Allen-Bradley 1756-IA16 16-Channel AC Input

Allen-Bradley ControlLogix 1756-IA16 AC Input Module

The 1756-IA16 is a 16-channel AC input module from the Allen-Bradley ControlLogix series. Rockwell Automation designed this module for industrial automation applications requiring 74-132V AC input sensing. It features configurable response times and grouped inputs for reduced wiring.

Core Specifications

• Brand: Allen-Bradley / Rockwell Automation
• Series: ControlLogix
• Model: 1756-IA16
• Type: 16-channel AC input module
• Input Voltage Range: 74-132V AC
• Operating Frequency: 47-63 Hz
• Response Time: 8-18 ms (configurable)
• Power Consumption: 5.8W max

Module Details

• Input Groups: 2 groups of 8 channels
• LED Indicators: Per channel status indication
• Terminal Blocks: Compatible with 1756-TBNH or 1756-TBSH
• Chassis Compatibility: All ControlLogix chassis

Performance Data

• On-State Current: 5mA (min) to 13mA (max)
• Off-State Current: 2.5mA max
• Update Speed: 200μs to 750ms (configurable)
• Isolation: 1500V between groups

Installation Features

• Tool-free mounting for quick installation
• Front-accessible wiring simplifies connections
• Hot-swappable design allows replacement without power down
• Status LEDs visible from front panel

Technical Advantages

• Reduces wiring with grouped inputs (2 groups of 8)
• Handles dirty power environments effectively
• Configurable response times for application flexibility
• Works reliably in high-vibration areas
• 1500V isolation between groups for enhanced safety

Industrial Applications

• Machine safety circuits
• Motor starter feedback
• Conveyor position sensing
• HVAC equipment monitoring
• Lighting control systems

Package Includes

• 1x Allen-Bradley 1756-IA16 AC input module
• 1x installation documentation
• 1x mounting hardware
• 1x safety information sheet

Shipping Options

• FedEx Priority Overnight
• UPS 2-Day Air
• DHL Express Worldwide
• Ground shipping available

Technical Documentation

📥 Download Product Datasheet PDF

FAQ

1. What is the input voltage range for the 1756-IA16?

The input voltage range is 74-132V AC at 47-63 Hz.

2. Is the 1756-IA16 hot-swappable?

Yes, it features hot-swappable design for replacement without system shutdown.

3. What terminal blocks are compatible with this module?

It works with 1756-TBNH or 1756-TBSH terminal blocks.