1756-OB16IEF ControlLogix DC Output Module | Allen-Bradley

Allen-Bradley 1756-OB16IEF – Ultra-Fast 16-Channel Isolated Output Module

Lightning-Speed Control for Critical Applications

The 1756-OB16IEF delivers 16 isolated outputs with 25µs response time. Perfect for high-speed automation using 10-30V DC. Features PWM and advanced diagnostics.

Why Choose This Module?

• Ultra-fast 25µs response time
• 16 fully isolated outputs
• PWM support (1ms to 1 hour cycles)
• High power: 2A per point at 30°C
• Advanced fault diagnostics

Technical Specifications

• Brand: Allen-Bradley
• Model: 1756-OB16IEF (Full suffix: 1756-OB16IEF/B)
• Voltage Range: 10-30V DC
• Surge Current: 4A for 10ms (repeatable)
• Isolation: 250V continuous
• PWM Accuracy: ±20µs
• Backplane Power: 350mA at 5V
• Temp Range: 0°C to 60°C

Easy Integration

• Works with 1756-TBCH/TBS6H terminals
• Fits all ControlLogix chassis
• CIP Sync compatible
• Configurable fault states

Our Promise

• 12-month performance guarantee
• Worldwide shipping via FedEx, UPS, DHL

Expert Answers

• Q: How fast can it switch outputs?
  A: Responds in under 25 microseconds.
• Q: Can I use different voltages per output?
  A: Yes – all 16 outputs are fully isolated.
• Q: What’s the minimum PWM cycle time?
  A: 1 millisecond minimum cycle.
• Q: Does it need external fuses?
  A: No – has electronic fusing per point.
• Q: Can it sync with other devices?
  A: Yes – works as CIP Sync slave.

Need detailed specifications? Download the complete 1756-OB16IEF manual here.