Programmable Logic Controller is a course designed to provide knowledge regarding the fundamental concept and principle in PLC. This course emphasizes the relationship between conventional/hardwired/relay ladder logic (RLL) and PLC system application of various industrial input and output devices of PLC, designing process, programming, constructing and PLC maintenance method. This course also provides knowledge and skills in designing environmentally friendly of automation control system based on conventional/hardwired/relay ladder logic (RLL) and PLC students with hardware adaptation and programming skills by employing a PLC for an automation system in the industry