Allen-Bradley 1756-OB8EI ControlLogix DC Output Module

The Allen-Bradley 1756-OB8EI is an eight-point ControlLogix DC digital output module that provides independently isolated, electronically fused outputs for 10–30 V DC field devices. Each of the eight outputs is rated for up to 2 A, enabling direct energization of solenoids, relays, indicators, and other 10–30 V DC loads from a ControlLogix backplane. The EI designation indicates galvanic isolation between channels, helping limit fault propagation, while electronic fusing provides overload protection on every output. This module plugs into a 1756 ControlLogix I/O backplane and is designed to operate within standard ControlLogix chassis configurations, delivering reliable, channel-by-channel control of DC loads in industrial automation applications.