Allen-Bradley 1756-OB16IEFS ControlLogix Fast Output Module

Allen-Bradley 1756-OB16IEFS – Ultra-Fast Motion Control Output Module

Download technical manual: Get Installation Guide

Power & Protection

• 16 isolated channels with e-fuse protection
• High-current capacity: 2A per point (8A total)
• Voltage range: 10-30V DC flexible operation
• Surge handling: 4A for 10ms (repeatable)
• Isolation: 250V continuous protection

Technical Specifications

• Brand: Allen-Bradley/Rockwell
• Model: 1756-OB16IEFS (ControlLogix series)
• PWM Accuracy: ±20µs precision timing
• Backplane Power: 350mA @5V DC
• Heat Output: 3.6 Watts max
• Response Time: 23µs ON/OFF switching
• Terminal Blocks: 1756-TBCH or 1756-TBS6H
• Weight: Standard ControlLogix module size

Smart Configuration

• Customizable fault responses (Hold/On/Off)
• Adjustable fault duration (1s to Forever)
• Program mode state control
• Auto-recovery after faults

Industrial Reliability

• Operates from 0°C to 60°C
• Handles high-vibration environments
• Low leakage current: <0.1mA per point

Global Warranty & Shipping

• 12-month performance warranty
• Worldwide delivery: FedEx, UPS, DHL
• Includes module, documentation

Expert FAQs

• Q: What makes this module unique for motion control?
  A: Exclusive MAOC instruction support for position-based output
• Q: How precise is the output timing?
  A: 5µs scheduling intervals with ±20µs accuracy
• Q: Can it handle motor inrush currents?
  A: Yes, 4A surge for 10ms (repeatable every 2s)
• Q: What happens during power faults?
  A: Configurable responses: hold state, turn on, or turn off
• Q: Is it compatible with standard ControlLogix?
  A: Yes, works in any 1756 chassis slot