Eastron (SDM120) data logging - 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
Current
Amps
single
12
Active power
Watts
single
18
Apparent power
VA
single
24
Reactive power
VAr
single
30
Power factor
None
single
70
Frequency
Hz
single
72
Import active energy
kWh
single
74
Export active energy
kWh
single
342
Total active energy
kWh
single

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