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Allen-Bradley 1756-IH16ISOE ControlLogix Digital DC Input Module

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Allen-Bradley 1756-IH16ISOE

by Allen-Bradley

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OverviewElevate your industrial automation capabilities with the Allen-Bradley 1756-IH16ISOE ControlLogix Digital DC Input Module. Designed for demanding conditions, this high-performance module offers 16 individually isolated inputs, specifically engineered for 125V DC operation. A key feature of the 1756-IH16ISOE is its integrated Sequence of Events (SOE) record-keeping, providing millisecond-level timestamping for every input signal change. This crucial function ensures exceptional accuracy in event logging, giving engineers and operators detailed insights for process analysis, rapid fault detection, and proactive maintenance within intricate control systems. Its sturdy construction and advanced capabilities make it an essential component for critical automation environments where signal reliability and event resolution are paramount. Featuring a 36-pin connector for secure and dependable wiring, the 1756-IH16ISOE significantly improves signal integrity by reducing electrical interference. Channel-to-channel isolation protects against common mode noise and ground loops, leading to improved system diagnostics and overall operational stability. Optimized for smooth integration within ControlLogix systems, this module is a perfect choice for various industrial applications, from power generation to sophisticated machine monitoring, where precise control and diagnostic functions are vital for maintaining efficiency and safety.Key Features 16 Individually Isolated Digital Inputs: Delivers superior signal processing precision and minimizes interference between channels for dependable operation. Dedicated 125V DC Voltage Rating: Specifically calibrated to manage high-voltage direct current in industrial applications with consistent stability. Integrated Sequence of Events (SOE) Capability: Offers millisecond-accurate timestamping of input changes, essential for precise event analysis and detailed diagnostics. Robust 36-Pin Connector Interface: Provides a secure and efficient connection point for simplified installation and enhanced wiring integrity. Seamless ControlLogix System Compatibility: Ensures easy integration into both existing and new ControlLogix Programmable Logic Controller (PLC) architectures. High-Speed Event Detection: Enables real-time observation and swift reaction to critical sensor and machine state alterations. Enhanced System Diagnostics: Per-channel isolation improves fault identification and system reliability in challenging industrial settings. Technical SpecificationsThe Allen-Bradley 1756-IH16ISOE module adheres to rigorous industrial benchmarks, guaranteeing consistent performance: Model: 1756-IH16ISOE Series: ControlLogix Input Type: Digital DC Number of Inputs: 16 Individually Isolated Input Voltage: 125V DC Sequence of Events Logging: Yes Connector Type: 36-Pin Mounting: ControlLogix Chassis Operating Temperature: -25°C to 60°C (-13°F to 140°F) Isolation: Per channel, ensuring robust signal separation. ApplicationsThe flexibility and precision of the Allen-Bradley 1756-IH16ISOE make it suitable for a wide range of critical industrial applications: Power Generation & Utility Monitoring: Crucial for tracking time-sensitive events in power distribution, substation automation, and energy management systems. Industrial Process Control: Provides comprehensive event diagnostics for chemical, oil & gas, and manufacturing processes, enabling accurate control and fault analysis. Machine & Equipment Monitoring: Detects high-speed signal changes in complex machinery, improving predictive maintenance and operational awareness. Material Handling & Safety Systems: Ensures accurate sequence logging for conveyor systems, robotics, and emergency shutdown mechanisms, enhancing safety and reliability. Data Logging & Event Analysis: Facilitates thorough data collection for regulatory compliance, performance optimization, and in-depth troubleshooting. Why Choose?Unmatched SOE Functionality for critical event recording and analysis.Order NowContact Palm Parts Solution today to procure the Allen-Bradley 1756-IH16ISOE ControlLogix Digital DC Input Module and elevate your industrial automation systems.FAQHow many inputs does the 1756-IH16ISOE module have?The module features 16 individually isolated digital DC inputs.What is the input voltage for this module?It is designed for a dedicated input voltage of 125V DC.Does this module support Sequence of Events (SOE) logging?Yes, it includes integrated SOE capability for millisecond-accurate time-stamping of input changes.What type of connector does the 1756-IH16ISOE use?It utilizes a robust 36-pin connector interface for secure wiring.Is this module compatible with ControlLogix systems?Absolutely, it offers seamless compatibility and integration within ControlLogix PLC architectures.

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PRODUCT DETAILS

Allen-Bradley 1756-IH16ISOE

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

The Allen-Bradley 1756-IH16ISOE module adheres to rigorous industrial benchmarks, guaranteeing consistent performance:

  • Model: 1756-IH16ISOE
  • Series: ControlLogix
  • Input Type: Digital DC
  • Number of Inputs: 16 Individually Isolated
  • Input Voltage: 125V DC
  • Sequence of Events Logging: Yes
  • Connector Type: 36-Pin
  • Mounting: ControlLogix Chassis
  • Operating Temperature: -25°C to 60°C (-13°F to 140°F)
  • Isolation: Per channel, ensuring robust signal separation.

Applications

The flexibility and precision of the Allen-Bradley 1756-IH16ISOE make it suitable for a wide range of critical industrial applications:

  • Power Generation & Utility Monitoring: Crucial for tracking time-sensitive events in power distribution, substation automation, and energy management systems.
  • Industrial Process Control: Provides comprehensive event diagnostics for chemical, oil & gas, and manufacturing processes, enabling accurate control and fault analysis.
  • Machine & Equipment Monitoring: Detects high-speed signal changes in complex machinery, improving predictive maintenance and operational awareness.
  • Material Handling & Safety Systems: Ensures accurate sequence logging for conveyor systems, robotics, and emergency shutdown mechanisms, enhancing safety and reliability.
  • Data Logging & Event Analysis: Facilitates thorough data collection for regulatory compliance, performance optimization, and in-depth troubleshooting.

Why Choose the 1756-IH16ISOE?

Unmatched SOE Functionality for critical event recording and analysis.

Availability & Shipping

  • In stock: 1756-IH16ISOE 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-IH16ISOE ships with a 1-Year PALM Parts warranty and a 30-day return window.
SUPPORT

Frequently Asked Questions — Allen-Bradley

The module features 16 individually isolated digital DC inputs.

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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