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App - 70
Appendix 3.5.2 Special register list
TableApp.42 lists the special register not supported in the Universal model QCPU and measures to be
taken
(To the next page)
TableApp.46 Special register not supported in the Universal model QCPU and measures
Number Name/Description Measures
SD80 CHK number
The Universal model QCPU does not support the CHK instruction. For the replacing
method of the CHK instruction, refer to Appendix 3.3.
SD90
Step transition monitoring timer
setting value
The Universal model QCPU does not support the step transition monitoring timer
function. For the replacing method of this function, refer to ”Appendix 3. Restrictions
and replacing method of the Basic model QCPU and Universal model QCPU" in the
QCPU (Q Mode)/QnACPU Programming Manual (SFC).
SD91
SD92
SD93
SD94
SD95
SD96
SD97
SD98
SD99
SD130 to
SD137
Fuse blown module Replace SD130 to SD137 with SD1300 to SD1307.
SD150 to
SD157
I/O module verify error Replace SD150 to SD157 with SD1400 to SD1407.
SD245
No. of base slots (Mounting status) Replace SD245 and SD246 with SD243 and SD244, respectively.
SD246
SD280
CC-Link error
Replace these registers with the I/O signals (Xn0, Xn1, and XnF) of the mounted CC-
Link module.
SD281
SD315
Time reserved for communication
processing
Service processing setting is available for the Universal model QCPU on the PLC
system setting tab of the PLC parameter dialog box.
Select "Specify service process time." for the service processing setting parameter
and set the service processing time. Other setting methods can be selected as well.
SD394 CPU mounting information
• Check the type and model of other CPU modules mounted on the System monitor
screen of GX Developer.
• Check the mounting status of other CPU modules in SD396 to SD398.
SD430 Low-speed scan counter
The Universal model QCPU does not support low-speed execution type programs.
Delete the corresponding sections or replace them with the special register for scan
execution type programs (SD420).
SD510
Low-speed execution type program
number
The Universal model QCPU does not support low-speed execution type programs.
Delete the corresponding sections or replace them with the special register for scan
execution type programs (SD500).
SD528
Current scan time for low-speed
execution type programs
The Universal model QCPU does not support low-speed execution type programs.
Delete the corresponding sections or replace them with the special register for scan
execution type programs (SD520 and SD521).
SD529
SD532
Minimum scan time for low-speed
execution type programs
The Universal model QCPU does not support low-speed execution type programs.
Delete the corresponding sections or replace them with the special registers for scan
execution type programs (SD524 to SD527).
SD533
SD534
Maximum scan time for low-speed
execution type programs
SD535
SD544
Cumulative execution time for low-
speed execution type programs
The Universal model QCPU does not support low-speed execution type programs.
Delete the corresponding sections.
SD545
SD546
Execution time for low-speed
execution type programs
The Universal model QCPU does not support low-speed execution type programs.
Delete the corresponding sections.
SD547