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How to configure the A9MEM3/IEM energy meters modbus? Where to locate the modbus mapping of A9MEM3 energy meters***?

To communicate A9MEM**** / IEM**** energy meters with modbus communication using modbus:

1st Wire terminals D0 and D1 to terminals D0 and D1 of the serial modbus master.

2nd Configure the speed and parity data in the A9MEM.

1st wire terminals D0 and D1 and run them to terminals D0 and D1 of the serial modbus master.

IEM/A9MEM energy meter port modbus/Bacnet wiring

Image taken from the installation manual:

https://download.schneider-electric.com/files?p_enDocType=Instruction+sheet&p_File_Name=NHA15801-06.pdf&p_Doc_Ref=NHA15801

2 Configure the speed and parity data in the A9MEM / IEM energy meter

Modbus table

modbus tree

The modbus mapping of A9MEM meters can be found on:

Released for: Schneider Electric UK

Published on:06/11/2024Last Modified on:03/02/2026