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user3000
Joined:
2023-12-06 18:14:04.067000

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  • Posted a comment on discussion Codesys V2.3 πŸ‡¬πŸ‡§ on CODESYS Forge

    Here is my work-around FBD.

  • Posted a comment on discussion Codesys V2.3 πŸ‡¬πŸ‡§ on CODESYS Forge

    I came up with an FBD that seems to be working, although it may not be a true Retriggerable Pulse timer. There may be some delay associated with the two MOVE functions and ADD function I incorporated. I'd be interested if anyone is able to come up with something cleaner. I am surprised that this is not a built-in function block of the CodeSYS library. This is a common feature of multi-function timer relays. I also attached a page from the cut sheet of a Schneider relay that shows 10 timing functions....

  • Modified a comment on discussion Codesys V2.3 πŸ‡¬πŸ‡§ on CODESYS Forge

    Hello, For my program I need an extended pulse timer, which can be referred to as a retriggerable pulse timer. Where every rising edge of the input resets the elapsed time zero, extending the lenght of the output pulse. The Codesys pulse timer (TP) is a one-shot timer and only resets the elapsed time with the falling edge of the input. There is also a pulse timer (LTP) in codesys, but in my simulation it was also functioning as a one-shot even though the description sounds like LTP should be retriggerable....

  • Posted a comment on discussion Codesys V2.3 πŸ‡¬πŸ‡§ on CODESYS Forge

    Hello, For my program I need an extended pulse timer, which can be referred to as a retriggerable pulse timer. Where every rising edge of the input resets the elapsed time zero, extending the lenght of the output pulse. The Codesys pulse timer (TP) is a one-shot timer and only resets the elapsed time with the falling edge of the input. There is also a pulse timer (LTP) in codesys, but in my simulation it was also functioning as a one-shot even though the description sounds like LTP should be retriggerable....

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