Allen-Bradley | 1756-OB16E | ControlLogix

Product Description: Allen-Bradley 1756-OB16E

The Allen-Bradley 1756-OB16E is a ControlLogix digital DC output module that provides 16 electronically fused sourcing outputs. It is designed to control DC-powered devices such as solenoids, indicator lights, and relays, with robust protection features to enhance system reliability. Operating in a sourcing (positive logic) configuration, this module offers advanced diagnostics and output status indication to simplify troubleshooting and maintenance in industrial automation environments. It integrates seamlessly with the ControlLogix platform, supporting high- performance, modular, and distributed control architectures.

Product Type

• Digital DC Output Module
• Series: ControlLogix
• Output Type: Sourcing (positive logic)
• Number of Outputs: 16
• Electronic Protection: Yes (electronically fused)

Key Features

• 16 sourcing outputs for 10–30V DC operation
• Individually electronically fused outputs for enhanced protection
• Real-time output and fault diagnostics
• Per-channel LED status indicators
• Supports high-speed output applications
• Output current capacity: 1 A per point, 8 A max per module
• Removable terminal block for easy field wiring
• Compatible with Studio 5000 and Logix5000 controllers
• Conformal coated versions available for harsh environments

Technical Specifications

• Voltage Range: 10–30V DC
• Nominal Voltage: 24V DC
• Output Current:
  • 1 A max per output
  • 4 A max per group (2 groups of 8)
  • 8 A max per module
• Current Draw @ 5.1V: ~120 mA
• Current Draw @ 24V: ~100 mA
• Isolation Voltage: 250V (continuous, type tested)
• Point-Level Diagnostics: Yes (including short circuit and open load detection)
• Module Status Indicators: Individual point LEDs + fault LED
• Wiring: Removable terminal block (RTB), 36-pin (sold separately)
• Operating Temperature: 0°C to 60°C
• Certifications: UL, CSA, CE, C-Tick, ATEX (select models)

Application Areas

• High-performance automation systems
• Material handling and conveyor control
• Packaging equipment
• Automotive production lines
• Complex process control environments

Advantages

• Advanced diagnostics help reduce downtime and improve system visibility
• Electronic fusing eliminates the need for external protection devices
• Modular design reduces installation time and simplifies maintenance
• Designed for use in safety-critical and mission-critical control systems
• Seamlessly integrates with the Rockwell Automation ControlLogix family