AccuEnergy brand meter amperage readings are lower than expected when read by Modbus

sdo

Member
Certain AccuEnergy meters like the Acuvim II present data over Modbus by default based on the secondary side of the CT measurement. To have the meter display the primary side measurements that would align with the amperage readings from the LCD of the meter, locate the Basic Parameter Mode or similar setting to change the presentation of the data when read via Modbus.

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Example from their manual on where this setting resides in the Acuvim II.
 

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