Mitsubishi MELSEC-A series, Programming Manual

Page: 65 / 508

3. INSTRUCTION STRUCTURE
3
−
25
MELSEC-A
[Timing Chart]
•
When the On/Off timing of X0 and X1 differ (the specified device does not go
On in 1 scan)
M0
OFF
ON
END END END
X0
X1
M0
OFF
OFF
ON
PLF
X0
X1
M0 PLF
M0 PLF
M0 PLF
X0
X1
M0 goes Off because X0 is not On Off.
(M0 remains in the Off state.)
M0 goes Off because X1 is
not On Off. (M0 remains
in the Off state.)
M0 goes On because X0 is On Off.
M0 goes Off because X1 is
not On Off.
•
When the On
→
Off of X0 and X1 are the same timing.
M0
OFF
ON
END END
END
X0
X1
M0
OFF
OFF
PLF
X0
X1
M0 PLF
M0 PLF
M0 PLF
X0
X1
ON
M0 goes Off because X0 is not On Off.
M0 goes Off because X1 is
not On Off. (M0 remains
in the Off state.)
M0 goes On because X0 is On Off.
M0 goes On because X1 is On Off.
(M0 remains in the On state.)