1756-IF16H Allen-Bradley | ControlLogix Analog Input Module

Allen-Bradley 1756-IF16H – 16-Channel HART Analog Input Module

Key Features

• 16 isolated inputs with HART protocol support
• High 21-bit resolution for precise measurements
• Dedicated HART modem per channel
• Works with 4-20mA and 0-20mA signals
• Built-in diagnostics for process monitoring

Technical Specifications

• Input Type: Current with HART
• Channels: 16 differential
• Current Range: 0-20mA or 4-20mA
• Resolution: Up to 21-bit
• Accuracy: ±0.13% of range
• Scan Time: 11-328ms (filter dependent)
• Terminal Blocks: 1756-TBCH or 1756-TBS6H
• Power Use: 4.02W max
• Wire Gauge: 22-14 AWG

Easy Installation

• Fits any 1756 ControlLogix chassis
• Simple single-wire connection
• LED indicators for status monitoring

Download Complete Manual

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Expert Answers

1. What is HART protocol used for?
   Two-way communication with smart field devices.
2. Can I mix 4-20mA and 0-20mA signals?
   Yes, each channel can be configured separately.
3. How many modules fit in one chassis?
   Depends on chassis size – up to 17 modules.
4. What’s the advantage of 21-bit resolution?
   Provides extremely precise measurement data.
5. Is special software needed?
   Works with standard ControlLogix programming tools.

Package Contents

• 1x 1756-IF16H input module
• Installation guide

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