Eastron (SDM120) data logging - MODBUS registers map
The data can be automatically logged 24/7 into a database, CSV files, or Excel spreadsheets using the Advanced Serial Data Logger (for MODBUS RTU) or Advanced TCP/IP Data Logger (for MODBUS TCP) software. These tools provide continuous and reliable Eastron (SDM120) data logging and read.
MODBUS offset
Description
Units
Data type
12
Active power
Watts
single
24
Reactive power
VAr
single
72
Import active energy
kWh
single
74
Export active energy
kWh
single
342
Total active energy
kWh
single
