Allen-Bradley 1756-OB16EK Electronic Fused DC Output Module

The Allen-Bradley 1756-OB16EK delivers advanced 16-point DC output control with electronic fusing. This Rockwell Automation module features conformal coating for harsh environments. It provides reliable performance for industrial automation applications.

Product Overview

• Brand: Allen-Bradley
• Manufacturer: Rockwell Automation
• Model Number: 1756-OB16EK
• Series: ControlLogix
• Module Type: Electronic Fused DC Output

Electrical Specifications

• Output Channels: 16 points electronically fused
• Voltage Range: 10-31.2V DC operating
• Current Rating: 1A per point @ 60°C
• Total Module Current: 8A @ 60°C maximum
• Power Dissipation: 4.1 Watts maximum
• Response Time: <1ms typical switching

Protection & Safety Features

• Electronic fusing eliminates physical fuse replacement
• Conformal coating provides environmental protection
• Short circuit and overload automatic protection
• Isolation rating: 50V continuous
• LED indicators for individual channel status

Environmental Specifications

• Operating Temperature: 0°C to 60°C (32°F to 140°F)
• Storage Temperature: -40°C to 85°C (-40°F to 185°F)
• Relative Humidity: 5% to 95% non-condensing
• Vibration Resistance: 2G @ 10-500 Hz
• Shock Rating: 30G operational

Installation & Compatibility

• Fits any slot in 1756 ControlLogix chassis
• Compatible with 1756-TBNH and 1756-TBSH terminal blocks
• Works with all ControlLogix processors
• Single slot width for space-efficient mounting

Power Requirements

• Backplane Current: 250mA @ 5.1V DC
• Load Voltage: 10-31.2V DC sourced
• Leakage Current: <1mA per point off state
• Voltage Drop: <1.5V @ rated current

Shipping & Warranty

• Includes one 1756-OB16EK output module
• International shipping via FedEx, UPS, DHL
• Comprehensive 12-month warranty

Technical Resources

• Download complete specifications and installation guide
• Access Product Documentation

Frequently Asked Questions

• What does electronic fusing provide?
  Electronic fusing offers automatic reset capability without physical fuse replacement needs.
• What applications suit this module best?
  The 1756-OB16EK ideal for solenoid valves, relays, and indicator lights in harsh environments.
• How does conformal coating help?
  The coating protects against moisture, dust, and chemical contaminants in challenging industrial settings.
• Can this module handle inductive loads?
  Yes, it designed for standard industrial loads including small motors and solenoids.
• What diagnostic capabilities included?
  It provides per-point status monitoring and fault detection through LED indicators and software.

© 2025 Ubest Automation Limited. All rights reserved.
Original Source: https://www.ubestplc.com/
Contact: sales@ubestplc.com | Phone: +86 180 3000 5825