Mitsubishi Electric MELSEC-Q Series Programming Manual page 179

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Number
Name
SM324
Continuous transition
disable flag
SM325
Operation output at
block STOP
SM326
SFC device clear
mode
SM327
Output mode at end
step execution
SM328
Clear processing
mode at arrival at end
step
Meaning
Explanation
OFF: After transition
• OFF during operation in
ON: Before transition
the "with continuous
transition" mode or during
continuous transition, and
ON when not during
continuous transition.
• Always ON during
operation in the "without
continuous transition"
mode.
OFF: Coil output OFF
Select whether the coil
ON: Coil output ON
output of the active step will
be held or not at a block
STOP.
• As the default value, OFF
when coil output OFF is
selected for the output
mode at parameter block
STOP, and ON when coil
output held is selected.
• When this relay is OFF,
the coil outputs are all
turned OFF.
• When this relay is ON, the
coil outputs are held.
OFF: Clear device
Select the device status
ON: Preserves device
when the CPU is switched
from STOP to program write
to RUN. (All devices except
the step relay)
OFF: HOLD step output
When this relay is OFF, the
OFF
SC, SE or ST step that was
ON: HOLD step output
held when a transition
held
condition had been satisfied
turns OFF the coil output
when the end step is
reached.
OFF: Clear processing is
Select whether clear
performed
processing will be performed
ON: Clear processing is
or not when active steps
not performed
other than those held exist
in the block at the time of
arrival at the end step.
• When this relay is OFF,
the active steps are all
ended forcibly to end the
block.
• When this relay is ON, the
execution of the block is
continued as is.
• When no active steps
other than those held exist
at the time of arrival at the
end step, the held steps
are all ended to end the
block.
Set by
Corresponding CPU
(When set)
(1)
S (Instruction
*1
execution)
S (Status change)
S (Initial), U
U
*1
Appendix 1 Special Relay and Special Register List
(2)
(3)
(4)
(5)
A
APPENDICES
177

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