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Programmable logic controller PLC cov ntsiab lus nta

Mar 11, 2019


Qhov sib txawv ntawm qhov sib txawv ntawm lwm cov kev sib tw yog PLCs yog tsim rau thiab yog vim li no tiv thaiv-mob hnyav dua (xws li plua plav, ya raws, tshav kub, txias), thaum muab cov tswv yim / tawm ntau tshaj (I / O) mus txuas rau PLC rau cov sensors thiab actuators. Cov tswv yim PLC tuaj yeem muaj cov ntsiab lus yooj yim xws li cov kev txwv ntawm cov kev txwv, cov qauv analog los ntawm cov txheej txheem kev ntsuas (xws li kub thiab siab), thiab ntau cov ntaub ntawv xws li ntawm qhov chaw lossis lub tshuab qhov muag pom kev. PLC cov zis yuav muaj xws li cov teeb meem xws li cov teeb cig, caws, hluav taws xob, pneumatic los yog hydraulic cylinders, sib nqus relays, solenoids, lossis analog outputs. Kev tawm tswv yim / tawm tswv yim yuav ua tau rau hauv PLC yooj yim, los yog PLC yuav muaj lwm tus I / O modules nrog rau fieldbus los yog lub computer network uas siv rau hauv PLC.