C#编写的OPC客户端源码，配套OPC控件，注册可用，与S7-300可通-C# prepared by the OPC client source code, supporting OPC controls, registration is available, and can pass S7-300

基于WtOPCSvr组件做的OPC服务器，实现了三菱PLC，西门子s7-200通讯，插件式硬件驱动开发，标签可配置(The OPC server based on WtOPCSvr component implements MITSUBISHI PLC, SIEMENS S7-200 communication, plug-in hardware driver development, tag configurable)