- on Education & Information
- Published in issue 4/2009 on page 20
Process control with PLCs
Programmable logic controllers (PLCs) are the workhorses of industrial automation. Originally developed as software simulations of relay control circuits, PLCs have developed into a platform that forms the basis for control applications generated using structured programming languages (IEC 61131), including high-speed motion, machine vision, networking, and integration with databases and logistics systems.
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