Fast OPC servers for Siemens are based on COM/DCOM technology following OPC specification and supports S7 MPI serial Profibus communication and S7 TCP/IP protocol on Ethernet and it can be used with Siemens PLC controllers. The server provides reliable and high-performance communication with any OPC-compatible HMI, SCADA, or any other OPC client application. An easy-to-use configuration tool is included for quick set-up of the tags database. Fast, active OPC foundation member creates specific communication drivers according to customers requirements.