1756-IA16I Allen-Bradley Isolated Module

Allen-Bradley ControlLogix 1756-IA16I Isolated AC Input Module

The 1756-IA16I is a 16-channel isolated AC input module from the Allen-Bradley ControlLogix series. Rockwell Automation designed this module with 1500V AC isolation between channels to eliminate ground loop issues. It works with 120V AC signals and provides reliable detection in industrial environments.

Key Features

• 16 isolated AC input channels for industrial control systems
• 1500V AC isolation between channels eliminates ground loops
• Works with 120V AC signals (79-132V AC range)
• Programmable response time from 9-18 ms
• Easy installation in any ControlLogix chassis slot
• Front LED indicators for per-channel status

Technical Specifications

• Brand: Allen-Bradley / Rockwell Automation
• Series: ControlLogix
• Model: 1756-IA16I
• Type: 16-channel isolated AC input module
• Input Voltage Range: 79-132V AC
• Frequency Range: 47-63 Hz
• On-State Current: 5-15 mA
• Response Time: 9-18 ms programmable
• Power Consumption: 4.9W max
• Operating Temperature: 0-60°C
• Isolation: 1500V AC between channels

Module Variants

• 1756-IA16I/A - Standard version
• 1756-IA16I/B - Extended temperature range
• 1756-IA16I/C - High-density version

Installation Guide

• Fits any ControlLogix chassis slot
• Requires 1756-TBCH terminal block
• Tool-free installation for quick mounting
• Front LED indicators for status monitoring

Compatibility

• Works with all ControlLogix processors
• Compatible with Studio 5000 software
• Supports remote I/O configurations

Industrial Applications

• Motor status monitoring
• Conveyor belt controls
• Pump system diagnostics
• HVAC equipment monitoring
• Lighting control systems

Problem Solving

• Eliminates ground loop issues with isolated inputs
• Reduces wiring complexity in high-voltage systems
• Provides reliable AC signal detection
• Prevents false triggers from electrical noise

Package Includes

• 1x Allen-Bradley 1756-IA16I isolated AC input module
• 1x installation guide
• 1x mounting screws
• 1x front label sheet

Shipping Information

• FedEx 2-day delivery available
• UPS ground shipping option
• DHL express international
• Same day dispatch for orders before 3PM

Technical Documentation

📥 Download Product Datasheet PDF

FAQ

1. What is the isolation rating for the 1756-IA16I?

The module provides 1500V AC isolation between channels, eliminating ground loop issues.

2. What terminal block does this module require?

The 1756-IA16I requires the 1756-TBCH terminal block for wiring connections.

3. What is the programmable response time range?

The response time is 9-18 ms programmable via Studio 5000 software.