附录 梯形图
开关门环节
LD Y030
OR Y031
AND X1
OUT M102
自动运行时开门禁止
LD X7
AND M71
LD X3
AND X2
ORB
LD M140
LD X3
LD X500
AND Y434
ORB
开门辅助
LD M100
OUT Y430
END
开门
LD X4
AND X2
LD T450
LD X4
LD M101
ANI X2
ORB
ANI X3
ANI X11
ANI M100
OUT M101
LD M101
OUT Y431
END 关门
层信号的 产生与清除环节
感应器
LD X405
OR M110
ANI X406
OUT M110
LD X406
OR M111
ANI X405
ANI X407
OUT M111
LD X411
OR M114
ANI X410
OUT M114
END
指示灯
LD M110
OUT Y434
LD M111
OUT Y435
LD M112
OUT Y436
LD M113
OUT Y437
LD M113
OUT Y437
LD M114
OUT
