基于plc控制的交通信號燈控制系統(tǒng)設(shè)計畢業(yè)論文(文件)
【正文】 如下圖： (3)、根據(jù)梯形圖寫出的指令如下：LD M71 OUT T51 K=30 S 605S S600 LDI T456 STL S605LD X400 OUT T457 K=4 OUT Y430OR M100 LD T457 OUT T54 K=30ANI X401 OUT T456 K=5 LDI T551OUT M100 OUT Y431 OUT T550 K=5STL S600 LD T51 LD T550LD M100 S 603 OUT T551 K=6S 601 STL S603 OUT Y432STL S601 OUT Y430 LD T54OUT Y430 OUT Y433 S S606OUT Y431 OUT Y434 STL S606OUT Y434 OUT Y534 OUT Y430OUT Y534 OUT T52 K=20 OUT Y434OUT T50 K=150 LD T52 OUT Y433LD T50 S 604 OUT Y534S S602 STL S604 OUT T55 K=20STL S602 OUT Y430 LD T55OUT Y430 OUT Y432 S S607OUT Y434 OUT T53 K=150 STL S607OUT Y534 LD T53 OUT Y430OUT Y434 OUT Y434 LD 453OUT Y434 OUT Y534 S 614OUT Y531 OUT Y533 STL S614OUT Y534 OUT T451 K=20 OUT Y430OUT T56 K=150 LD T451 OUT Y434LD T56 S S612 OUT Y534S S610 STL S612 OUT Y533STL S610 OUT Y430 OUT T454 K=20OUT Y430 OUT Y434 LD T454OUT Y434 OUT Y532 S S600OUT Y534 OUT T452 K=150 RETOUT T57 K=30 LD T452 ENDLDI T552 S S616OUT T553 K=4 STL 613LD T553 OUT Y430OUT T552 K=5 OUT Y434OUT Y531 OUT T453 K=30LD T57 LDI T555 S S611 OUT T554 K=4STL S611 LD T554STL S611 OUT
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