mechman02

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About mechman02

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    Hi, I am New!

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  1. When I am in the middle of a process, if power fails, are the values the in the controller at that time restored when power is restored? According to my little experience, the answer is no. The values that are restored are the values that were in the program at the time it was loaded into the controller. Is this correct, or am I overlooking something? I am using a ControLogix controller. Thanks.
  2. I have a need in my project to overwrite the PresentValue tag in my HSC card from the logic using a move instruction and the LoadPreset bit. I have been unable to do so thus far. Am I supposed to be able to do so? If so, what would prevent me? Thanks.