What are the various possible cause of Cold start for M340 PLCs.
Following are the different possible causes of a cold start:
- Loading of an application
- Restore application from memory card, when the application is different from the one in internal RAM
- Restore application from memory card, with Unity Pro commands PLC → Project backup → ....
- RESET button pressed on supply
- RESET button pressed on supply less than 500ms after a power down
- RESET button pressed on supply after a processor error, except in the case of a watchdog error
- Initialization from Unity Pro by Forcing the system bit %S0
- Restoral after power supply outage with loss of context
Released for: Schneider Electric India
