Plantstruxure Unity Opc Software Page 3-3 OPC data server software, Product reference index

3/3 Supported architectures The OFS server allows four access modes: b A purely local mode b Remote access from an OPC DA client b Remote access from an OPC.NET client b Remote access from an OPC XML-DA or OPC UA client b Remote access from an OPC UA client Local access The client application and the OFS server are on the same PC. Remote access from an OPC DA client The client application and the OFS data server are on remote stations. Communication between the client station and the OFS server is conducted through the DCOM layer (Microsoft) via the OPC DA protocol. OPC Factory Server: Home page Software 3 OPC data server software OPC Factory Server Architectures 0 Presentation: page 3/2 Setup: page 3/5 Functions: page 3/6 References: page 3/7 Time-stamping system: page 3/8 OFS station Symbol data (Unity Pro , Concept or PL7) Modbus network X-Way network Premium M340 M580 Quantum Remote client application program DCOM Ethernet Modbus/TCP network Local client applic. prog M340 Premium M580 Quantum Modbus network OFS station Local client applic. prog Symbol data (Unity Pro, Concept or PL7) 2 1 3 4 5 6 7 8 9 10 2 1 3 4 5 6 7 8 9 10

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