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ǰ ................................................................................................ 1 1 PLCеָ .................................................................... 2
1.1ѡⱳ ............................................................................... 2 1.2ɱ̿Ļ ................................................... 2 1.3PLCеֵ ..................................................... 4 2 еPLCϵͳƷ .................................... 5
2.1еPLCϵͳ ............................................ 5
2.1.1 еץСPLC .............................. 5 2.1.2 еץСPLCʽ .............................. 5 2.1.3 еץСʾͼ .................................. 6 2.1.4 еץСÿĿҪ ............... 7 2.2еץС˳ͼ .............................................. 7 3 еPLCӲ ........................................................... 9
3.1 еPLCͺŵѡ ...................................................... 9 3.2 еץСPLCIJ ............................... 9 3.3 еץСϵͳ .............. 10 3.4 еץСPLCI/Oͼ ................................. 11 4 еPLC ......................................................... 14
4.1 ʼ ................................................................ 14 4.2 ֶ .................................................................... 17 4.3 Զԭ .................................................... 18 4.4 Զ .................................................................... 21 4.5 еץСͼ ............................................. 25 4.6 еץСPLC ............................................. 28 .................................................................................................. 32 л .................................................................................................. 33 ο .......................................................................................... 34 Ϸ .................................................................................. 36
ǰ
ִҵУ̵ĻеԶѳΪͻ⡣ŹҵִĽһչ,ԶѾΪִҵеҪ֧,˳䡢ˮߵȵȣѾ洦ɼͬʱִУŸָ¡ԡж塢к峡ԼˮҵȣЩӵ˹в
ԴӻеӦĸӦж⡣е£ʴIJƳɣЧʼߣҲܵƣdz㡣еһģ˵ֱ۵IJֶԤij켣Ҫʵץȡ˹ݹߵԶװãɱ̿PLCеĸ߿ɿԡ̷㡢ʹúģչάҪ͡СɣװԷ㣬ڹҵŹ㷺Ӧáеģֺͱ۵ijЩܣ̶ץȡߵԶװáɴ˵ķͶʵĻеԶк²Աȫ㷺Ӧڻе졢ұ𡢵ӡṤԭܵȲšеĻеҪץСƳ˻еֹ˳ͼҪƲֵʵ֣˾F1-40MͺŵPLCΪ˻еֿϵͳӲԭͼͼͼдӦƻеֿʵֶڡλֹ״̬еֵѭҪͨʼָƣλƻеߵг̡ÿʵֶںλȲ
1 PLCеָ
1.1ѡⱳ
ҵеǽʮ귢չһָ߿ƼԶ豸ҵеǹҵ˵һҪ֧صǿͨɸԤڵҵڹϼ˺ͻԵŵ㣬˵ܺӦԡеּ漰ѧеѧҺѹԶƼȿѧһſѧۺϼ
еһԶλƲ±Ա䶯Ķܻжɶȣڸͬй
ڹˮƽϵ͵йּҵͶܼͣеֵʹѾԽԽռ ЩӺҵŷ˾йĹԶڵı仯ЩֲڹҵܼĻϡغҲʼԻеֱֳԽԽŨȤΪҪԹʧʸߣԼսҹҵķԾչԶ̶ȵѸߣʵֹװжתͻٳֺǹּԽԽԼͶ,ɼеֵĴչźҪ塣
1.2ɱ̿Ļ
1)ƹ
ƹʵϾλܣǿɱ̿Ĺ֮һPLCС롱ǡָЩָⲿֳءŤ״̬ƶ㴦ֳıضŷӴ̵ָʾƵȣPLCһλ״̬εʹãϵıҲʮַ㡣
2ʱƹ
PLCûṩʹõĶʱʱ趨ֵʱʱ䣩
ʱ趨ҲйиҪģʹ÷
3ƹ
PLCΪûṩ˺ܶijһֵʱ趨ֵһ״̬źţøźʵֶijļơPLCûüָָļijźŵ״̬ıмɶij̵ļơ
4ƹ
PLCΪûṩɸ״̬ʵʱ䡢ָźΪתIJƣһԺתʱԶһ
5ݴ
PLCݴܣʵ㡢ݴ͡ݱȽϡתȲ
6̿ƹ
ЩPLCA/DD/AתܷضģĿƵڡ 7ͨ
ЩPLCͨżԶ̨PLC֮ͬλӡPLC֮ͨŵȡ
8ع
PLC˽ǿļعܡԱñɶPLC״̬мءñԵʱ趨ֵ͵ǰֵҪıPLCڲźŵ״̬ΪԺάṩķ㡣
9ͣ书
PLCڲIJִ洢ʹõ RAM ͣ籣籸õأԱ֤ϵⲿִ洢еϢᶪʧ
10Ϲ
PLCɶϵͳɡijЩӲ״ָ̬ĺϷԵȽϣ쳣ʾͣشԶֹС