基于plc的自动送料装车控制系统的设?修改)大学论文 - 百度文库

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PLCԶС

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ժҪɱProgrammable controllerPLCPLCĿɿԸߡ

Ӧǿͨáʹ÷㡢ά򵥣PLCӦѸ󡣶ڵPLCм̵ĵطɲáԵPLC˵ҪϵͳڵĵطҪPLCǽPLCijɱ½ֲǿԣĿǰPLCڹѱ㷺Ӧڸҵ

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ĴӵһµڶСϵͳȷΪ㣬ΪʲôѡPLCС½СӦﵽĿҪ󣻵µ¸ݿҪСϵͳľƣӽͼͼ(ֶ˵ϵͳͼ)ͳָƣóۡ

ؼʣPLCСƣ

I

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THE DESIGN OF CONTROLLING IN THE AUTOMATIC FEEDING CAR BASED

ON PLC

Abstract:Programmable logic controller referred to PLC because of the

high reliability PLC adaptabilityflexibilityenvironmentuse convenientsimple maintenanceso the application of PLC in the rapidly expanding. In early PLC always have relays placecan use. But in today's PLC to control system that almost say there is need of place of PLC. Especially in recent years the cost of PLC function and not increase soat the momentPLC at home and abroadhas been widely used in various industries.

In order to achieve the design of the car feed the transformation of manual and automatedsimple to change the pastcar manual feeda reduction of the workforce increased productivityautomated production! Feeding and the car is designed to be as a result of bad working conditions are not allowed to enter the working environment of the circumstances formed.

This article from the first chapter to second chapter of the feed system of the car identified as an entry point to introduce a car Why choose PLC control; Chapter III introduced the car feed the control requirements to be met; Chapter to chapter under the control of the car system to carry out the specific designincluding the terminal wiring diagramladder diagram (Sub-total system design descriptions and ladder) and procedures for instruction design; the final conclusion.

Keywords:PLC Feeding carControlProgram design

II

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ǰ ..................................................................... 1 1 Զװϵͳ .................................................. 1

1.1 Զװϵͳص ........................................... 1 1.2 ԶװϵͳӦ ............................................ 1 1.3 Զװϵͳеϵͳͬ ......................... 1 1.4 PLCԶװü ......................................... 2 2 PLC ............................................................... 2

2.1 PLC ......................................................... 2

2.1.1 PLCص .................................................. 2 2.1.2 PLC˼· ................................................. 2 2.2 PLCĹ ....................................................... 3 2.3 PLCĵԴ ....................................................... 4 3 ԶװϵͳƷ .......................................... 4

3.1 .............................................................. 4 3.2 Ҫ .......................................................... 5 3.3 ϵͳ .......................................................... 6 3.4 ԭ ......................................................... 7 4 PLCϵͳ ..................................................... 7

4.1 ˽PLCϵͳƵIJ ....................................... 7 4.2 PLCϵͳ ........................................... 8 4.3 ................................................... 9

4.3.1 ................................................... 9 4.3.2 ģ .............................................. 11

5 װѡ ......................................................... 11

5.1 綯Ľ .................................................... 11

5.1.1 ͨ첽 .............................................. 11 5.1.2 ͨͬ .............................................. 12 5.1.3 Ƶ .................................................. 12 5.2 綯ѡ .................................................... 13 5.3 װ .............................................. 14

III

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6 е ............................................................. 15

6.1 ͻṹ빤 ........................................ 15

6.1.1 ʹ .................................................... 15 6.1.2 ʹ .............................................. 15 6.1.3 Ž .................................................. 16 6.2 жװ ...................................................... 16 6.3 ֧װ ........................................................ 16 6.4 Ͳ ........................................................ 17 6.5 .......................................................... 17 6.6 ļ㼰ѡ ................................................. 18

6.6.1 ................................................. 18

7 װ ............................................................. 20

7.1 .......................................................... 20

7.1.1 Ķ .............................................. 20 7.1.2 ................................................ 21 7.2 ѡʪȴҪע .................................. 22 7.3 ʱ .......................................................... 23 .................................................................. 25 л .................................................................. 26 ¼ .................................................................... 27 ο ................................................................ 32

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