Allen Bradley 1756-OB16D Controllogix DC Diagnostic Output Module

Overview

The 1756-OB16D is a ControlLogix DC diagnostic output module designed for reliable control of DC field devices while providing advanced output diagnostics. With 16 output channels, it enables accurate monitoring of load conditions, fault detection, and improved system troubleshooting in industrial automation applications.

General Information

Part Number: 1756-OB16D

Manufacturer: Allen Bradley

Brand / Country of Origin: Rockwell Automation / USA

Series: ControlLogix

Type: DC Diagnostic Output Module

Number of Outputs: 16 DC Output Channels

Mounting: Chassis-based installation in ControlLogix systems

Technology: Solid-state digital output with integrated diagnostic capabilities

Power Specifications

Operating Voltage Range: 10–31.2 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 short-circuit and overload protection

Status Indicators: Individual output status LEDs and module diagnostics LED

Communication & Interface

System Interface: ControlLogix backplane

Communication Method: High-speed chassis communication

Diagnostics: Open-wire detection, short-circuit monitoring, and output status reporting

Configuration: Software configurable through the 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: 0.24 kg

Ready for Immediate Dispatch!