ibraba

P_Off flag

5 posts in this topic

Hello to all; thank you for this very interesting website. I was just reading a programm of a machine and I noticed the " P_Off" flag preceding a MOV instruction. I wander how a falg which is always Off can activate an output. Can someone tell me how this flag work? or a doc which describe the behavioural of this flag. Hope to read you soon Best regards.

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Hi, thanks for your soon reply then, how the MOV instruction will activate? Look at this link
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The chances are that someone inserted the P_Off contact to disable that MOV instruction. My guess would be it is a leftover line from initial testing.

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Hello sir Thank you for your reply That's clear now Thank you so much Best regards

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