tuning parameters locked
I ask for your help please
Are you able to read values from the logic, but not the specs?
Any errors when trying to modify specs or opening CLD?
Some initial possible causes if you are able to read values:
- Have you performed an status report on the controller? If it have memory errors you might not be able to change specs until the memory error has been fixed.
- How is function code 82 S2 configured? Have perhaps tuning been disabled in the function code?
From the photo and your explanation it looks like you missing the spec pop-up dialog (called "ENH"), is that correct?
Have you tried manually editing S1 by using your keyboard instead?
(0 = Normal, 1 = Hold previous value, 2 = force logic output to logic 0 and 3 = force logic output to logic 1)
If even manually edited spec is not written to the controller there could be something wrong with the controllers memory.
You should then look into the previous comments about doing an status report.