PLCs are computer-based solid-state devices used to control industrial equipment and processes.While PLCs are control system components used throughout SCADA and DCS systems,they are often the main component in smaller control system configurations to provide supervisory control of discrete processes such as automotive assembly lines and power plant sootblower control.PLCs are widely used in almost all industrial processes.
PLC是基于计算机的固态设备，用于控制工业设备和工艺。而PLC是整个SCADA和DCS系统中使用的控制系统组件，它们通常是较小的控制系统配置中的主要组件用于提供监管控制汽车装配线和发电厂吹灰器控制等离散工艺。PLC是广泛应用于几乎所有的工业过程。
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