Allen-Bradley 1756-OB16D

Allen-Bradley 1756-OB16D | ControlLogix Diagnostic Output Module (16-Point, 19–30V DC Sourcing)

Overview

The Allen-Bradley 1756-OB16D is a 16-point DC digital output module with built-in diagnostics, engineered for use with ControlLogix systems. Operating at 19.2–30V DC, this sourcing-type output module provides point-level diagnostics to detect short circuits, open loads, and other output faults—improving system visibility and reducing troubleshooting time.

This module is compatible with 1756-TBCH or 1756-TBS6H removable terminal blocks and integrates seamlessly with Studio 5000 Logix Designer for real-time monitoring and control.

Key Features

• 16 Sourcing DC Outputs – Voltage category: 12/24V DC

• Point-Level Diagnostics – Detects open circuits, short circuits, and field device faults

• Output Voltage Range: 19.2–30V DC

• High-Density Design – Compact and reliable for modern control panels

• Channel Status LEDs – Individual output and fault indication

• Hot-Swappable Module – No system shutdown required for replacement

• Compatible with Studio 5000 – Full integration for configuration and monitoring

• Removable Terminal Block Options: 1756-TBCH or 1756-TBS6H

Technical Specifications

• Catalog Number: 1756-OB16D

• Number of Outputs: 16

• Voltage Category: 12/24V DC sourcing

• Operating Voltage Range: 19.2–30V DC

• Output Current per Channel: 1.0 A max

• Total Current per Module: 8.0 A max

• Backplane Current: ~180 mA @ 5.1V DC

• Connector Type: 36-pin RTB (sold separately)

• Protection: Electronic with diagnostics

• Isolation Voltage: 250V continuous

• Operating Temperature: 0°C to +60°C

• Mounting: ControlLogix chassis

Applications

• Discrete Output with Diagnostics – Real-time fault detection

• Material Handling and Conveyors – Improved system uptime

• Automotive & Packaging Equipment – Precise, protected output switching

• Predictive Maintenance Systems – Enhance system reliability and monitoring

Why Choose the 1756-OB16D?

• Built-in diagnostics at the point level for better fault isolation

• High-performance sourcing outputs with reliable protection

• Easily integrates into ControlLogix architecture with RTB options

Order Now

In stock and ready for global shipping. the right terminal block? Just let me know!

NEW product in original sealed packaging. The product may be of older version or design. The packaging may have markings, signs of discoloration, and wear. DDPARTSSOLUTION Warranty: 1 Year. Manufacturer's Warranty and Support NEVER apply