ABB TB820V2 Modulebus Cluster Modem

The ABB TB820V2 Modulebus Cluster Modem is a module bus modem used for communication and data transfer in the module bus system. It provides high-speed, reliable and stable communication performance for a variety of industrial automation and control systems.

The modem has an electrical interface and an optical interface, and is logically the same bus. Up to 12 I/O modules can be connected to the electrical module bus and 7 clusters can be connected to the fiber module bus. The fiber interface is used for local distribution of I/O clusters and requires more than 12 I/O modules in an I/O station.

The modem has a rotary switch for selecting its cluster numbers, 1 to 7, located on the fiber module bus. In addition, it provides a variety of diagnostic and monitoring functions, including input channel status indication and signal quality monitoring, to ensure system reliability and stability.

In summary, the ABB TB820V2 Modulebus Cluster Modem is a high-performance modular bus modem suitable for a variety of industrial automation and control systems requiring high-speed, reliable and stable communication and data transfer. By using this modem, users can obtain better system performance and reliability.