The KL9050 is a coupler terminal designed for K-bus extension in Beckhoff's Bus Terminal system. Here's a concise description:

• Functionality: Acts as a bridge between Bus Terminal blocks, replacing the Bus Coupler.

• Connectivity: Features two RJ45 sockets for input and output, enabling system extension.

• Capacity: Supports up to 64 Bus Terminals with a maximum distance of 5 meters between stations.

• Power Supply: Operates on 24 V DC with a built-in 400 mA K-bus power supply unit.

• Isolation: Provides electrical isolation between internal electronics and field level.

• Diagnostics: Equipped with three LEDs for monitoring supply voltage.

• Special Features: Includes a selector switch to toggle between functions as the last coupler terminal or a bridge.