12
TROUBLESHOOTING
12.2 Troubleshooting
12.2.23 Flowchart for when comments cannot be read at the execution of S(P).SFCSCOMR and
12 - 29
9
EMC AND LOW
VOLTAGE
DIRECTIVES
10
LOADING AND
INSTALLATION
11
MAINTENANCE AND
INSPECTION
12
TROUBLESHOOTING APPENDICES INDEX
(From previous page)
Completed
YES
YES
YES
YES
NO
NO
NO
NO
NO
YES
Does a
comment file which
has the same name as the
SFC program file exist in
the target memory?
Create a comment file which has the same
name as the SFC program file and store it
in the target memory.
Check the activated SFC block with the
"All block batch monitor" of GX
Developer.
Is the "Comment
file used in a command"
setting of the "PLC file setting" of
the PLC parameter the "Use
the same file name as
the program"?
Can the
comment of active step or
the comment of transfer
condition associating
with active step
be read?
Switch the power from OFF to ON or
reset, after writing the PLC parameter.
Is the block
specified with the
SP.SFCSCOMR and
SP.SFCTCOMR instructions
activated?
Does
an activated step
exist in the block specified
with the SP.SFCSCOMR
and SP.SFCTCOMR
instructions?
Check the active step in the block
specified with the SP.SFCSCOMR and
SP.SFCTCOMR instructions on "Active
step monitor" of GX Developer.
Confirm that the comment of the activated
step or the comment of transfer condition
associating with the activated step can be
read.
Correct the block specified with the
instruction or review the executing
condition of instruction. (The comment of
the active step or the comment of transfer
condition associating with the active step
cannot be read, since the block specified
with the instruction is not activated.)
Review the executing condition of
instruction. (The comment of the active
step or the comment of transfer condition
associating with the active step cannot
be read, since no activated step exists in
the block specified with the instruction.)
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