Siemens SIMATIC ET 200SP Manual page 45

4. Transfer the data record with the WRREC instruction.
Figure 7-6
Start values
You specify the moment for the application of the start values in Control byte 1 via Bit 7.
After the reset the energy counters count with the specified start values (default = 0). You
can change the start values for the energy counters via data record DS 143.
Analog input module AI Energy Meter 400VAC ST (6ES7134-6PA01-0BD0)
Manual, 10/2017, A5E36061895-AB
Energy counter control information DS 143
Energy counters
7.4 Reset energy counter
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