西门子S7协议通讯，使用与S7-200/300/400/1200等所有PLC型号的通信协议，可同时监控几百台PLC。 .C#语言开发，采用NET4.5框架，TCP通讯方式,通信效率高。(Siemens S7 protocol communication, the use of all PLC models such as S7-200/300/400/1200 communication protocols, can simultaneously monitor hundreds of PLC