用PLC编程 某两级传送带,分别由两台三相异步电动机拖动。
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PLC传送带设计答:sm0.0,1 network2 ldm0.0 rq0.0,1 network3 ldm0.0 ai0.0 sm0.1,1 rm0.0,1 network4 ldm0.1 sq0.0,1 tont37,50 network5 ldm0.1 at37 sm0.2,1 rm0.1,1 network6 ldm0.2 sq0.1,1 tont38,100 network7 ldm0.2 at38 sm0.3,1 rm0.2,1 network8 ldm0.3 sq...