PLC technician
term
PLC technicians design, program, repair, and maintain programmable logic controller (PLC) systems used within manufacturing and service industries ranging from industrial packaging to commercial car washes and traffic lights.
Scope of work
PLC technicians are knowledgeable in overall plant systems and the interactions of processes. They install and service a variety of systems, including safety and security, energy delivery (hydraulic, pneumatic and electrical), communication, and process control systems. They also install and service measuring and indicating instruments to monitor process control variables associated with PLCs, and monitor the operation of PLC equipment. PLC technicians work with final control devices such as valves, actuators and positioners to manipulate the process medium. They install and terminate electrical, pneumatic, and fluid connections. They also work on network and signal transmission systems such as fibre optic and wireless.
Along with the calibration, repair, adjustment, and replacement of components, PLC technicians inspect and test the operation of instruments and systems to diagnose faults and verify repairs. They establish and optimize process control strategies, and configure related systems such as Distributed Control Systems (DCSs), Supervisory Control & Data Acquisition (SCADA), and Human Machine Interfaces (HMIs). PLC technicians maintain backups, documentation, and software revisions as part of maintaining these computer-based control systems.
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This entry incorporates text from “PLC technician” on English Wikipedia. Contributors are listed in the page history. Text is available under the Creative Commons Attribution-ShareAlike 4.0 License. Selected authority identifiers and statements are retrieved from Wikidata under CC0; their references and qualifiers remain part of the verification path.