A forum for topics related to the scope of Modicon PAC offers and ecosystem along the whole lifecycle: Modicon M580 and 340, EcoStruxure Control Expert, EcoStruxure Process Expert (Unity Pro) and more.
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Posted: 2025-02-0302:05 AM
Retain last counter value before power fail
As I find solution on internet they advise to uncheck initialize %MW on cold start and cold start then value will be retain but as I tested, I uncheck them and provide the counter value (output) to address %MW10 then reset power. After PLC back to online value set to 0.
Could you please recommend how to retain last value. (M580 P4040s)