自动操控体系一直在随时刻发作安稳的变化。Phoenix Contact 自动化体系商场经理Larry Komarek, 说：“其目标是用户能够当即互连恣意自动化设备，并且不用重新编程就能让它们受恣意厂商的操控软件的操控。工业自动化一直在沿这个方向发展”。IEC 61131规范答应同一保护人员保护不同厂商的设备。
和大型使用所需的分立设备比较，选用软逻辑和嵌入式PLC板的工业PC机能够节省空间和装置本钱，Komarek说。用户经由装有工业规范软件的PC机，经过OPC接口同操控程序通讯，替代PLC厂商专有的协处理器模块。这能够降低硬件本钱，增强购买的灵活性，方便于集成精选的高功能度和易用的软件。在根据微软Windows CE的模板中嵌入PLC功能能够完成较低本钱、较小尺寸的工业PC机，替代PLC，这种状况不需要操作显示屏。

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