Issue
Forced variables will remain stored within the controller even when it is disconnected. This persistence ensures that the forced states are retained and can be reactivated when the controller is reconnected. The persistence of forced variables can occur at any point within your program's logic.
How can I find the forced bits for my Modicon M580 controller?
Resolution
There are 4 ways to locate your forced bits:
- LED Front Panel Display of the M580 CPU
- Status Bar of the EcoStruxure Control Expert
- Hardware Information Tab
- Controller’s System Words
- M580 Safety System Word
Disclaimer
The views and opinions expressed in this article are those of the author(s) and do not necessarily reflect the official policy or position of Schneider Electric.
