1756-OB16IEF | 16 Points Fast Isolated Output Module

Allen-Bradley 1756-OB16IEF ControlLogix Fast Isolated Output Module – 16 Points, 10-30V DC

Product Overview

The Allen-Bradley 1756-OB16IEF is a high-speed, isolated DC output module featuring ultra-fast 25μs response time and 16 individually isolated outputs. Designed for precision control applications, it supports Pulse Width Modulation (PWM) and peer-to-peer communication with 10-30V DC operation.

Technical Specifications

• Brand: Allen-Bradley (Rockwell Automation)
• Model: 1756-OB16IEF
• Type: Fast Isolated DC Output
• Voltage Range: 10-30V DC
• Current per Point: 2A @ 30°C, 1A @ 60°C
• Response Time: <25μs (industry-leading)
• Isolation: 250V continuous (per point)
• PWM Range: 1ms to 1 hour cycle time
• Power Consumption: 350mA @ 5V, 3mA @ 24V

Key Features

• Ultra-fast 25μs response for precision control
• Point-to-point isolation (250V continuous)
• Advanced PWM functionality (200μs min on-time)
• Configurable fault states (Hold/Last/On/Off)
• CIP Sync compatible for synchronized operation
• Electronic fusing with diagnostic feedback

Installation & Compatibility

Requires 1756-TBCH or 1756-TBS6H terminal blocks. Compatible with all ControlLogix chassis. Designed for use with ControlLogix 5570/5580 processors.

Certifications

Meets UL, CE standards for industrial automation.

Package Contents

• 1x 1756-OB16IEF module
• Installation documentation

Ideal Applications

• High-speed motion control
• Precision PWM applications
• Synchronized multi-axis systems
• Safety-critical output circuits

Note: Requires CIP Sync master clock for full timestamp functionality.