Allen-Bradley 1734-OB4E Digital DC Sourcing Output Module

Allen-Bradley 1734-OB4E is a four-point digital DC sourcing output module for Rockwell Automation's POINT I/O system. It provides four independently controlled 24V DC sourcing outputs that energize external devices such as relay coils, contactors, or signaling devices when commanded by a POINT I/O controller. The module features electronically protected outputs and an open-style, DIN-mounted form factor designed for use with 1734-TB or 1734-TBS base assemblies, suitable for DIN-mounted installations in industrial environments. A 24V DC external power supply powers the outputs, with field-side wiring isolated from the controller side to protect the control system. This configuration makes the 1734-OB4E well-suited for applications requiring positive-supply DC outputs to drive field devices in distributed automation architectures, integrated with Rockwell software tools for configuration and monitoring.