ABB SDCS-REB-1 Safety Digital Control System Relay Module

ABB SDCS-REB-1 Safety Digital Control System Relay Module is a dedicated relay/interface component within ABB's Safety Digital Control System (SDCS) family. It is designed to pair with SDCS controllers to support the safety I/O bridge between the controller and field devices, enabling safe control logic to be implemented across safety-rated inputs and outputs. In ABB's DCS800 documentation, the SDCS-REB-1 is described as a signal-routing element used with SDCS-CON-H01(L) control units to connect safety logic to external devices, such as safety relays and sensors, within the SDCS architecture. The module is part of ABB's safety I/O ecosystem that integrates with digital inputs and relay outputs to support machine safety functions, including proper sequencing and fault signaling. When installed and wired according to ABB safety engineering guidelines, the SDCS-REB-1 provides a compact, modular solution for implementing reliable safety circuits in ABB drives and control systems. For detailed specifications, electrical ratings, and installation guidance, refer to ABB's official safety documentation and DCS800 product manuals.