The Beckhoff BK3120 is a Profibus Bus Coupler designed to streamline your industrial automation processes. This robust and reliable device operates with a 24 V dc power supply, ensuring consistent performance even in demanding environments. The BK3120 is capable of connecting up to 64 Bus Terminals, or up to 255 with a K-bus extension, making it a versatile solution for a wide range of applications. It supports a maximum of 128 bytes for both input and output in DP operation, and automatically detects baud rates up to a maximum of 12 Mbaud. The device is also equipped with a D-sub plug, 9-pin with shielding for secure bus connection. With an operating temperature range of -25°C to +60°C, the BK3120 is built to withstand challenging conditions. Its compact design and light weight of approximately 100g make it easy to install in various positions. The Beckhoff BK3120 Profibus Bus Coupler is a high-quality, efficient solution for your automation needs.