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1756-OH8I

1756-OH8I Allen-Bradley | Isolated DC Output Module

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  • Manufacturer: Allen-Bradley

  • Product No.: 1756-OH8I

  • Product Type: Output Module

  • Product Origin: USA

  • Payment:T/T, Western Union

  • Weight: 145g

  • Shipping port: Xiamen

  • Warranty: 12 months

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Düşündiriş

Allen-Bradley ControlLogix 1756-OH8I Isolated DC Output Module

The 1756-OH8I is an isolated DC output module from the Allen-Bradley ControlLogix series. Rockwell Automation designed this module with 8 fully isolated outputs for 120V DC sink/source applications. Each point delivers 2A current capacity with 250V output-to-backplane isolation to prevent ground loops.

Key Features

  • 8 Isolated Outputs: 120V DC sink/source
  • High Current Capacity: 2A per point (8A total)
  • Wide Voltage Range: 90-146V DC operation
  • Fast Switching: 2ms response time
  • Robust Isolation: 250V output-to-backplane
  • Industrial Tough: 20G shock, 2G vibration rated
  • Individual Isolation: Prevents ground loops
  • Space-Saving: 8 outputs in single slot

Technical Specifications

  • Brand: Allen-Bradley / Rockwell Automation
  • Series: ControlLogix
  • Model: 1756-OH8I
  • Output Type: Isolated sink/source
  • Output Points: 8 isolated
  • Voltage Range: 90-146V DC
  • Current per Point: 2A (8A total module)
  • Leakage Current: ≤1mA (OFF state)
  • Voltage Drop: 2V DC @ 2A (ON state)
  • Surge Capacity: 4A per point (momentary)
  • Response Time: 2ms
  • Isolation Voltage: 250V output-to-backplane
  • Isolation Test: 1350V AC for 2s
  • Backplane Power: 210mA @ 5.1V DC (1.1W total)
  • Temperature Rating: T4A
  • Operating Temperature: 0°C to 60°C (32°F–140°F)
  • Shock Rating: 20G
  • Vibration Rating: 2G
  • Terminal Blocks: 1756-TBCH, 1756-TBS6H

Package Contents

  • 1x Allen-Bradley 1756-OH8I isolated DC output module
  • 1x installation documentation
  • 1x terminal labels

Technical Documentation

📥 Download Product Datasheet PDF

FAQ

1. How many outputs does the 1756-OH8I have?

The 1756-OH8I features 8 fully isolated DC outputs with 2A capacity per point.

2. What is the voltage range for this module?

It operates from 90-146V DC (120V nominal) with sink/source configuration.

3. What isolation does this module provide?

It provides 250V output-to-backplane isolation with 1350V AC dielectric test rating.

🏷️ Tags: Output Module
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