Owen Brothers (OB737) 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
16
Oltage lv
V
single
18
Voltage L2
V
single
20
Voltage L3
V
single
78
Frequency
Hz
single
80
Current L1
A
single
82
Current L2
A
single
84
Current L3
A
single
86
Current neutral
A
single
88
Current total
 
single
144
Power L1
kW
single
146
Power L2
kW
single
148
Power L3
kW
single
150
Power total
kW
single
208
Apparent power
kVA
single
210
Apparent power L2
kVA
single
212
Apparent power L3
kVA
single
214
Apparent power total
kVA
single
272
Reactive power L1
kvar
single
274
Reactive power L2
kvar
single
276
Reactive power L3
kvar
single
278
Reactive power total
kvar
single
336
Power factor li
 
single
338
Power factor L2
 
single
340
Power factor L3
 
single
342
Power factor total
 
single
352
Import active energy
KWh
single
354
Import reactive energy
KWh
single
358
Export active energy
KWh
single
360
Export reactive energy
KWh
single
1560
Total energy
kWh
single
2048
Import active energy
KWh
single
2304
Export active energy
KWh
single
1792
Total active energy
kWh
single
2560
Import reactive energy
Kvarh
single
2816
Export reactive energy
kvarh
single
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