Allen-Bradley | ControlLogix Output Module 1756-OB16IEFS

Allen-Bradley 1756-OB16IEFS – Precision Motion Control Output Module

Ultra-Fast Scheduled Outputs for Motion Applications

The 1756-OB16IEFS delivers 16 isolated outputs with 23µs response time for precise motion control. Supports MAOC instruction and 10-30V DC operation.

Key Advantages

• Motion Axis Output Cam (MAOC) support
• Ultra-fast switching: 14µs typical, 23µs max
• 16 fully isolated outputs
• High power: 2A per point at 30°C
• Precision scheduling down to 5µs intervals

Technical Specifications

• Brand: Allen-Bradley
• Model: 1756-OB16IEFS (Full suffix: 1756-OB16IEFS/A)
• Voltage Range: 10-30V DC
• Surge Current: 4A for 10ms (repeatable)
• Isolation: 250V continuous
• PWM Accuracy: ±20µs
• Scheduling Resolution: 5µs minimum
• Backplane Power: 350mA at 5V

System Integration

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

Our Commitment

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

Technical FAQ

• Q: What makes this module unique for motion control?
  A: It’s the only module supporting MAOC instruction in remote chassis.
• Q: How precise is the output timing?
  A: Can schedule outputs with 5µs resolution.
• Q: Can I use it with standard (non-motion) applications?
  A: Yes – works for any high-speed output needs.
• Q: What’s the minimum load requirement?
  A: Needs at least 1mA per output.
• Q: Does it need external fuses?
  A: No – has electronic fusing per point.

Need motion control details? Download the complete 1756-OB16IEFS manual here.