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Allen-Bradley 1756-IB32K ControlLogix Digital DC Input Module with 32 points and conformal coating

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Allen-Bradley 1756-IB32K

by Allen-Bradley

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OverviewExperience outstanding reliability and performance with the Allen-Bradley 1756-IB32K ControlLogix Digital DC Input Module. Designed for seamless integration into your ControlLogix systems, this robust 32-point input module is perfect for high-density DC signal acquisition. Operating efficiently within a 10-31V DC range, it features current sinking inputs and is engineered for exceptional operational stability. A key benefit of the 1756-IB32K is its advanced conformal coating, providing crucial protection against moisture, dust, and corrosive elements, ensuring long-term consistent performance in challenging industrial environments. With intuitive indicators for input and communication status, along with module health monitoring, real-time diagnostics are readily available, enabling proactive maintenance and reducing downtime.Key Features 32-Point Digital DC Input Module: Facilitates high-density signal acquisition for intricate industrial processes. Broad 10-31V DC Operating Voltage: Ideal for various low-voltage industrial applications, increasing adaptability. Sinking Input Configuration: Delivers precise negative voltage switching for accurate signal interpretation. Two Divided Groups (16 Points Each): Offers exceptional wiring flexibility and simplified system setup. Comprehensive Diagnostic Indicators: Includes input, communication status, and module health displays for real-time monitoring and rapid troubleshooting. Conformal Coating Protection: Provides superior resistance against moisture, dust, and corrosive industrial atmospheres, extending the module’s operational life. Seamless ControlLogix Integration: Optimized for easy mounting and operation within existing ControlLogix chassis. Technical Specifications Model: 1756-IB32K Number of Inputs: 32 (16 Points per Group) Operating Voltage: 10-31V DC Input Type: Current Sinking (Negative Switching) Diagnostic Indicators: Input, Communication Status, and Module Health Display Protection: Conformal Coating for Harsh Environments Connector Type: 36-Pin Compatible Terminal Blocks: 1756-TBCH, 1756-TBS6H Mounting Type: ControlLogix Chassis Series: ControlLogix Applications Factory Automation Systems: Essential for high-density DC signal acquisition and reliable process control. Process Control & Monitoring: Ensures accurate and consistent digital input monitoring in critical industrial processes. Harsh Industrial Environments: Perfect for use in locations exposed to moisture, dust, and corrosive agents, due to its conformal coating. SCADA & Distributed I/O Architectures: Supports efficient and robust input signal acquisition across expansive systems. Material Handling and Packaging: Delivers dependable input monitoring for automated machinery and production lines. Water/Wastewater Treatment: Offers reliable performance in demanding and often corrosive conditions. Why Choose This Model? Exceptional Durability: The conformal coating significantly extends the module's operational life in the most aggressive industrial settings. Advanced Diagnostic Capabilities: Real-time indicators allow for quick identification and resolution of issues, minimizing downtime and maximizing productivity. Superior Integration: Specifically designed for ControlLogix systems, ensuring effortless installation and optimal performance within your existing infrastructure. High-Density Input: With 32 points, this module efficiently manages a large number of digital inputs, reducing the need for multiple units. Flexible Wiring Options: The grouped input configuration provides greater adaptability for complex wiring requirements. Allen-Bradley Reliability: Benefit from the trusted quality and performance associated with the Allen-Bradley brand, a leader in industrial automation. Order NowElevate your industrial automation capabilities with the Allen-Bradley 1756-IB32K ControlLogix Digital DC Input Module. Experience high performance.FAQWhat environments is the 1756-IB32K suitable for?Due to its conformal coating, the 1756-IB32K is ideal for harsh industrial environments exposed to moisture, dust, and corrosive agents.How many inputs does this module provide?The 1756-IB32K offers 32 digital DC inputs, divided into two groups of 16 points each.Can I easily integrate this module into my existing system?Yes, the module is designed for seamless integration and optimal performance within ControlLogix chassis.What kind of diagnostic features does it have?It includes comprehensive diagnostic indicators for input, communication status, and module health, enabling real-time monitoring and quick troubleshooting.What is the operating voltage range?The 1756-IB32K operates efficiently within a wide 10-31V DC range, suitable for diverse low-voltage industrial applications.

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PRODUCT DETAILS

Allen-Bradley 1756-IB32K

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-IB32K
  • Number of Inputs: 32 (16 Points per Group)
  • Operating Voltage: 10-31V DC
  • Input Type: Current Sinking (Negative Switching)
  • Diagnostic Indicators: Input, Communication Status, and Module Health Display
  • Protection: Conformal Coating for Harsh Environments
  • Connector Type: 36-Pin
  • Compatible Terminal Blocks: 1756-TBCH, 1756-TBS6H
  • Mounting Type: ControlLogix Chassis
  • Series: ControlLogix

Applications

  • Factory Automation Systems: Essential for high-density DC signal acquisition and reliable process control.
  • Process Control & Monitoring: Ensures accurate and consistent digital input monitoring in critical industrial processes.
  • Harsh Industrial Environments: Perfect for use in locations exposed to moisture, dust, and corrosive agents, due to its conformal coating.
  • SCADA & Distributed I/O Architectures: Supports efficient and robust input signal acquisition across expansive systems.
  • Material Handling and Packaging: Delivers dependable input monitoring for automated machinery and production lines.
  • Water/Wastewater Treatment: Offers reliable performance in demanding and often corrosive conditions.

Why Choose the 1756-IB32K?

  • Exceptional Durability: The conformal coating significantly extends the module's operational life in the most aggressive industrial settings.
  • Advanced Diagnostic Capabilities: Real-time indicators allow for quick identification and resolution of issues, minimizing downtime and maximizing productivity.
  • Superior Integration: Specifically designed for ControlLogix systems, ensuring effortless installation and optimal performance within your existing infrastructure.
  • High-Density Input: With 32 points, this module efficiently manages a large number of digital inputs, reducing the need for multiple units.
  • Flexible Wiring Options: The grouped input configuration provides greater adaptability for complex wiring requirements.
  • Allen-Bradley Reliability: Benefit from the trusted quality and performance associated with the Allen-Bradley brand, a leader in industrial automation.

Availability & Shipping

  • In stock: 1756-IB32K 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-IB32K ships with a 1-Year PALM Parts warranty and a 30-day return window.
SUPPORT

Frequently Asked Questions — Allen-Bradley

Due to its conformal coating, the 1756-IB32K is ideal for harsh industrial environments exposed to moisture, dust, and corrosive agents.

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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