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CP1H Modbus issues

Started by Michael Walsh, 15 Jun 2020

cp1h
modbus

1 post in this topic

Posted 15 Jun 2020

From @Janaka Angampitiya:

Hello,

I have Three CP1H PLC with Cj1w scu31-v1. I need to send a Modbus command SCU unit through Modbus RTU compatible power meter. I use instruction TXDU and CMND but it's not working.

My PLC Arrangement

CP1H PLC - CP1H-X40DT1-D ver. 1.3

Option Board 1 mounted Cp1w-CI41 to NB HMI its work

Option Board 2 Mounted CP1W-CIF12-V1 to PLC 1, PLC 2 and PLC 3 between communication Serial gateway mode it is work.

CJ1W SCU31-V1 (ver.1.3) and Modbus compatible Power meter it's not working. Please help to how to connected and what is the use of instructions for this case.

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