Energy counters
7.4 Resetting energy counters and overflow counters
Analog input module AI Energy Meter 480VAC ST (6ES7134-6PA20-0BD0)
Manual, 12/2015, A5E36061895-AA
49
Procedure at module version with 12 bytes of output data
1. Set the category of the energy counters (active, reactive, apparent energy) to 1 in Control
byte 2 via Bit 0 to 2 (in Byte 1, 6, 8 or 10 of the output data).
2. Set the reset bit (Bit 7) in Control byte 1 from 0 to 1 through an edge change (in Byte 2, 7,
9 or 11 of the output data).
Image 7-3 Resetting the energy counters at module version with 12 bytes of output data
Procedure at module version with 2 bytes of output data
Set the reset bit (Bit 7) in Control byte 1 from 0 to 1 through an edge change.
Image 7-4 Resetting the energy counters at module version with 2 bytes of output data
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, see section
Resetting energy counters and overflow counters via data record DS 143 (Page 50).
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