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in my current project I have a button on my touchscreen. If this button is pressed, MB33 is set and afterwards MB 10 should be set too.
But, as you can see in the image below, the execution of the net stops before MB10.

Basicly I copied this structure out of this tutorial : https://www.youtube.com/watch?v=8RyFPPE3Hdk&feature=youtu.be&t=572

In the tutorial they use the same sequence of contact and coil to turn a "LED" on the touchscreen on and off.

Any ideas, why it doesnt work for me?


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  • MVP 2023
50 minutes ago, CobryWZL said:

An why turns MB33 red when its not called?

That is just something VisiLogic does when it's online with the PLC. It's not actually following the logic of your program - it is only checking the value of each operand and displaying it on the screen.

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