ELT 222 - Programmable Controls

Institution:

Central Maine Community College

Subject:

Description:

3 Credits (2 lecture 1 Lab 0 Shop) 4 Hrs/Wk (2 Hrs. Lecture 2 Hrs. Lab) *15 wks This course is a study of Programmable Logic Controllers (PLCs), which monitor electrical inputs and in turn controls outputs to automate a process or machine. Particular emphasis is placed on ladder logic programming. Programs are created using PLC instructions that are categorized by function: Relay logic, timers, counters, data-manipulation, arithmetic, data-comparison, data-transfer, and program control. Students set up hardware addressing on PLC racks/modules and verify physical wiring of real-world devices. They establish communications between a computer and a PLC processor using Rockwell's RSLinx software. Ladder logic programs are written for Allen Bradley's PLC5 programmable controller using RSLogix5 software. Application includes the control of electric motors and industrial control circuits. Advanced topics include remote I/O communications and analog output control of AC frequency drives. Prerequisites: ELT 221.

Credits:

3.00

Credit Hours:

Prerequisites:

Corequisites:

Exclusions:

Level:

Instructional Type:

Lecture

Notes:

Additional Information:

Historical Version(s):

Institution Website:

www.cmcc.edu

Phone Number:

(207) 755-5100

Regional Accreditation:

New England Association of Schools and Colleges

Calendar System:

Semester

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