The BK1120 EtherCAT Coupler is the link between the EtherCAT protocol at fieldbus level and the Bus Terminals. The coupler

converts the passing telegrams from Ethernet 100BASE-TX to the internal, fieldbus-independent terminal bus. A station consists of

a coupler and up to 64 Bus Terminals plus a bus end terminal. The process image of the EtherCAT system is assigned automatically.

Up to 255 Bus Terminals can be connected via the K-Bus extension.

Special features:

• Connection technology: 2 x RJ45 socket

• Connection lengths: up to 100 m

• connects the EtherCAT protocol with the Bus Terminals