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magnus84 asked

ET340 to RS485/USB

Hello,

i a massive problem with the installation of the ET340 (Energymeter) and RS485/USB.

I don't get any communication.

I used a 30 meter CAT6 cable as a connection.

How do I have to connect the interface to the meter now?

The pin assignment in the instructions and on the counter is different!

From USB/RS485, I used black (GND), yellow and orange.
Where do I connect this to the meter?
Can i use the RJ45 Plug?

Energy Meter
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1 Answer
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magnus84 answered ·
Problem solved
Errors in Description A and B have been swapped.
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