Maintenance and troubleshooting of any programmable control system requires
a thorough understanding of the hardware and software aspects of the system.
This course is designed to provide you with the necessary knowledge of
the installation, system configuration, hardware layout, basic programming
concepts, troubleshooting procedures, and maintenance procedures for the
Modicon programmable controller mainframe and input/output systems.
Understand the major functional components of the Modicon programmable
controller system as it relates to your facility's installation.
Configure and layout a Modicon system, including input/output modules
and local and remote input/output systems.
Understand system addressing inputs, outputs, input registers, and output/holding
Evaluate communication methods, including discrete, binary, binary coded
decimal, analog encoders, serial, and parallel.
Discuss various field input/output devices such as contacts, relays, limit
switches, LED displays, thumbwheels, transducers, thermocouple, RTDs, ASCII,
Understand how field inputs and outputs relate to the control system.
Learn to build and test basic automation control circuits involving relays,
timers, and counters, and calculate functions.
Document and add comments to your program for ease of understanding and
Upload and download existing programs to and from magnetic storage media.
Learn to use the programming computer as a diagnostic and troubleshooting
Identify important environmental problems that may adversely affect the
performance of the system.
Distinguish between hardware problems, software problems, and field problems.
Use system diagnostics to identify and pinpoint faults in the system.
Isolate problems at all levels of the system and determine the course
Disassemble, reassemble, and start up a controller from dim awareness.
Discuss, demonstrate, and test important safety considerations related
to your PLC system.