Mitsubishi Q Series Programming Guide

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6 SFC PROGRAM EXECUTION
MELSEC-Q
6.4.2 Step END (deactivate) methods
Steps can be ended (deactivated) by the methods shown below.
END Method Operation Remarks
• The step is automatically ended by the system
when the transition condition associated with the
corresponding step is satisfied.
Ended when condition is satisfied.
Transition condition
• Basic operation of SFC program
• When the step attribute has been specified,
operation is performed according to the
attribute.
END by SFC diagram
symbol
• Set the step to a reset step as the step attribute
and specify the step number to be ended.
n
S10
Step No. to be ended
R
• Convenient for ending the HOLD step when
the machine operation condition is satisfied
during SFC program execution, when a
transition to the error processing step is
performed by selection branch, for example.
• The step number to be ended can be specified
in only the same block.
END by SFC control
instruction
• The specified step is forcibly ended by the SFC
control instruction at the step (operation output)
of the SFC program or in another sequence
program.
Condition
n is the step No.
rSn
Condition
m is the block No., n is the step No.
rBLm\Sn
• The steps in different blocks can also be
ended.
• The block is ended when all steps of the
corresponding block are deactivated by the
RST instruction.

Mitsubishi Q Series Specifications

General

Brand	Mitsubishi
Model	Q Series
Category	Control Unit
Language	English