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!