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How to deal with this type of fault in a Siemens PLC400?

2019-02-23View Original

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Has anyone encountered this kind of malfunction? How was it resolved?
Reply #22019-02-23
It is recommended that you download the technical manual for this CPU from the official website
Reply #32019-02-25
There’s a problem with the hardware, or there’s a bug in the program.

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