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mehrab

connect plc to hmi

Started by mehrab, 18 Jun 2016

3 posts in this topic

Posted 18 Jun 2016

hello . I change cpu of plc CQM1H and download program to new plc . plc is run .

but hmi ( nt31c) not connected to new plc

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Posted 18 Jun 2016

Check to make sure that the DIP switch settings on the new PLC are the same as the one you replaced.

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Posted 18 Jun 2016

Check system menu of NT31C to see what the communication protocol is. Then match PLC settings to the same.

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