Allen-Bradley | 1756-OB16D ControlLogix DC Output Module

Allen-Bradley 1756-OB16D – 16-Channel Diagnostic DC Output Module

Key Benefits

• 16 diagnostic outputs with per-point monitoring
• Works with 19.2-30V DC systems
• Handles 2A per channel (8A total)
• Ultra-fast 1ms response time
• Built-in fault detection for each output

Technical Specifications

• Output Type: DC diagnostic
• Voltage Range: 19.2-30V DC
• Current per Point: 2A @30°C (1A @60°C)
• Total Current: 8A @30°C (4A @60°C)
• Switching Speed: 1ms max (OFF to ON)
• Diagnostics: Open wire, short circuit detection
• Terminal Blocks: 1756-TBCH or 1756-TBS6H
• Isolation: 250V continuous
• Power Use: 3.3W max

Easy Setup

• Fits any 1756 ControlLogix chassis
• Hot-swappable design
• LED indicators for each channel

Download Full Documentation

Get complete specs for the 1756-OB16D: Download Manual

Common Questions

1. What does “diagnostic” mean?
   Detects and reports wiring faults and load failures.
2. Can I use this for LED arrays?
   Yes, perfect for lighting control up to 2A.
3. How does fault detection work?
   Monitors current flow to detect opens/shorts.
4. Is special wiring needed?
   Standard 1756-TBCH/TBS6H terminal blocks.
5. What’s the module weight?
   Approx. 0.5kg (1.1lb).

What’s Included

• 1x 1756-OB16D output module
• Installation guide

Shipping & Support

• 12-month quality guarantee
• Fast global shipping via FedEx, UPS, DHL