ELT 215 Programmable Logic Controllers (4 credits)

This course will introduce students to the basic principles that govern the function and operation of the programmable logic controller (PLC). It focuses on the common input and output devices that are typical in sequential and process control applications. Topics include: PLC applications, logic concepts and ladder diagrams, CPU, memories, input/output devices, safety issues, maintenance techniques, I/O and memory addressing, ladder logic programming language, design of relay operated process, and proper installation methods. Three lecture hours and a three-hour laboratory. Prerequisites: CMT 171 and ELT 141, or permission of instructor.