Fast OPC servers for Modbus are based on COM/DCOM technology following OPC specification and support Modbus RTU serial communication and TCP/IP protocol on Ethernet, and it can be used with all devices and controllers using Modbus protocol. 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.