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Am I getting the input to the PLC?
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The Led on the output card means i am getting voltage out right? does it?
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What exactly happens in between? ,theres more than just a program in the CPU
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How exactly does it scan the program?
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What is this Watchdog Timer? Is it that important?
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Can I use the same output twice? That's bad programming isn't it?
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A PLC is a logic controller, so use a logical approach to fault find it.
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What are the 8 simple test points to check?
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The PLC is in RUN, that means theres a program right? does it?
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FORCING a bit and toggling a bit is pretty much the same yeah? depends on which PLC
