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IEC 61131 |
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IEC 61131 A family of programming languages for programmable logic controllers (PLCs). Of the three graphical and two textual languages, ladder logic (see example below) was the first language and widely used. IEC 61131 was previously known as IEC 1131. See PLC.Graphical Textual ladder logic structured text function block diagram instruction list sequential function chart The following example of ladder logic shows how logical AND and OR gates are diagrammed. In this case, x = a AND (b OR c).
---[ ]-----|--[ ]--|-----( )---
a | b | x
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|--[ ]--|
| c |
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No references found | The integrated, prewritten IEC 61131 based motion function blocks require only a few basic parameters to be set before the system is up and running. Complete control functionality can be achieved using the embedded programmable controller that supports the complete IEC 61131 programming standard. KW-Software is a leading software manufacturer of IEC 61131 programming and runtime systems. |
IEC 61131 |
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