Contact ALIC: alic@allegheny.edu
  • A Branch Campus of Allegheny College:
  • Bessemer Commerce Park, 764 Bessemer St., Meadville, PA 16335
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PLC 1 – Fundamentals

This course provides a foundational overview of Programmable Logic Controllers (PLCs) used in industrial automation. Students will learn about PLC hardware components, basic programming concepts using ladder logic, input/output configuration, and troubleshooting techniques. Hands-on exercises focus on designing, programming, and testing simple control systems to develop essential skills for manufacturing and process automation.

Dates TBD

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Course Content:

  • Overview of PLCs and Their Role in Manufacturing

    • Purpose and advantages of PLCs in industrial automation

    • Comparison with traditional relay-based control systems

  • PLC Hardware Components

    • Central processing unit (CPU)

    • Input/output (I/O) modules

    • Power supplies and communication ports

    • Sensors and actuators

  • Basic Electrical Concepts for PLCs

    • DC and AC voltage basics

    • Wiring diagrams and ladder logic interpretation

    • Safety procedures when working with electrical systems

  • Introduction to PLC Programming

    • Programming languages with a focus on ladder logic

    • Basic instructions: contacts, coils, timers, counters

    • Boolean logic operations

  • PLC Software and Interface

    • Use of industry-standard PLC programming software

    • Downloading and uploading programs to PLCs

    • Monitoring and troubleshooting programs in real time

  • Input/Output Configuration and Addressing

    • Digital vs analog inputs and outputs

    • Assigning and referencing I/O addresses in ladder logic

  • Basic Troubleshooting and Diagnostics

    • Interpreting error codes and status indicators

    • Using software tools to identify and fix common faults

  • Simple Control Applications

    • Developing and testing programs for basic operations like motor control, conveyors, and sensors

    • Hands-on practice with simulations and/or lab equipment

  • Industrial Communication Basics

    • Introduction to PLC networking (Ethernet/IP, Modbus)

    • Overview of Human Machine Interfaces (HMIs)

  • Workplace Safety and Best Practices

    • Lockout/tagout procedures

    • Safe wiring and grounding practices

    • Industry standards and regulations (e.g., OSHA)

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