Beckhoff BC3100 original Bus Terminal System

The Beckhoff BC3100 is a PROFIBUS Bus Coupler for the Bus Terminal I/O system. Based on the Beckhoff naming convention, the "BC" prefix indicates a Bus Coupler, and "3100" identifies the PROFIBUS communication protocol and configuration. It serves as the interface between the Bus Terminal I/O modules and a PROFIBUS network, managing data exchange between the I/O terminals and the PROFIBUS master.