Programmable logic controller: Difference between revisions

Revision as of 14:12, 9 March 2021

Revision as of 15:26, 9 March 2021

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Modern PLCs can be programmed in a variety of ways, from the relay-derived ladder logic to programming languages such as specially adapted dialects of [[BASIC]] and [[C (programming language)|C]].{{Citation needed|date=July 2009}}

While the fundamental concepts of PLC programming are common to all manufacturers, differences in I/O addressing, memory organization, and instruction sets mean that PLC programs are never perfectly interchangeable between different makers. Even within the same product line of a single manufacturer, different models may not be directly compatible.<ref>{{CitationCite neededweb|dateurl=Julyhttps://www.axcontrol.com/blog/2020/what-is-a-programmable-logic-controller/05/03/|title=What 2009Is a Programmable Logic Controller?|date=2020-05-03|website=AXControl|language=en|access-date=2021-03-01}}</ref>

=== Programming device ===