ELT 221 — Industrial Controls
(2 Lecture 1 Lab 0 Shop) 4 Hrs./Wk. (2 Hrs. Lecture 2 Hrs. Lab) *1 5 wks. This course is a study of electromagnetic controls, their applications in automated industrial systems and how to interface them with intelligent Course Descriptions 165 www.cmcc.edu 2026 • 2027 controllers. This includes the usage of I.E.C. and NEMA magnetic starters, overload heater selection, push button, timers, counters, and intelligent controllers. Particular emphasis is placed on ladder diagrams, designing and wiring control circuits, article 430 of the NEC, programming of an AC frequency Drive. Three phase distributors and three phase motors are also covered. 1 53.