电梯PLC梯形图

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LD X20 上限位

AND X21 下限位

OUT M10 平层

LD X03 一层感应开关

SET M500 一层显示

RST M501

RST M502

RST M503

LD X04 二层开关

SET M501 二层显示

RST M500

RST M502

RST M503

LD X05 三层开关

SET M502 三层显示

RST M500

RST M501

RST M503

LD 06 四层开关

SET M503 四层显示

RST M500

RST M501

RST M502

LD M500

ANI T0

OUT Y10 一层显示输出

LD M501

ANI T0

OUT Y11 二层显示输出

LD M502

ANI TO

OUT Y12 三层显示输出

LD M503

ANI T0

OUT Y13 四层显示输出

LD X00 急停

ANI T1

OUT T0 K 090

LD TO

OUT T1 K 0110

LD X00

ANI X01 检修

MC N0

SP M000

LD X22 轿内指令:X22-X25

OR M12

LDI M500

ORI M10

ANB

OUT M12

LD X23

OR M13

LDI M501

ORI M10

ANB

OUT M13

LD X24

OR M14

LDI M502

ORI M10

ANB

OUT M14

LD X25

OR M15

LDI M503

ORI M10

ANB

OUT M15

LD X11 外呼按钮:X11-X16

OR M21

LDI M500

ORI M10

ANB

OUT M21

LDI M501

ORI M10

ORI M32

LD X12

OR M22

ANB

OUT M22

LDI M501

ORI M10

ORI M31

LD X13

OR M23

ANB

OUT M23

LDI M502

ORI M10

ORI M32

LD X14

OR M24

ANB

OUT M24

LDI M502

ORI M10

ORI M31

LD X15

OR M25

ANB

OUT M25

LD X16

OR M26

LDI M503

ORI M10

ANB

OUT M26

MCR N0

LD M13

OR M14

OR M15

AND M500

LD M14

OR M15

AND M501

ORB

LD M15

AND M502

ORB

OR M31

AND X00

AND X02

SET Y0 上行输出

RST Y1

LD M14

OR M13

OR M12

AND M503

LD M13

OR M12

AND M502

ORB

LD M12

AND M501

ORB

OR M32

AND X00

AND X02

SET Y1 下行输出

RST Y0

LD M21

OR M22

OR M23

OR M24

OR M25

AND M503

LD M21

OR M22

OR M23

AND M502

ORB

LD M21

AND M501

ORB

ANI M31

OUT M32 外呼下行

LD M22

OR M23

OR M24

OR M25

OR M26

AND M500

LD M24

OR M25

OR M26

AND M501

ORB

LD M26

AND M502

ORB

ANI M32

OUT M31 外呼上行