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rob_m

Unity, EBool, Latched coils

Started by rob_m, 15 Sep 2007

1 post in this topic

Posted 15 Sep 2007

I have to convert a 984 PLC to Unity and have the following problem. 1. In Modsoft are 2 types of coils, normal and latched. Normal coils go zero at startup of the PLC, no matter of their values before shutdown. Latched coils keep their last value before shutdown. I do not see a latched coil in Unity. How do I make normal and latched coils in Unity? 2. What is the difference between Bool and EBool variables and how to use them in Unity? Are they interchangeable? When is it allowed to use each of the types. And more important, When is it Not allowed to use each type? Regards, Robert

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