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APPEN-
DIX
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Appendix 3 Method of Replacing Basic Model QCPU or High Performance Model QCPU with Universal
Model QCPU
Appendix 3.5 Special Relay and Special Register
APPENDICES
App - 71
*1: The special register can be used if the serial number (first five digits)of the Universal model QCPU is "10042" or later.
TableApp.46 Special register not supported in the Universal model QCPU and measures (Continued)
Number Name/Description Measures
SD550
Service interval measurement
module
The Universal model QCPU does not support the service interval measurement
function. Delete the corresponding sections.SD551
Service interval time
SD552
SD720
Program No. specification for
PLAODP instruction
The Universal model QCPU does not support the PLAODP instruction. Delete the
corresponding sections.
SD1780
*1
Power supply off detection status
The Universal model QCPU does not store redundant power supply system
information in SD1780 to SD1783. Delete the corresponding sections. (SD1780 to
SD1783 are always off.)
SD1781
*1
Power supply failure detection status
SD1782
*1
Momentary power failure detection
counter for power supply 1
SD1783
*1
Momentary power failure detection
counter for power supply 1