对于控制工程领域的新手来说，一个常见的问题是：“PLC和SCADA有什么区别？ 它们之间的区别在于PLC是基于硬件的，而SCADA是基于软件的。PLC和SCADA都用于监测和控制许多不同行业的过程自动化设备，如电信、水和废物控制、能源、石油和天然气以及运输等。

Supervisory Control and Data Acquisition (SCADA) technologies were adopted early by the electric utility industry to assist in the monitoring of the widely distributed grid. Electric utility SCADA has ...