基于plc和变频器控制的电梯设计本科学位论?- 百度文库

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PLCͱƵƵĵ

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鶬 һ廯 繤ϵ

PLCͱƵƵĵ

PLCͱƵƵĵ

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Ÿ߲㽨˽չһֱִ乤ߡִ,ִһ,Ϊ಻ȱٵĽͨ乤ߡжֿƷʽ̵ƣPLCƵȡPLCƵµص㣺ɿԸߣ PLCƽ޹ʱ䣨MTBFһɴ3~5Сʱڹҵ¿ɿع̼򵥣PLCõıͼԡֱֱۣգҪıʱֳıʹ÷㡢Сṹաװά޷㡣ĽһֿƵVVVFĵݿϵͳͨݿϵͳȽϣóƵԽԣ˽ϸӲƣӲƲģ黯Ƶ˼룬˵˿ƷʽĿԡ

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ժ Ҫ ............................................................ iii 1 ....................................................... 1 1.1 ݼſ ................................................. 1

1.1.1ݼǰչ ....................................... 1 1.1.2ݵ༰ ....................................... 2 1.2 ݵҪ .............................................. 4 1.3ݵıװ ............................................... 7 2 PLCϵͳƵ ........................................ 8

2.1 PLCϵͳ ............................................. 8 2.2 Ƶķ ................................................ 9 2.3 Ƶѡ ................................................ 9

2.3.1 ѡƵĹԼ .......................... 10 2.3.2 VS-616G5Ƶ ....................................... 10 2.3.3 VS-616G5Ƶ༶ٵPLC ..................... 14 2.4Ƶٷ ................................................ 16 2.5Ƶƶļ .............................. 16 3 Ӳ................................................... 17

3.1Ƶݵϵͳ ........................................ 18 3.2 ݵ· ............................................... 20 3.3 ѡI/O ......................................... 21

3.3.1ģѡ ........................................ 21 3.3.2 ģѡ ........................................ 21 3.4 ⲿͼ ............................................. 24 4 ................................................... 24

4.1Żͼ .............................................. 25 4.2Żͼ .............................................. 26 4.3¥źŲͼ ................................ 28 4.4ͣźŵǼͼ ................................ 28 4.5źŵǼͼ ................................ 28

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4.6򻷽ͼ .............................................. 31 4.7𶯼ٺȶлͼ ................................ 33 4.8ͣźͼ .............................................. 33 4.9ƶ̻ͼ .......................................... 35 5 ϱ ........................................ 36

5.1ݵıԭ򼰴 .................................. 35

5.1.1ҷ綯ǽӵض· ............................ 35 5.1.2ҷ綯 ........................................ 36 5.2ݵ .............................................. 37 ............................................................ 37 ο ........................................................... 39 л ............................................................ 40

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