Mitsubishi Electric MELSEC-Q Series Programming Manual page 52

Block STOP processing
Make a block STOP using the STOP/RESTART bit of the SFC information devices or the block STOP instruction of the SFC
control instructions. The processing of the active step in the block where a block STOP was made is as described below.
■When the "block STOP-time operation output flag (SM325)" is OFF (coil output OFF)
• The step becomes inactive when the processing of the corresponding block is performed first after a block STOP request.
• All coil outputs turn OFF. However, the coils turned ON by the SET instruction remain ON.
■When the "block STOP-time operation output flag (SM325)" is ON (coil output held)
The coil outputs remain ON during a block STOP and after a block RESTART.
4 SFC PROGRAM CONFIGURATION
50
4.2 Steps