以太网远程IO模块的应用非常广泛,主要应用于分布式的数据采集与控制,尤其适合于数据点分散、控制点分散的场合。 传统的做法是通过工控机+IO板卡,各种仪表信号直接通过电缆连接到IO办卡的方式,这种方式布线成本高昂,信号衰减大。 而以太网远程IO模块,则可以直接把IO模块连接到PLC或者工控机上,通过一根以太网电缆连接IO与PLC或工控机,各种仪表控制器信号直接就近接入到以太网IO模块上
The application of Ethernet remote IO module is very extensive, mainly used for distributed data collection and control, especially suitable for situations where data points are scattered and control points are scattered. The traditional approach is to connect various instrument signals directly to the IO card through cables using an industrial computer and an IO board card. This method has high wiring costs and high signal attenuation. The Ethernet remote IO module can directly connect the IO module to the PLC or industrial control computer, and connect the IO to the PLC or industrial control computer through an Ethernet cable. Various instrument controller signals can be directly connected to the Ethernet IO module nearby
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