PLC控制交通灯系统设计-

PLC控制交通灯系统设计

= Q0.0 LD T37 AN T38 LD T41 AN T42 OLD

LD T45 AN T46 OLD

A SM0.5 = Q0.1 LD T38 AN T39 LD T39 AN T40 A SM0.5 OLD

LD T42 AN T43 OLD

LD T43 AN T44 A SM0.5 OLD

LD T46 AN T47 OLD

LD T47 AN T48 A SM0.5 OLD

= Q0.2 LD T38 AN T39 LD T42 AN T43 OLD

LD T46 AN T47 OLD

= Q0.3 LD T39 AN T40 LD T43

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PLC控制交通灯系统设计

AN T44 OLD

LD T47 AN T48 OLD

A SM0.5 = Q0.4 LD I0.0 LD M0.0 AN T37 LD M0.1 AN T41 OLD

LD M0.2 AN T45 OLD ALD

LD T37 AN T38 LD T41 AN T42 OLD

LD T45 AN T46 OLD

A SM0.5 OLD

= Q0.5

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