Crash in Controller PM86*
What's the meaning "Crash" in controller PM86*?
What's difference between Crash and shutdown in controller PM86*?
In simple words
Crash: due to internal memory error controller will loose all running programs so that all ur I/O especially Outputs will go to the default state means all 0 irrespective of ur osp settibgs.
Fault:due to firmware micmatch or not properly connected this may happen then at this condition all ur I/O will go the setted osp settings so no prob in field means remains at their last value or at osp value