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Allen-Bradley 1756-IA16I ControlLogix 16-point isolated AC input module

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Allen-Bradley 1756-IA16I

by Allen-Bradley

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OverviewElevate your industrial control systems with the Allen-Bradley 1756-IA16I ControlLogix Isolated Input Module. This robust 16-point AC input device is specifically engineered for seamless integration into ControlLogix platforms, delivering exceptional signal integrity and unwavering reliability. Its innovative design features individually isolated inputs, effectively mitigating noise interference and cross-channel irregularities, a critical advantage in sensitive industrial environments. Operating within a 79-132V AC voltage range, with a nominal on-state voltage of 120V AC, the 1756-IA16I ensures precise and dependable detection of high-voltage AC signals. This makes it an essential component for demanding industrial applications where accuracy and resilience are paramount.Designed for optimal performance, the 1756-IA16I module integrates effortlessly with 1756-TBCH or 1756-TBS6H Removable Terminal Block (RTB) housings. This compatibility guarantees secure and reliable wiring connections, simplifying both installation and ongoing maintenance while ensuring long-term operational stability. With its compact ControlLogix form factor, this module not only provides superior functionality but also maximizes space utilization within your control panels. Experience the reliability and precision that only Allen-Bradley can deliver for your essential control infrastructure.Key Features 16 Individually Isolated AC Input Channels: Offers outstanding signal clarity and reduces electrical interference for critical operations. Broad Operating Voltage Range (79-132V AC): Ideal for high-voltage industrial applications requiring consistent output. Precise 120V AC Nominal On-State Input: Guarantees accurate and dependable signal processing for superior command. Enhanced Noise Reduction and Cross-Channel Isolation: Preserves data integrity and system stability in challenging industrial settings. Compatibility with 1756-TBCH or 1756-TBS6H RTBs: Facilitates secure, tool-free wiring connections for rapid setup and upkeep. Space-Saving ControlLogix Design: Optimizes panel real estate without sacrificing robust functionality or performance. Seamless Integration with Rockwell Automation Systems: Ensures effortless compatibility and scalability within your existing infrastructure. Technical Specifications Model: 1756-IA16I Number of Inputs: 16 (Individually Isolated) Operating Voltage: 79-132V AC Nominal On-State Voltage: 120V AC Connector Type: 36-Pin Compatible Terminal Blocks: 1756-TBCH, 1756-TBS6H Mounting Type: ControlLogix Chassis Series: ControlLogix Applications Advanced Factory Automation Precisely monitors high-voltage AC signals in complex manufacturing lines, ensuring operational efficiency and safety. Critical Process Control Systems Delivers stable and accurate AC input detection for sensitive processes in chemical, oil & gas, and pharmaceutical industries. Machine Interface and Robotics Management Provides seamless and reliable integration with various control systems, enhancing human-machine interaction and robotic precision. SCADA & Distributed I/O Systems Supports efficient and centralized acquisition of input signals across distributed industrial networks. Power Generation and Distribution Monitors essential AC signals within power infrastructure, contributing to grid stability and management. Environmental Monitoring Systems Accurately reads AC sensor data in environmental control applications, ensuring regulatory compliance and data integrity. Why Choose Unmatched Signal Integrity: Individually isolated inputs provide superior protection against electrical noise, leading to more accurate data and reliable operation. Enhanced System Reliability: Designed for the rigorous demands of industrial environments, ensuring consistent performance and minimizing downtime. Simplified Installation and Maintenance: Compatible with common RTBs, making wiring straightforward and reducing setup time. Order NowUpgrade your industrial control capabilities today. Contact us for pricing and availability of the Allen-Bradley 1756-IA16I ControlLogix Isolated Input Module.FAQWhat is the primary function of the Allen-Bradley 1756-IA16I module?The 1756-IA16I serves as a 16-point isolated AC input module, designed to detect and process high-voltage AC signals within ControlLogix automation systems.What voltage range does this module operate within?This module operates within an AC voltage range of 79-132V, with a nominal on-state voltage of 120V AC.How does the individual isolation feature benefit industrial applications?Individual isolation enhances signal clarity by minimizing electrical interference and cross-channel distractions, which is crucial for data integrity and system stability in demanding industrial environments.Which terminal blocks are compatible with the 1756-IA16I?The module is compatible with 1756-TBCH or 1756-TBS6H Removable Terminal Blocks, ensuring secure and straightforward wiring connections.What are the advantages of its compact ControlLogix design?The compact ControlLogix design optimizes space utilization within control panels while still delivering robust functionality and performance.

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PRODUCT DETAILS

Allen-Bradley 1756-IA16I

Overview

This is a genuine Allen-Bradley component from the ControlLogix family. PalmPartsSolution stocks it in new, refurbished, and surplus condition with tested warranty and same-day shipping on in-stock units.

Whether you are sourcing a like-for-like replacement for an existing installation, an emergency spare to keep a line running, or a qualified part for a new build, our team can confirm availability, revision, and lead time before you order.

Key Features

  • Genuine Allen-Bradley catalog part
  • Tested before shipment
  • Backed by PalmPartsSolution warranty
  • Cross-reference and revision assistance available
  • Compatible with the broader Allen-Bradley automation ecosystem
  • Engineered to integrate inside ControlLogix installations

Compatibility

When ordering, match the full catalog/part number, hardware revision, and firmware revision called out by your Allen-Bradley equipment. Where applicable, confirm:

  • Input/output voltage and current rating
  • Communication protocol and network role
  • Mounting form factor and footprint
  • Operating temperature, humidity, and IP rating
  • Required certifications (UL, CE, ATEX, marine, etc.)

Not sure which revision you need? Send us the catalog number on the nameplate and we will confirm the correct match.

Replacement Information

Three ways to source this part through PalmPartsSolution:

  1. Exact replacement — same Allen-Bradley catalog number, new or refurbished, tested and warrantied
  2. Form-fit-function equivalent — alternate revision or build that drops in without code changes
  3. Engineered migration — current-generation Allen-Bradley platform with documented conversion notes for the ControlLogix family

Contact our engineering team if you need help choosing between these tracks.

Technical Specifications

  • Model: 1756-IA16I
  • Number of Inputs: 16 (Individually Isolated)
  • Operating Voltage: 79-132V AC
  • Nominal On-State Voltage: 120V AC
  • Connector Type: 36-Pin
  • Compatible Terminal Blocks: 1756-TBCH, 1756-TBS6H
  • Mounting Type: ControlLogix Chassis
  • Series: ControlLogix

Applications

  • Advanced Factory Automation

    Precisely monitors high-voltage AC signals in complex manufacturing lines, ensuring operational efficiency and safety.

  • Critical Process Control Systems

    Delivers stable and accurate AC input detection for sensitive processes in chemical, oil & gas, and pharmaceutical industries.

  • Machine Interface and Robotics Management

    Provides seamless and reliable integration with various control systems, enhancing human-machine interaction and robotic precision.

  • SCADA & Distributed I/O Systems

    Supports efficient and centralized acquisition of input signals across distributed industrial networks.

  • Power Generation and Distribution

    Monitors essential AC signals within power infrastructure, contributing to grid stability and management.

  • Environmental Monitoring Systems

    Accurately reads AC sensor data in environmental control applications, ensuring regulatory compliance and data integrity.

Why Choose the 1756-IA16I?

  • Unmatched Signal Integrity: Individually isolated inputs provide superior protection against electrical noise, leading to more accurate data and reliable operation.
  • Enhanced System Reliability: Designed for the rigorous demands of industrial environments, ensuring consistent performance and minimizing downtime.
  • Simplified Installation and Maintenance: Compatible with common RTBs, making wiring straightforward and reducing setup time.

Availability & Shipping

  • In stock: 1756-IA16I ready for immediate dispatch from our Florida warehouse.
  • Free USA shipping: FedEx Priority (2–5 business days) and UPS Ground (3–5 business days). Expedited options available at checkout.
  • Worldwide delivery: FedEx International Priority (1–5 days), UPS International Priority (3–5 days), and USPS International (5–10 days) — rates calculated at checkout.
  • Bulk pricing: Volume discounts on request — contact our sales team for quantity quotes.
  • Buy with confidence: Every 1756-IA16I ships with a 1-Year PALM Parts warranty and a 30-day return window.
SUPPORT

Frequently Asked Questions — Allen-Bradley

The 1756-IA16I serves as a 16-point isolated AC input module, designed to detect and process high-voltage AC signals within ControlLogix automation systems.

Machine down? We ship parts the same day.

New, surplus, and refurbished Allen-Bradley inventory in stock. Request a quote or speak directly with an automation specialist for emergency sourcing.

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PALM Parts Solution operates as an independent industrial automation supplier and is not an authorized distributor or affiliate of any listed manufacturer or brand name. Manufacturer trademarks and product names are used solely for identification purposes. Original manufacturer warranties do not apply. All products sold by PALM Parts are backed by our own 1-year warranty.

Product Condition & Firmware

All products are sold as new unless stated otherwise. Original manufacturer packaging may show signs of handling, storage, or shelf wear. Date codes and series may vary from current factory production. PALM Parts does not guarantee the presence, version, or compatibility of any firmware on PLC or automation products.

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