PLC，Programmable logic controller （PLC），可(ke)編程控(kong)(kong)制(zhi)(zhi)(zhi)柜(ju)(ju)， 控(kong)(kong)制(zhi)(zhi)(zhi)柜(ju)(ju)指成(cheng)套(tao)的(de)(de)控(kong)(kong)制(zhi)(zhi)(zhi)柜(ju)(ju) , 可(ke)實(shi)(shi)現(xian)(xian)電(dian)(dian)機 , 開(kai)關的(de)(de)控(kong)(kong)制(zhi)(zhi)(zhi)的(de)(de)電(dian)(dian)氣柜(ju)(ju)。 PLC 綜合(he)控(kong)(kong)制(zhi)(zhi)(zhi)柜(ju)(ju)具有過(guo)載、短路、缺(que)相保(bao)護(hu)等保(bao)護(hu)功能(neng)。 它具有結(jie)構緊湊、工(gong)(gong)作穩定、功能(neng)齊全。可(ke)以(yi)根據實(shi)(shi)際控(kong)(kong)制(zhi)(zhi)(zhi) 規模(mo)大小(xiao)(xiao)，進(jin)行(xing)組(zu)合(he)，既可(ke)以(yi)實(shi)(shi)現(xian)(xian)單柜(ju)(ju)自(zi)動(dong)控(kong)(kong)制(zhi)(zhi)(zhi)，也可(ke)以(yi)實(shi)(shi) 現(xian)(xian)多(duo)柜(ju)(ju)通(tong)過(guo)工(gong)(gong)業(ye)以(yi)太網或工(gong)(gong)業(ye)現(xian)(xian)場總線網絡組(zu)成(cheng)集散（DSC） 控(kong)(kong)制(zhi)(zhi)(zhi)系統。 PLC 控(kong)(kong)制(zhi)(zhi)(zhi)柜(ju)(ju)能(neng)適應各種大小(xiao)(xiao)規模(mo)的(de)(de)工(gong)(gong)業(ye)自(zi)動(dong)化控(kong)(kong) 制(zhi)(zhi)(zhi)場合(he)。廣泛應用在電(dian)(dian)力、冶金(jin)、化工(gong)(gong)、造(zao)紙、環(huan)保(bao)污(wu)水處 理(li)等行(xing)業(ye)中。