ABB SNAT 7261INT PC Board: TCP/IP Integration Module for Harmony Controllers

In a pharmaceutical plant, the corporate initiative to implement a plant-wide Manufacturing Execution System (MES) for full batch traceability hits a roadblock. The production lines are controlled by a reliable but older ABB Symphony DCS, which historically communicated only on its proprietary INFI-NET network. The MES software requires real-time access to thousands of data points—temperatures, pressures, valve states, and batch phases—via standard OPC or direct TCP/IP. Attempting to bridge this gap through legacy gateways is slow and cumbersome. The solution is the integration of the ABB SNAT 7261INT​ Ethernet PC Board into key Symphony controllers. Once installed and configured, the SNAT 7261INT​ provides a direct, high-speed Ethernet port on the controller itself. It acts as a native gateway, exposing the controller’s process data seamlessly over Modbus TCP or a proprietary ABB protocol. This allows the MES to poll data directly and efficiently, enabling real-time production monitoring and electronic batch records without burdening the existing DCS consoles. The ABB SNAT 7261INT​ thus becomes the critical digital bridge, transforming a legacy control asset into a connected Industry 4.0-ready data source, unlocking immense value for operational intelligence.