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rumsfeld · Member 3 Joined: 29 Oct 2011 Posts: 572

Selecting a Motion-control Programming Language
European standard IEC 61131-3 identifies five standard programming languages for use with motion controllers, PLCs, and other devices.
Do you know when to use one language style over another?
Seeking guidance?
If so, take a look at this white paper that describes the strengths and weaknesses of each language.
Using the ideal programming language helps to optimize the controller's capabilities.
For example, ladder-diagram programming suits material-handling tasks performed by conveyors equipped with sensors and discrete output actions. The white paper explains why, and offers similar advice for function-block diagram, sequential function chart, structured text, and instruction list
link:
http://leadwise.mediadroit.com/files/22338Trio%20Motion_IEC%2061131%20Programming%20in%20Motion.pdf