ABB DSQC 322 3HAB 9669-1 Digital IO Relay Board

ABB 3HAB9669-1 DSQC 332 digital relay I/O unit is a compact digital relay I/O board intended for ABB robot systems, providing a single module that handles both sensor inputs and actuator outputs. It offers 16 digital inputs and 16 relay outputs, enabling direct interfacing of external devices to the robot controller while supporting straightforward diagnostics via built-in LED indicators. The module operates on 24 VDC logic, with a high input range typically defined between 15 and 35 VDC and a low range from 0 to 5 VDC, and each relay output is capable of switching up to 2 A per channel. The 16 I/O channels are organized into two galvanically isolated groups of 8, which helps minimize electrical interference between input and output functions. Common applications include reading digital sensors and limit switches and driving relay-controlled actuators within ABB automation cells, where reliable discrete I/O is required for sequencing, safety interlocks, and status signaling. The 3HAB9669-1 designation identifies this unit as part of the DSQC 332 family of digital I/O modules, a configuration frequently encountered in ABB robotics control configurations for enhanced modularity and expandability.