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Allen-Bradley 1756-OB16D ControlLogix Diagnostic Output Module

Allen-Bradley ControlLogix 16-point DC Diagnostic Output Module

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ManufacturerAllen Bradley

Part number1756-0B16D

Number of Outputs 16

Output Voltage 19.2-30V DC

Output Current (per point) 2A max @ 30°C, 1A max @ 60°C

Output Current (per module) 8A max @ 30°C, 4A max @ 60°C

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16 Diagnostic Outputs 2 Groups of 8 Points Electronic Fusing Per Point 19.2-30V DC Operating Voltage 24V DC Source Voltage Category Diagnostic Features

Product description

The Allen-Bradley 1756-OB16D is a ControlLogix DC diagnostic output module featuring 16 diagnostic outputs, organized into two groups of 8 points. It operates within a voltage range of 19.2 to 30V DC, with a linear derating output current rating of 2A maximum at 30°C and 1A maximum at 60°C per point. The module supports a 24V DC source voltage category and has electronically fused, per-point protection.

This module is ideal for industrial automation systems requiring precise output control and diagnostic feedback. Its applications span various industries, including manufacturing, process control, and material handling, where reliable signaling and fault detection are critical for operational efficiency and safety.

Stanlo Automation, a veteran-owned business, offers the 1756-OB16D with a commitment to quality and service. We ensure genuine products and provide a 1-year warranty, making us your trusted source for industrial automation surplus parts. Source your automation needs from Stanlo for reliability and value.

Technical specifications

Number of Outputs	16
Output Voltage	19.2-30V DC
Output Current (per point)	2A max @ 30°C, 1A max @ 60°C
Output Current (per module)	8A max @ 30°C, 4A max @ 60°C
Voltage Category	24V DC Source
Backplane Current	140 mA @ 24V DC, 250 mA @ 5.1V DC
Operating Temperature	0-60°C

Common applications

Manufacturing

Process Control

Material Handling

Factory Automation

Machine Control

Industrial Automation

Compatible systems

ControlLogix Chassis

Also known as

Allen-Bradley 1756-OB16D ControlLogix Output Module 16 Point DC Output Diagnostic Output Module

Replaces / compatible with

The 1756-OB16D is a ControlLogix diagnostic output module. It is compatible with any ControlLogix chassis.

Technical note

Expert tip

Requires a 36-position removable terminal block (RTB), such as the 1756-TBCH or 1756-TBS6H.

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Frequently asked questions

What are the key technical specifications of the Allen-Bradley 1756-OB16D?

The 1756-OB16D features 16 diagnostic outputs, operates from 19.2-30V DC, and has a 24V DC source voltage category. It offers a per-point output current rating of up to 2A at 30°C and 1A at 60°C, with a total module current of 8A at 30°C.