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Programmable Logic Controllers (PLCs)



Programmable Logic Controllers are now commonly encountered by maintenance electricians and the programme will cover all essential aspects of PLCs as encountered in industry.


Stage A

Equipment and hardware, principles of PLC operation, general programming procedures, editing and monitoring, timers, counters and sequences, basic industrial process problems, installation and safety.

Stage B

Programming techniques for various types of PLC, PC programming software, operation with peripheral devices, numerical processing, sequencing and machine control, industrial process problems, troubleshooting and maintenance.

Stage C

Automation software design techniques.Automation of an industrial process exercise. Analogue interfaces units, analogue alarms and analogue control of processes using the PLC. Introduction to Operator Interfaces, and basic Human Machine Interfaces (HMIs).

Stage D

High Speed processing on a PLC, Interrupts and high speed counters. Graphical Sequence control techniques using IEC-1131-3 programming. Supervisory Control and Data Acquisition Systems (SCADA) for monitoring of PLC systems. PLC networks, communications, remote and distributed I/O and Field bus. A mini project will allow programme candidates to choose a specific area of automation using PLCs and implement a short project.

Entry Requirements

Prospective students must be electrical crafts persons in the electrical industry.

Progression Information

Stages A, B,C and D, subject to demand.

Enrolment date

Date & time to be confirmed (approximately first week in September)


Assessments will be conducted on a regular basis during the programme.

Career Opportunities

A good working knowledge of PLCs will considerably enhance career prospects.