Analog Signal in Programmable Logic Controllers

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Provided by: Institute of Research and Journals (IRAJ)
Topic: Hardware
Format: PDF
PLC (Programmable Logic Controller), known more generally programmable controller, is a solid-state, digital, industrial computer. Originally, the PLC was signified as PC, which resulted in some confusion with using the same acronym PC for personal computer. To avoid the issue the 'Logic' was added to the name, as programmable logic controller. A PLC is a user-friendly, microprocessor-based specialized computer that performs process parameters and adjusts process operations as well. It can be programmed, controlled and operated with computer, but a person unskilled in computer using is also able to use the PLC by using its display and keyboard, where the ladder diagrams can be inputted and/or edited.
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