Beckhoff BK5120 Overview The Beckhoff BK5120 is a PROFIBUS bus coupler that links modular Beckhoff I/O terminals to PROFIBUS fieldbus systems. It enables flexible expansion and control of distributed I/O, providing high reliability and easy integration into industrial automation networks. Key Features PROFIBUS-DP fieldbus interface Supports modular Beckhoff I/O terminals Automatic configuration detection of connected terminals Compact DIN-rail mount design Diagnostic LEDs for network and I/O status Supports hot-swap of I/O terminals Rugged industrial construction Technical Specifications Part Number: BK5120 Manufacturer: Beckhoff Fieldbus: PROFIBUS-DP Data Rate: Up to 12 Mbaud Mounting Type: DIN-rail Power Supply: 24 V DC Housing Width: 51 mm Operating Temperature: –25 °C to +60 °C Protection Class: IP20 I/O Capacity: Up to 64 terminals Applications Machine automation and control Process monitoring systems Distributed I/O in manufacturing plants Integration with existing PROFIBUS networks Industrial robotics Why Choose the BK5120 Reliable PROFIBUS connectivity for Beckhoff I/O Compact, modular, and easily expandable Diagnostic features for quick troubleshooting Proven performance in industrial environments Order Now The Beckhoff BK5120 PROFIBUS bus coupler is available and ships worldwide. Return to Beckhoff Bus Terminals Return to Beckhoff Category