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PAC and Touch Panel PC

Designed for industrial applications, a PAC"Programmable Automation Controller" PAC is a compact controller that combines the features and capabilities of a PC-based control system with that of a typical programmable logic controller (PLC). A PAC thus provides not only the reliability of a PLC, but also the task flexibility and computing power of a PC. Additionally, because they function and communicate over popular network interface protocols, PACs are able to transfer data from the machines they control to other machines and components in a networked control system is a powerful and robust computer which can be used in close proximity to machinery.

Figure 2-10: Programmable Automation Controller

To give access to the HMI"Human-machine interfaces " Also known as computer-human interfaces (CHI), and formerly known as man-machine interfaces, they are usually employed to communicate with PLCs and other computers, such as entering and monitoring temperatures or pressures for further automated control or emergency response when there is no dedicated HMI hardware, KAS PAC usually includes a touch-screen panel as a combined input and output device.

Figure 2-11: Touch Panel PC

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