Mitsubishi Electric MELSEC iQ-R Series Programming Manual page 125

■ Precautions
• The following table shows the restart operation after the set block is deactivated.
Set block
Block 0 When the start conditions setting of is
"Auto-start block 0" in the SFC setting of
the CPU parameter.
When the start conditions setting of is "Do
not auto-start block 0" in the SFC setting of
the CPU parameter.
Other than block 0
• When the SFC program ends, all block START/END bits that have been set in the SFC information devices are turned off.
However, only when a resume start is enabled with the resume start setting, all block START/END bits are restored when
the SFC program starts.
• If the online change (inactive SFC block) is being executed in a block where the block start/end bit is turned on, the
operation to start the block is ignored. Do not turn on the block start/end bit while the online change (inactive SFC block) is
being executed.
Description
Operation is restarted from the initial step following end step processing.
The block is deactivated after end step processing, and processing is restarted from the initial step
when another start request occurs for that block.
8 SFC PROGRAM
8.4 SFC Information Devices
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