Mitsubishi MELSEC Q Series Programming Manual page 134

[Timing Chart]
• The ON/OFF timing of the X0 and X1 is different. (The specified device does not turn ON
X0
X1
M0
• The X0 and X1 turn OFF from ON at the same time.
X0
X1
M0
When using a refresh type CPU module and specifying output (Y) in the PLF instructions,
the ON/OFF status of the device at the execution of the last PLF instruction in the scan is
returned as the output (Y).
3-44
throughout the scan.)
END
ON
OFF
OFF
ON
OFF
M0 turns ON because
X0 goes OFF (ON
END
ON
OFF
ON
OFF
ON
OFF
M0 turns ON because
X0 goes OFF (ON
X0
PLF M0
X1
PLF M0
END
ON
M0 turns OFF because X1
status is other than ON
OFF.
M0 turns OFF because X0 status is
OFF).
other than ON
(M0 remains OFF.)
X0
PLF M0
X1
PLF M0
END
M0 turns ON because
X1 goes OFF (ON
OFF).
(M0 remains ON.)
OFF).
X0
PLF M0
X1
PLF
END
M0 turns OFF because X1 status is
other than ON
OFF.
(M0 remains OFF.)
OFF
X0
PLF M0
X1
PLF
END
M0 turns OFF because X1 status is
other than ON
OFF.
(M0 remains OFF.)
M0 turns OFF because X1 status is
other than ON
OFF.
M0
M0