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Omron NX-SIH400 safety input module for industrial automation

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Omron NX-SIH400

by Omron

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OverviewThe Omron NX-SIH400 is a high-performance, 4-channel safety input unit precisely engineered for seamless integration with Omron's advanced NX-series safety controllers. This robust device is a crucial element for modern industrial automation, providing four independent safety input channels to precisely monitor critical safety devices. From emergency stop buttons and safety light curtains to door switches and other vital safety mechanisms, the NX-SIH400 ensures excellent reliability and responsiveness in machine safety applications. Designed to meet the demanding requirements of industrial settings, the NX-SIH400 empowers engineers and system integrators to achieve superior levels of operational safety and regulatory compliance. Its intelligent design facilitates straightforward integration, enabling rapid deployment within intricate safety circuits. With its focus on precision and continuous operation, this module serves as a cornerstone for safeguarding both personnel and assets.Key Features Quadruple Independent Safety Inputs: Delivers thorough and dependable monitoring for various safety devices, ensuring multiple protection points. Optimized Rapid Response: Engineered for real-time safety interventions, with a response time of 10 milliseconds or less, essential for critical safety applications. Extensive Device Compatibility: Integrates seamlessly with a wide array of safety devices, including emergency stops, safety light curtains, safety switches, and more. Native Omron NX-Series Integration: Guarantees full compatibility and effortless communication with Omron NX-series safety controllers, streamlining system architecture. Compact and Space-Efficient Design: Thoughtfully designed for efficient use of space within machine safety control panels, optimizing cabinet layouts. Advanced Diagnostics and Error Detection: Features intelligent capabilities for real-time fault monitoring, enabling swift and accurate troubleshooting to minimize downtime. High Safety Standards Adherence: Complies with strict international safety standards including ISO 13849-1 (PLe) and IEC 61508 (SIL3), ensuring robust safety integrity. Technical Specifications Model: NX-SIH400 Number of Safety Inputs: 4 channels Input Voltage: 24V DC Response Time: 10 ms or less Safety Standards Compliance: ISO 13849-1 (Performance Level e - PLe), IEC 61508 (Safety Integrity Level 3 - SIL3) Power Supply: Sourced directly from the NX-series safety controller backplane, simplifying wiring. Mounting Type: Standard DIN rail mounting (within an NX-series PLC rack) for versatile installation. Ambient Conditions: Operating Temperature: 0 to 55°C Storage Temperature: -25 to 70°C Humidity: 10% to 95% (non-condensing) Vibration Resistance: 5-9 Hz, 3.5 mm amplitude; ensuring durability in industrial environments. Applications Comprehensive Machine Safety Oversight: Perfect for monitoring emergency stop systems, light curtains, and other crucial safeguarding components on machinery. Advanced Industrial Automation Systems: Plays a vital role in ensuring the safe and compliant operation of manufacturing processes, protecting both machinery and personnel. Robotic Safety Integration: Provides essential safety monitoring and control for robotic work cells, enhancing operator safety in dynamic environments. Press and Packaging Machine Safety: Significantly improves operator safety within hazardous environments commonly found in press and packaging industries. Conveyor System Safety: Monitors safety interlocks and emergency stops on conveyor lines to prevent accidents. Automated Assembly Lines: Guarantees the safe operation of various stations within automated assembly processes. Why Choose?The Omron NX-SIH400 stands out as an exceptional selection for any industrial application demanding uncompromised safety and reliability. Its unique blend of high-speed response, robust fault detection capabilities, and seamless compatibility with the Omron NX-series controllers makes it an ideal solution.Order NowContact us today for pricing and availability.FAQWhat is the primary function of the Omron NX-SIH400?The NX-SIH400 serves as a 4-channel safety input module, integrating with Omron NX-series safety controllers to monitor critical safety devices and ensure machine safety.What safety standards does this module comply with?The NX-SIH400 meets stringent international safety standards, including ISO 13849-1 (PLe) and IEC 61508 (SIL3).How fast is the response time of the NX-SIH400?The module boasts an optimized fast response time of 10 milliseconds or less, crucial for critical safety applications.

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$637.00
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PRODUCT DETAILS

Omron NX-SIH400

Overview

This is a genuine Omron component from the Omron PLCs 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 Omron catalog part
  • Tested before shipment
  • Backed by PalmPartsSolution warranty
  • Cross-reference and revision assistance available
  • Compatible with the broader Omron automation ecosystem
  • Engineered to integrate inside Omron PLCs installations

Compatibility

When ordering, match the full catalog/part number, hardware revision, and firmware revision called out by your Omron 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 Omron 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 Omron platform with documented conversion notes for the Omron PLCs family

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

Technical Specifications

  • Model: NX-SIH400
  • Number of Safety Inputs: 4 channels
  • Input Voltage: 24V DC
  • Response Time: 10 ms or less
  • Safety Standards Compliance: ISO 13849-1 (Performance Level e - PLe), IEC 61508 (Safety Integrity Level 3 - SIL3)
  • Power Supply: Sourced directly from the NX-series safety controller backplane, simplifying wiring.
  • Mounting Type: Standard DIN rail mounting (within an NX-series PLC rack) for versatile installation.
  • Ambient Conditions:
    • Operating Temperature: 0 to 55°C
    • Storage Temperature: -25 to 70°C
    • Humidity: 10% to 95% (non-condensing)
    • Vibration Resistance: 5-9 Hz, 3.5 mm amplitude; ensuring durability in industrial environments.

Applications

  • Comprehensive Machine Safety Oversight: Perfect for monitoring emergency stop systems, light curtains, and other crucial safeguarding components on machinery.
  • Advanced Industrial Automation Systems: Plays a vital role in ensuring the safe and compliant operation of manufacturing processes, protecting both machinery and personnel.
  • Robotic Safety Integration: Provides essential safety monitoring and control for robotic work cells, enhancing operator safety in dynamic environments.
  • Press and Packaging Machine Safety: Significantly improves operator safety within hazardous environments commonly found in press and packaging industries.
  • Conveyor System Safety: Monitors safety interlocks and emergency stops on conveyor lines to prevent accidents.
  • Automated Assembly Lines: Guarantees the safe operation of various stations within automated assembly processes.

Why Choose the NX-SIH400?

The Omron NX-SIH400 stands out as an exceptional selection for any industrial application demanding uncompromised safety and reliability. Its unique blend of high-speed response, robust fault detection capabilities, and seamless compatibility with the Omron NX-series controllers makes it an ideal solution.

Availability & Shipping

  • In stock: NX-SIH400 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 NX-SIH400 ships with a 1-Year PALM Parts warranty and a 30-day return window.
SUPPORT

Frequently Asked Questions — Omron

The NX-SIH400 serves as a 4-channel safety input module, integrating with Omron NX-series safety controllers to monitor critical safety devices and ensure machine safety.

Machine down? We ship parts the same day.

New, surplus, and refurbished Omron 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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