Widely used in industrial communication, the advantage of real-time, high reliability, suitable for small to medium-scale data transmission, such as the typical application of programmable logic controller ( PLC ). 广泛用于工业通信领域,其优点是实时性好,可靠性高,适用于小到中等规模的数据传输,如典型应用于的可编程控制器(PLC)。