced Serial Data Logger (for MODBUS RTU) or Advanced TCP/IP Data Logger (for MODBUS TCP) software.
MODBUS offset
Description
Units
Data type
256
Voltage lower limit (vl) (9.6<vl<vu)
word
257
Voltage upper limit (vu) (vl<vu<264)
word
258
Current lower limit (cl) (0.1<cl<cu)
word
259
Current upper limit (cu) (cl<cu<5.867)
word
260
Frequency lower limit (fl) (40<fl<fu)
word
261
Frequency upper limit (fu) (fl<fu<70)
word
12
Active power R phase
dword
14
Active power R phase
word
15
Active power Y phase
dword
17
Active power Y phase
word
18
Active power B phase
dword
20
Active power B phase
word
21
Reactive power R phase
dword
23
Reactive power R phase
word
24
Reactive power Y phase
dword
26
Reactive power Y phase
word
27
Reactive power B phase
dword
29
Reactive power B phase
word
30
Apparent power R phase
dword
32
Apparent power R phase
word
33
Apparent power Y phase
dword
35
Apparent power Y phase
word
36
Apparent power B phase
dword
38
Apparent power B phase
word
39
Power factor R phase
dword
41
Power factor Y phase
dword
43
Power factor B phase
dword
45
Total active power
dword
47
Total active power
word
48
Total reactive power
dword
50
Total reactive power
word
51
Total apparent power
dword
53
Total apparent power
word
54
Total power factor
dword
64
Average phase voltage
dword
66
Average phase current
dword
68
R phase voltage harmonic
dword
70
Y phase voltage harmonic
dword
72
B phase voltage harmonic
dword
74
R phase current harmonic
dword
76
Y phase current harmonic
dword
78
B phase current harmonic
dword
80
Phase difference R voltage and current
dword
82
Phase difference Y voltage and current
dword
84
Phase difference B voltage and current
dword
86
Voltage unbalance R phase
dword
88
Voltage unbalance Y phase
dword
There are more MODBUS items for this device. Please download the program to discover all registers.
