Discrete Output Module Allen-Bradley 1756-OB16D Diagnostic

Product Overview

The Allen-Bradley 1756-OB16D is a diagnostic DC output module. It belongs to the ControlLogix family. This module provides 16 output points. It operates at 12/24V DC source voltage. The voltage range is 19.2 to 30 Volts DC. Each point can handle up to 2 Amps. The module supports 8 Amps total at 30 degrees Celsius. It supports 4 Amps total at 60 degrees Celsius. This module uses a removable terminal block. It offers diagnostic capabilities for easier troubleshooting. The 1756-OB16D is a reliable choice for industrial control.

Application Scenarios

This module is ideal for factory automation systems. It works well in discrete manufacturing environments. Use it to control solenoids, valves, and indicators. It fits into ControlLogix chassis for centralized control. The diagnostic features help reduce downtime. It suits applications needing high current per point. It is perfect for 24V DC control systems. Machine builders and system integrators use it often.

Technical Specifications

Outputs: 16-Point Diagnostic. Voltage Category: 12/24V DC source. Operating Voltage Range: 19.2-30 Volts DC. Maximum Output Current Rating-Point: 2 Amps. Maximum Output Current Rating-Module: 8 Amps at 30 degrees Celsius and 4 Amps at 60 degrees Celsius. Power Dissipation (Max): 3.3 Watts at 60 Celsius. Backplane Current at 5 Volts: 250 milliamps. Backplane Current at 24 Volts: 140 milliamps. Isolation Voltage: 50 Volts Continuous. Enclosure: None.

Installation & Maintenance Guide

Install the module into a ControlLogix chassis. Use a 1756-TBCH or 1756-TBS6H terminal block. Ensure the backplane power is off before installation. Wire the outputs according to your load requirements. Use proper wire gauges for 2 Amps per point. Check the module status using diagnostic LEDs. Keep the module free from dust and moisture. Follow Rockwell Automation guidelines for safety.

Packing List

1x Allen-Bradley 1756-OB16D Diagnostic DC Output Module. 1x Removable Terminal Block (1756-TBCH or 1756-TBS6H). 1x Installation Instructions. The module is packaged securely for shipping. We ship via Fedex, UPS, or DHL.