Allen Bradley 1756-OW16I ControlLogix Isolated Relay Output Module

Overview

The 1756-OW16I is a ControlLogix isolated relay output module designed for reliable switching of DC and AC loads with electrical isolation between channels. Featuring 16 relay outputs, it provides safe operation of solenoids, motors, lamps, and other industrial devices while minimizing electrical interference and protecting sensitive control circuits.

General Information

Part Number: 1756-OW16I

Manufacturer: Allen Bradley

Brand / Country of Origin: Rockwell Automation / USA

Series: ControlLogix

Type: Isolated Relay Output Module

Number of Outputs: 16 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 output LEDs and module diagnostics LED

Communication & Interface

System Interface: ControlLogix backplane

Communication Method: High-speed chassis communication

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

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: 0.39 kg

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