OPC Server is a standard software application and is widely used in field applications. The Fatek OPC Server is the classic OPC server for connecting to the FBs/B1z PLC series from FATEK. It is based on Fatek communication protocol, and includes serial (FatekSerialOPC) and ethernet (FatekNetOPC) servers for different communication interface of PLC. SCADA and customize applications with OPC client can directly access the registers of PLC through Fatek OPC Servers.