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1 OVERVIEW
1.4 Precautions on Programming
• If the on-to-off changes of X0 and X1 are at the same timing
If output (Y) is specified using a PLF instruction, the on/off state of the last PLF instruction executed during the one scan will
be output.
(1) Since X0 turns off, M0 turns on.
(2) Since X1 turns off, M0 remains on.
(3) Since X0 is other than turning off, M0 turns off.
(4) Since X1 is other than turning off, M0 remains off.
ON
ON ON
X1
X0
PLF M0
PLF M0
PLF M0
X1
X0
PLF
OFF OFF
OFF
M0
X1
X0
END
END
END
ON
(1)
(2)
(3)
(4)
OFF
M0