Publication 1747-UM011G-EN-P - June 2008
System Installation Recommendations 71
SLC 500 Operation with 24V dc User Power Overcurrent Condition
Power Supply Cat. No. SLC Operation Recovery Procedure
1746-P1 series A (made in Japan) power supply shutdown, CPU fault Reload user program
1746-P1 series A (made in Malaysia -
current production)
24V dc user shutdown, CPU continues Correct overcurrent condition
1746-P2 series A and B power supply shutdown, CPU fault Reload user program
1746-P2 series C 24V dc user shutdown, CPU continues Correct overcurrent condition
1746-P4 series A power supply shutdown, CPU fault Reload user program
1746-P5 series A 24V dc user shutdown, CPU continues Correct overcurrent condition
1746-P6 series A 24V dc user shutdown, CPU continues Correct overcurrent condition
ATTENTION
For 1746-P1 (made in Malaysia), 1746-P2 series C, 1746-P5
series A, and 1746-P6 series A power supply, to avoid
unexpected operation due to 24V dc user power shutdown,
monitor the 24V dc user output with a 24V dc input channel.
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