Allen Bradley 1756-OB8I ControlLogix DC Digital Output Module

Overview

The 1756-OB8I is a ControlLogix DC digital output module with isolated channels, designed for precise and reliable control of DC field devices. It features 8 isolated output channels, reducing electrical interference and providing enhanced protection for relays, solenoids, and other DC loads in industrial automation applications.

General Information

Part Number: 1756-OB8I

Manufacturer: Allen Bradley

Brand / Country of Origin: Rockwell Automation / USA

Series: ControlLogix

Type: DC Isolated Output Module

Number of Outputs: 8 Isolated DC Output Channels

Mounting: Chassis-based installation in ControlLogix systems

Technology: Solid-state isolated digital output with integrated diagnostics

Power Specifications

Operating Voltage Range: 10–30 V DC

Nominal Output Voltage: 24 V DC

Backplane Current: 250 mA at 5.1 V DC

Total Backplane Power: 1.28 W

Maximum Continuous Current per Output: 0.5 A

Protection: Electronic overload protection and isolated channel safeguards

Status Indicators: Individual output LEDs and module diagnostics LED

Communication & Interface

System Interface: ControlLogix backplane

Communication Method: High-speed chassis communication

Diagnostics: Output status monitoring, fault detection, and channel isolation feedback

Configuration: Software configurable via ControlLogix platform

Operator Interface: Front-panel LED indicators

Wiring Connection: Removable terminal block compatible

Environmental

Operating Temperature: 0°C to +60°C

Storage Temperature: -40°C to +85°C

Relative Humidity: 5% to 95%, non-condensing

Vibration Resistance: Industrial-grade rated environment

Protection Rating: Open-type module for installation within an enclosure

Dimensions & Weight

Dimensions (L × W × H): 144.57 × 22 × 105.42 mm

Weight: 0.191 kg

In Stock — Ships Quickly!