Operation At Program Change - Mitsubishi MELSEC-Q Series Programming Manual

6 SFC PROGRAM EXECUTION

6.6 Operation at Program Change

SFC programs of the CPU module can be changed by executing any of the following functions.
• Write to PLC (write in file unit)
• Online change (write in ladder block unit)
• Online change (inactive block)
The following table lists changes that can be made to the SFC programs by executing each
function above.
Change Type
SFC program addition
SFC block addition/deletion
Step/transition
addition/deletion
SFC diagram
Transition destination
change
change
Step attribute change
SFC
Operation output
block
sequence program
change
Change in change
SFC diagram
Transition condition
sequence program
change
Block data change
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*1
Function Program Change by Write to PLC
PAUSE/STOP
status
POINT
1: For the L02(S)CPU, L02(S)CPU-P, and the LCPU whose serial number (first
five digits) is "15101" or earlier, online change (inactive block) cannot be
performed.
2: This function can be executed only when a CPU module and programming tool
are used in the following combination.
CPU module
High Performance model QCPU
(whose first five digits of serial No. are "04122" or later)
Process CPU
(whose first five digits of serial No. are "07032" or later)
Redundant CPU
3: The Universal model QCPU and LCPU do not support the use of this function
in the RUN status.
4 : This function can be executed only when a CPU module and GX Works2 are
used in the following combination.
Program
*2*3 Change by
RUN status
Online Change
Version 8.18U or later
Online change
(inactive block)
*4
*4
*4
: Possible, : Impossible
Programming tool
GX Developer
Version 8 or later,
GX Works2
GX Developer
Version 8 or later
GX Developer
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