2/25/2025 2:00 AM | |
Joined: 1/13/2025 Last visit: 6/2/2025 Posts: 2 Rating:
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Please I need help in this issue, on TIA Portal, I use CPU 1516, and I have charts in FBs, when ever the power cycles, or I go from stop to run, the sequences reinitialises everytime, I tried to do every possible solution I found on the internet and the forum, I also tried to remove all the inputs and keep on the EN, but all the time the sequence reinitialise on the cycle. Please I need help ------------------------------------------------------------------------------------------ |
Last edited by: Moderator_Lan at: 02/25/2025 08:17:51New subject after splitting |
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2/27/2025 10:32 PM | |
Joined: 7/7/2010 Last visit: 9/16/2025 Posts: 16106 Rating:
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Make the sequence state DB / tag retained. At PLC startup, in OB100 (Startup OB), add code to retrieve the retained state and assert the appropriate state for your sequence - which very well may need adjustment after a power cycle or PLC stop/start.
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science guy |
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