Moves a literal constant or the value of one data register into another register.
The front panel of the FA2J CPU contains several diagnostic LED status indicators. Monitoring these lights is the fastest way to troubleshoot a malfunctioning system. LED Status Reference Table Meaning / Action Required Internal power supply is healthy. Check primary AC/DC input power, check internal fuse. RUN CPU is executing the ladder program. CPU is in STOP mode or has encountered a fatal error. ERROR Red (Solid) idec plc fa2j manual