CHINT smart meter DDSU666

I have an energy meter DDSU666.004.0006Single phase electronic energy meter that i am trying to get connected and read values using the contrib-modbus version 5.26.0.
Has anyone come across this before?
The addresses provided by manufacturer do not return any values.

Modbus energy Meter.pdf (688.1 KB)

It is a 485 meter,so why you use TCP?

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