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- must be someone who's in charge of the operation, the applications of PLC to haul the car electric control system, can realize automatic control of the material car, reduce the operating cost of systems, PLC haul car electric control system has simple wiring, control the speed, reliability and good maintainability, easy to install, repair and modification, etc. With the development of the economy, increasing the material car to all fields, from manual to automatic, gradually formed the mechanization and automation. Applying PLC to haul the car electric control system, can realize automatic control of the material car, reduce the operation cost of the system. And the application of PLC in the material car control system, has great economic and social value.
关键词：
PLC、运料小车、控制系统、S7-200
Keywords：PLC、The material car、Control system、S7-200
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目录
一 西门子S7-200的概述1
西门子 S7-200简介 1
西门子S7-200应用领域1
西门子S7-200优点1
西门子S7-200组成1
西门子S7-200工作方式2
程序设计步骤…………………………………………………………….2
程序设计容…………………………………………………………...3
二 运料小车系统介绍4
运料小车的控制系统主回路 4
……………………………………………….……………………………………………………………………5
三 运料小车控制系统的总体设计 5
PLC的选用 6
PLC电气原理图 6
I/O分配 6
运料小车系统设计流程图 7
运料小车控制系统接线图 8
运料小车控制系统梯形……………………………………………………..8
运料小车程序指令表…………………………………………………….9
四 总结9
参考文献 10
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