ETS 1542C - Introduction to Programmable Logic Controllers Add to Catalog Portfolio ETS 1542C - Introduction to Programmable Logic Controllers This first course in programmable logic controllers (PLC), is designed for students preparing for careers in electronics, manufacturing, electrical or industrial technology. Students learn the basic operational concepts common to PLCs, focusing on PLC principles, programming, numbering systems, data manipulation, math, and sequencer instructions. Terms all, Spring, Summer Hours: 4