Allen-Bradley 1756-OB16DK | ControlLogix DC Output Module

Allen-Bradley 1756-OB16DK – 16-Channel Diagnostic DC Output Module

Smart Output Control with Diagnostics

The 1756-OB16DK offers 16 diagnostic DC outputs for advanced monitoring. Works with 19.2-30V DC systems. Perfect for critical applications needing real-time feedback.

Key Benefits

• 16 outputs with built-in diagnostics
• Fast response: 1ms ON, 5ms OFF
• High power: 2A per point at 30°C
• Robust design: Conformal coating for harsh environments
• Works with 1756-TBCH/TBS6H terminals

Technical Specifications

• Brand: Allen-Bradley
• Model: 1756-OB16DK (Full suffix: 1756-OB16DK/A)
• Voltage Range: 19.2-30V DC (24V typical)
• Surge Rating: 5A for 100ms
• Isolation: 50V continuous
• Power Use: 250mA at 5V DC
• Temp Range: -40°C to 60°C

System Integration

• Fits all 1756 ControlLogix chassis
• Works with 5580 controllers
• Supports 22-14 AWG wiring

Our Guarantee

• 12-month product warranty
• Worldwide shipping via FedEx, UPS, DHL

Technical FAQ

• Q: What diagnostic features are included?
  A: Open circuit, short circuit, and load monitoring.
• Q: Can I use this for safety circuits?
  A: No – use safety-rated modules for SIL applications.
• Q: How are the outputs grouped?
  A: 2 groups of 8 outputs each.
• Q: What’s the minimum load requirement?
  A: 10mA minimum per output.
• Q: Is this module vibration-resistant?
  A: Yes – rated for 2G vibration.

Need wiring diagrams or full specs? Download the 1756-OB16DK manual here.