ABB DSBC 174 3BSE012211R1 Advant Master Process Control System.ABB DSBC 174 Bus Extender The ABB DSBC 174 (Product ID: 3BSE012211R1) is a Bus Extender module for the S100 I O Bus, part of the ABB Advant Master Process Control System. It is designed to extend the communication bus, allowing I O modules to be installed in remote locations while maintaining reliable and synchronized data transfer across the system. Key Specifications Parameter Specification Product ID 3BSE012211R1 Type Designation DSBC 174 Product