Mitsubishi Electric MELSEC-Q00U(J)CPU

512
(8) SFC
*1 This operation is available for the Universal model QCPU other than the Q00UJCPU, Q00UCPU, Q01UCPU, and
Q02UCPU and whose serial number (first five digits) is "12052" or later.
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 MELSEC-
Q/L/QnA 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 MELSEC-
Q/L/QnA Programming
Manual (SFC)
To select an operation mode at double block
START, the Universal model QCPU whose serial
number (first 5 digits) is "12052" or later must be
used.
An operation mode at double block START is
fixed to "WAIT" when the Universal model
QCPU whose serial number (first 5 digits) is
"12051" or earlier is used.
Section 4.7.5 in the
MELSEC-Q/L/QnA
Programming Manual
(SFC)
An operation mode at transition to active step
cannot be selected. (Fixed to "TRANSFER".)
---
Section 4.7.6 in the
MELSEC-Q/L/QnA
Programming Manual
(SFC)
SFC program for
program execution
management
SFC programs for program execution
management are not supported.
---
Section 5.2.3 in the
MELSEC-Q/L/QnA
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 Page 518, Appendix 5.3.
• Page 518, Appendix 5.3
• Section 4.4 in the
MELSEC-Q/L/QnA
Programming Manual
(SFC)
SFC comment readout
instruction
To use the following SFC comment readout
instructions, the Universal model QCPU whose
serial number (first 5 digits) is "12052" or later
must be used.
• S(P).SFCSCOMR (SFC step comment readout
instruction)
• S(P).SFCTCOMR (SFC transition condition
comment readout instruction)
---
Section 4.8 in the
MELSEC-Q/L/QnA
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.
• An inactive block in an SFC program can be
changed by online change of inactive
block.
*1
Section 6.6 in the
MELSEC-Q/L/QnA
Programming Manual
(SFC)