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  • PLCs Pack it in
    Programmable automation controllers enhance PLC's process-control capabilities. Programmable automation controllers, like these from National Instruments Corp., complement and enhance PLC operations by performing special tasks above and beyond an average PLC's capabilities, such as machine vision
  • FPGAs put PLCs in motion
    to get around the problem combines embedded control systems with PLC technologies. PLCs typically operate according to the IEC-61131-3 specification. This specification details guidelines for operating-system execution, data definitions, programming languages, and instruction sets. Unlike the PC world
  • Machine control beyond PLCs
    controllers (PLCs) that have historically been used to make machines intelligent. So machine developers increasingly have begun using other kinds of control hardware that is better able to manage high-level machine tasks. It is useful to examine how a PLC works as a
  • The What, Why & How of PLCs
    . A PLC consists of several PLC controlled system, the only investigate and implement new tools components: a CPU (Central change would be to the program and automation concepts will find Processing Unit) and I/O (Input/ stored in the memory. For example, their products being produced with a Output
  • PC replaces multiple PLCs
    Equipment from Beckhoff New Automation Technology, Burnsville, Minn., lets Radiator Specialty, Charlotte, N.C., network its production machinery with a PC instead of dedicating a PLC to each machine or line component. A Beckhoff industrial PC controls a filling and packaging line at Radiator
  • The Web PLC is here
    PLCs connect PCs to the factory floor over the World Wide Web. By Richard A. Baker Jr. The Momentum M1E line of PLCs come with embedded Web pages. The line includes a full range of I/O bases that accept a snap-on communications adapter, making it usable with Profibus, Interbus-S, DeviceNet, Modbus
  • DCS Versus PLC
    DCS Versus PLC: A User's Guide To Selecting The Most Effective. Control Platform For Your Application
  • Chameleon of control: The ever-changing PLC
    PCs and PLCs have their place in contemporary control systems. In many cases, they will work as a team. In lower-end process industries such as food plants where the PLC is strongly entrenched, there is little interest in switching to PC-based control. The reason is the PLC's suitability. Sequential

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