Programmable Logic Controller: Difference between revisions
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=External Links= | =External Links= | ||
*[http://en.wikipedia.org/wiki/Programmable_logic_controller The Wikipedia Page on PLCs] | *[http://en.wikipedia.org/wiki/Programmable_logic_controller The Wikipedia Page on PLCs] | ||
*[https://youtu.be/PbAGl_mv5XI A Video by the YouTube Channel "RealPars" Titled "PLC Basics | Programmable Logic Controller" ] | |||
*[https://youtu.be/uOtdWHMKhnw A Video by the YouTube Channel "The Engineering Mindset" Titled "Programable Logic Controller Basics Explained - automation engineering" ] | |||
[[Category: Automation]] | |||
Latest revision as of 05:26, 22 February 2022
Basics
- Often abbreviated as PLC
- A Digital computer used for automation of electromechanical processes, such as control of machinery on factory assembly lines, amusement rides, or light fixtures
- Unlike general-purpose computers, the PLC is designed for multiple inputs and output arrangements, extended temperature ranges, immunity to electrical noise, and resistance to vibration and impact.
- Programs to control machine operation are typically stored in battery-backed-up or non-volatile memory.
- A PLC is an example of a hard real time system since output results must be produced in response to input conditions within a limited time, otherwise unintended operation will result.