Allen Bradley 1756-OX8I ControlLogix Digital Relay Output Module

Overview

The 1756-OX8I is a ControlLogix digital relay output module designed for safe and flexible switching of DC and AC loads. It features 8 relay output channels with isolation, providing reliable control of solenoids, motors, lamps, and other industrial devices while protecting the control system from electrical interference.

General Information

Part Number: 1756-OX8I

Manufacturer: Allen Bradley

Brand / Country of Origin: Rockwell Automation / USA

Series: ControlLogix

Type: Digital Relay Output Module

Number of Outputs: 8 Isolated Relay Output Channels

Mounting: Chassis-based installation in ControlLogix systems

Technology: Electromechanical relay outputs with channel isolation and diagnostics

Power Specifications

Operating Voltage Range: 10–250 V AC/DC

Nominal Output Voltage: 24 V DC / 120 V AC

Backplane Current: 300 mA at 5.1 V DC

Total Backplane Power: 1.53 W

Maximum Continuous Current per Output: 2 A

Protection: Electrical isolation, overload, and short-circuit protection

Status Indicators: Individual channel LEDs and module diagnostics LED

Communication & Interface

System Interface: ControlLogix backplane

Communication Method: High-speed chassis communication

Diagnostics: Output status, relay health monitoring, and fault detection

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 environment rated

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

Dimensions & Weight

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

Weight: 0.4 kg

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