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Communicating via Modbus RTU to Acuvim II power meter

Trying to monitor Modbus registers in an Accuenergy Acuvim II power meter. Serial comms (RS485 to USB converter) looks to be established to the device at address 2, but no luck in getting values in test tag. Not sure I have the address represented correctly. Device support doc shows the info below. Comms possible? Suggestions?

Acuvim II modbus map

Trying to monitor Modbus registers in an Accuenergy Acuvim II power meter. Serial comms (RS485 to USB converter) looks to be established to the device at address 2, but no luck in getting values in test tag. Not sure I have the address represented correctly. Device support doc shows the info below. Comms possible? Suggestions? [Acuvim II modbus map](https://www.accuenergy.com/support/modbus-map/)
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