Mohala ona oa tlhahiso ea marulelo a marang-rang o entsoe haholo ka mochini o etsang roll, sistimi ea taolo ea likhomphutha ea PLC, sistimi ea ho kuta le sistimi ea haeteroliki.
1. Thepa ena e nka software e phahameng ea ho laola ka mokhoa o itekanetseng ho finyella tsamaiso ea tlhahiso-leseling ea tlhahiso.Sistimi ea taolo ea othomathike ea yuniti eohle e amohela marang-rang a kopantsoeng haholo ho etsa ts'ebetso ea othomathike.Mochine oa khatiso oa lithaele tse peli o boetse o na le melemo ea ts'ebetso, tlhokomelo, tlhokomelo le ho lokisa mechine, ho fetola hlobo ho bonolo.
2. Lihlahisoa tse sebelisoang mefuteng eohle ea lithupelo tsa indasteri, tlhahiso ea marulelo a polokelo ea polokelo ea polokelo ea thepa e na le melemo ea tlhōrō e phahameng ea maqhubu, matla a phahameng, ts'ebetso e ka tšeptjoang ea ho kopanya, ts'ebetso e sa keneleng metsi, joalo ka litšoaneleho tse matla, tlhahiso ea mochini oa poleiti ea khatello ho rarolla letoto le tloaelehileng la khatello. Bothata ba ho lutla marulelong a poleiti, ka mochini oa arch o ka etsa hore ho se be le marulelo a marang-rang.