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(8) SFC
TableApp.16 Precautions for replacement and replacement methods (SFC)
Item Precautions Replacement method Reference
Step transition
monitoring timer
The step transition monitoring timer is not
supported.
Change the program as described in
Appendix 3.1 in the manual in the
Reference column.
Section 4.6 and
Appendix 3.1 in the
QCPU (Q Mode)/
QnACPU Programming
Manual (SFC)
SFC operation mode
setting
The periodic execution block setting is not
supported.
Change the program as described in
Appendix 3.2 in the manual in the
Reference column.
Section 4.7.4 and
Appendix 3.2 in the
QCPU (Q Mode)/
QnACPU Programming
Manual (SFC)
An operation mode at double block START
cannot be selected. (Fixed to “WAIT”.)
---
Section 4.7.5 in the
QCPU (Q Mode)/
QnACPU Programming
Manual (SFC)
An operation mode at transition to active
step cannot be selected. (Fixed to
“TRANSFER”.)
---
Section 4.7.6 in the
QCPU (Q Mode)/
QnACPU Programming
Manual (SFC)
SFC program for
program execution
management
SFC programs for program execution
management are not supported.
---
Section 5.2.3 in the
QCPU (Q Mode)/
QnACPU Programming
Manual (SFC)
SFC control
instruction
Some SFC control instructions are not
supported.
SFC control instructions not supported in
the Universal model QCPU and
replacing methods are described in
Appendix 3.3.
• Appendix 3.3
• Section 4.4 in the
QCPU (Q Mode)/
QnACPU
Programming Manual
(SFC)
SFC comment
readout instruction
The following SFC comment readout
instructions are not supported.
• S(P).SFCSCOMR (SFC step comment
readout instruction)
• S(P).SFCTCOMR (SFC transition
condition comment readout instruction)
---
Section 4.8 in the
QCPU (Q Mode)/
QnACPU Programming
Manual (SFC)
Method of SFC
program change
SFC program files cannot be written to the
running CPU module. (Programs in SFC
Figure can be changed online.)
Write program data to the CPU module
after changing the Universal model
QCPU status to STOP.
Section 6.6 in the
QCPU (Q Mode)/
QnACPU Programming
Manual (SFC)