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PostPosted: Mon Sep 07, 2015 9:33 am 

Joined: Fri Apr 25, 2014 6:14 pm
Posts: 2
Dear Omron experts,
I have omron PLC in my machine. Model: CP1H.
I have bought a new one for spare the PLC.
So, I have uploaded the software from old one through CX-One software and downloaded to new one.
Everything work fine with new PLC but one Solenoid valve is not working. I have tried many ways. I have again install old one it's fully working but when I install new one with same program only that particular solenoid valve is not working.
My both PLC are looking 100% same and the program also 100% same.
Can anyone suggest me where is the problem?

( I have attached my program here.
Program download link: ...
For program: line 52 and 53 output: 101.00 and 101.01
is responsible for the solenoid coil that's not working properly)


PostPosted: Sun Sep 13, 2015 2:46 pm 

Joined: Wed Apr 30, 2014 9:16 pm
Posts: 81
Probably the output on the new PLC is faulty (I mean, at hardware level). You can write a short program to test all of the outputs.

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