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problem in plc cj2m-cpu12

 
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abousna
Junior
Junior


Joined: 09 Mar 2019
Posts: 1
PostPosted: 09/03/2019 14:43    Post subject: problem in plc cj2m-cpu12 Reply with quote
hello dears
I have a machine with plc cj2m-cpu12
suddenly the machine stop running and plc error led flashing as shown in the video
https://youtu.be/zMe5YTh2qzA
please advise me ??
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TatumO
Junior
Junior


Joined: 04 Jul 2018
Posts: 3
PostPosted: 09/03/2019 17:05    Post subject: Reply with quote
As I see the ERH and RUN indicators on the Deosebit I/O Unit are lit.

In that case the singular I/O refreshing is not being performed for the Unit from the CPU Unit (CPU Unit monitoring error).
Remedy:
Change the bit corresponding to the unit number to 0 to enable cyclic refreshing, or make sure that the Unit is refreshed from
the program using IORF or FIORF at least once every 11 s.
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