Ga dukkan masana'antar hada-hadar kwalta, babban sashin shine tsarin sarrafa shi, wanda ya hada da hardware da software. Da ke ƙasa, editan zai kai ku zuwa cikakken ƙirar tsarin kula da shukar hadawar kwalta.

Da farko, an ambaci ɓangaren hardware. Da'irar hardware ta haɗa da abubuwan da'ira na farko da PLC. Don saduwa da buƙatun aiki na tsarin, PLC ya kamata ya kasance yana da halaye na babban saurin gudu, software na dabaru da kulawar sakawa, don samar da shirye-shiryen sigina don sarrafa kowane aikin injin kwalta.
Sannan muyi magana akan bangaren manhaja. Haɗin software wani bangare ne mai mahimmanci na gabaɗayan tsarin ƙira, kuma ainihin ɓangaren shine ayyana sigogi. Gabaɗaya, ana haɗa tsarin zane mai kula da tsarin tsani da shirin gyara kurakurai bisa ka'idodin shirye-shirye na PLC da aka zaɓa, kuma an haɗa shirin da aka lalata a cikinsa don kammala haɗar software.