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CCOG for ELT 125 Winter 2024

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Course Number:
ELT 125
Course Title:
Basic Programmable Logic Controllers
Credit Hours:
Lecture Hours:
Lecture/Lab Hours:
Lab Hours:

Course Description

Covers the complete operation of a variety of programmable logic controllers (PLC). Includes basic applications, operations, and programming of PLCs with the primary emphasis on programming using a computer. Recommended: FMT 111. Audit available.

Intended Outcomes for the course

Upon completion of the course students should be able to:

  • Apply a basic understanding of the components, functions, and programming common to all programmable logic controllers (PLC)

  • Use a computer to do basic programming of a PLC and properly configure communications for upload and download.

  • Apply basic programming instructions in a facilities maintenance, manufacturing, industrial, or processing work environment.

  • Create, monitor, edit, and troubleshoot basic programs for PLCs.

  • Apply basic National Electrical Codes (NEC) and Institute of Electrical and Electronic Engineers (IEEE) standards to low voltage controls including two-wire, three-wire, and start/stop motor controls; to analog current loops (4-20 milliamp vs. 0-10 Volts DC ); and to contactors and auxiliary relays .

Course Activities and Design

Using "Hands-On" Programming with a computer. The student will create, modify and test basic programs for different applications.

Outcome Assessment Strategies

Procedures will be discussed at the first class session and the instructor's grading policy will be referenced on the class syllabus. Assessment will be based on attendance, participation, personal improvement, homework, quizzes, and the final examination.

Course Content (Themes, Concepts, Issues and Skills)

  • Know all the basic components and their functions that are common to all programmable controllers
  • Understand programming basics.
  • Use the computer as a programmer and properly configure communications for “Upload” and “download”.
  • To learn all of the basic programming instructions and their application as they relate to industrial controls and the manufacturing facility.
  • Create programs for different applications, utilizing the basic instructions.
  • Monitor and edit programs.
  • Download test and troubleshoot programs.
  • Review NEC and IEEE standards relating to proper wiring code techniques of low voltage controls including:
    • Motor Controls (two wire, three wire, start/stop etc)
    • Analog current loops for controls (4-20mA vs. 0-10vdc)
    • Contactor and Auxiliary Relay operation
    • Proper ground isolation and signal wiring for use with PLC communications
    • Identify related code articles and proper applications