564
*1 The special relay can be used if the serial number (first five digits) of the Universal model QCPU is "10042" or later.
SM1780
*1
Power supply off detection flag
The Universal model QCPU does not store redundant
power supply system information in SM1780 to
SM1783. Delete the corresponding sections. (SM1780
to SM1783 are always off.)
SM1781
*1
Power supply failure detection flag
SM1782
*1
Momentary power failure detection flag for power supply 1
SM1783
*1
Momentary power failure detection flag for power supply 2
Number Name/Description Measures
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