PLC

Programmable logic controller From Wikipedia, the free encyclopedia Not to be confused with machine control . Part of a series of articles on Manufacturing Manufacturing methods Batch production Job production Flow production Improvement methods RCM TPM VDM QRM TOC Lean Six Sigma TQM ZD Information and communication ISA-88 ISA-95 ERP SAP IEC 62264 B2MML Process control PLC DCS SCADA v t e A programmable logic controller ( PLC ), or programmable controller is an industrial digital computer which has been ruggedized and adapted for the control of manufacturing processes, such as assembly lines , or robotic devices, or any activity that requires high reliability control and ease of programming and process fault diagnosis. They were first developed in the automobile industry to provide flexible, ruggedised and easily programmable controllers to replace hard-wired relays, timers and seque...