PLC Training. Forcing and toggling 

Thank you for your video. I was about to toggle a bit without cross-referencing it first.

You can toggle integers at the bit level if they are not being actively written to in the program. Like recipe parameters used for current job. They get written in once as job is loaded to run.

I only force inputs and never force outputs. Forcing an output can bypass 40 required safety conditions that are not met. I would rather find which inputs i dont have on. Correct any correctable issues. Search out all uses in the program with a "find all" so you know exactly what it affects. Then decide between forcing the input if other uses wont cause an issue or branch around it using test mode.

very good points, have had to toggle inputs in the PLC to unlatch a bit

You can’t toggle actual inputs (i.e I:1, I:2) you can toggle binary bits (B:1, B:2)

Thanks for posting. Great info.

How to fix i/o not responding?

kokyd