Inkqubo yolawulo lwe-PLC sisizukulwana esitsha sezixhobo zolawulo lweshishini ezenziwa ngokwazisa itekhnoloji ye-microelectronics, itekhnoloji yecompyuter, itekhnoloji yolawulo oluzenzekelayo kunye netekhnoloji yoqhakamshelwano ngokwesiseko sabalawuli ngokulandelelana kwemveli.Injongo kukuthatha indawo yokudlulisa, ukwenza ingcinga, ukugcina ixesha, kunye nolawulo lokulandelelana. imisebenzi efana nokubala, misela inkqubo eguqukayo yolawulo olukude. Inempawu zokuguquguquka okunamandla, ukusetyenziswa ngokulula, ukubhetyebhetye okubanzi, ukuthembeka okuphezulu, amandla okulwa nokuphazamiseka, kunye neenkqubo ezilula. <br>Indlela yokusebenza yangaphakathi ye-PLC ngokubanzi isebenzisa imo yokusebenza yokuskena okujikelezayo, kwaye imo yokusebenza yokuphazamisa yongezwa kwezinye ii-PLC ezinkulu neziphakathi.Xa umsebenzisi egqiba ukulungisa inkqubo yomsebenzisi, inkqubo ibhalwa kwimemori ye-PLC ngokusebenzisa umdwelisi wenkqubo, kwaye igalelo lendawo ligalelo ngaxeshanye.Umqondiso kunye ne-actuator elawulwayo zidityanisiwe kwisiphelo segalelo semodyuli yokufaka kunye nesiphelo sesiphelo semodyuli yemveliso.Ngoko imo yokusebenza yePLC ikhethwe njengemowudi yokusebenza, Umsebenzi olandelayo ugqityiwe yi-PLC ngokwenkqubo yomsebenzisi.Umfanekiso olungileyo yinkqubo ye-PLC yoPhumezo lwenkqubo. Kwinkqubo yokusebenza ye-PLC, igqibezela ukuqhubekeka kweemodyuli ezintandathu.
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