1756-OF8HK | Allen-Bradley ControlLogix Analog Output Module

Allen-Bradley 1756-OF8HK – 8-Channel HART Analog Output Module

Key Features

• 8 differential outputs with HART protocol support
• Works with 4-20mA or 0-20mA signals
• Built-in overvoltage protection (24V DC)
• Compatible with ControlLogix systems
• Easy wiring with removable terminal blocks

Technical Specifications

• Output Type: HART analog
• Channels: 8 differential
• Current Range: 0-20mA or 4-20mA selectable
• Isolation: 50V continuous
• Accuracy: ±0.1% of span
• Update Rate: 10ms per channel
• Terminal Blocks: 1756-TBNH or 1756-TBSH
• Power Consumption: 2.5W typical
• Operating Temp: 0°C to 60°C

Installation Guide

• Fits any 1756 ControlLogix chassis
• Use proper terminal blocks (TBNH or TBSH)
• Ground all shield wires properly

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Frequently Asked Questions

1. What is HART protocol used for?
   For two-way communication with smart field devices.
2. Can I mix 4-20mA and 0-20mA outputs?
   Yes, each channel can be configured separately.
3. How many modules fit in one chassis?
   Depends on chassis size – up to 17 modules.
4. Is special software needed?
   Works with standard ControlLogix programming tools.
5. What’s the module weight?
   Approx. 0.6kg (1.3lb).

Package Contents

• 1x 1756-OF8HK module
• Installation guide

Shipping & Support

• 12-month product warranty
• Fast delivery via FedEx, UPS, or DHL