Honeywell

Honeywell 51303979-400 I/O Link Interface

SKU 51303979-400

In stock
  • 12-month warranty
  • Free returns within 30 days
  • Manufacturer: Honeywell

  • Product No.: 51303979-400

  • Country of origin:United States

  • Product Type: I/O Link Modules

  • Payment: T/T, Western Union

  • Weight: 2000g

  • Shipping port: Xiamen

  • Warranty: 12 months

Description

Integrating process input/output subsystems with high-level control networks, the Honeywell 51303979-400 serves as a reliable I/O Link Interface designed for industrial Distributed Control Systems (DCS). This module functions as an I/O link extender, facilitating deterministic, real-time communication between the process controller and remote I/O chassis.

Engineered to withstand demanding industrial environments, the module coordinates data transmission over extended physical distances while ensuring high signal integrity and low latency. It mounts directly into compatible Honeywell system enclosures, providing seamless physical and electrical integration with standard system backplanes.

Features

  • Functions as a dedicated interface and extender for high-performance I/O links.
  • Supports reliable communication between process managers and remote I/O subsystems.
  • Designed for direct slot-in installation within compatible Honeywell system racks.
  • Robust physical architecture suitable for continuous-duty industrial environments.
  • Engineered to maintain strict signal integrity across extended bus distances.

Applications

  • Distributed Control Systems (DCS) communication and management.
  • Petrochemical refineries and chemical processing facilities.
  • Power generation and distribution control architectures.
  • Continuous process manufacturing operations.

Technical Specifications

Manufacturer Honeywell
Part Number / Model 51303979-400
Module Type I/O Link Interface / Extender
Weight 2.0 kg

Installation Guidelines

  • Power Isolation: Always isolate and switch off the system power supply before inserting, removing, or performing maintenance on the interface module.
  • Mounting: Slide the module carefully into the designated chassis slot, ensuring the backplane connectors align correctly before securing any retention screws.
  • Cabling and Shielding: Use verified, shielded twisted-pair cables for all external I/O link connections to minimize susceptibility to electromagnetic interference (EMI).
  • Thermal Management: Maintain adequate clearance around the cabinet enclosure to permit natural or forced convection cooling, preventing localized heat buildup.

FAQ

What is the primary function of the Honeywell 51303979-400?

The Honeywell 51303979-400 operates as an I/O Link Interface and extender, facilitating communication between central process controllers and distributed I/O racks.

Which systems is this module compatible with?

This module is designed for integration within Honeywell Distributed Control Systems (DCS) architectures, specifically process controller backplanes using the proprietary I/O link protocol.

What is the physical weight of the 51303979-400 module?

The shipping weight of the Honeywell 51303979-400 module is approximately 2.0 kg.

Does this module support hot-swapping?

It is highly recommended to completely power down the corresponding rack or slot before replacing or installing the 51303979-400 module to prevent voltage transients or bus communication errors.

View all FAQs →

Quantity
Shipping & Returns

Global Express Shipping

  • Standard Delivery: 4–6 business days via DHL, FedEx, and UPS.
  • Express Dispatch: Same-day dispatch for in-stock orders placed before 2:00 PM (GMT+8).
  • Worldwide Coverage: Serving over 150 countries.

Returns & Warranty

  • 30-Day Guarantee: Returns accepted for in-stock products in original, factory-sealed packaging.
  • 12-Month Warranty: Every industrial component is backed by our technical warranty.
Reviews
1 of 1
Only 8 item(s) left in stock
Quantity
View full details

Global Express Shipping

  • Standard Delivery: 4-6 Business Days via DHL, FedEx, and UPS.
  • Express Dispatch: Same-day dispatch for in-stock orders placed before 2:00 PM (GMT+8).
  • Worldwide Coverage: Serving over 150 countries, including rapid delivery to Saudi Arabia and UAE.

Returns & Warranty

  • 30-Day Guarantee: Returns accepted for in-stock products in original, factory-sealed packaging.
  • 12-Month Warranty: Every industrial component is backed by our professional technical warranty.

Orders are processed and delivered Monday-Friday (excluding public holidays).


For full eligibility, restocking fees, and international return details, please view our official Refund & Return Policy .

TECHNICAL SPECIFICATIONS

Country of origin
United States

Technical knowledge

Commissioning OPC UA in KEPServerEX: A Field Checklist

A practical commissioning sequence for KEPServerEX OPC UA connections: define data ownership, test tags locally, configure endpoint and certificate trust, limit access, then verify failure recovery...

Set a PLC Commissioning Laptop IP Without Losing Access

Commissioning an Ethernet-connected PLC often starts with the laptop, not the controller. Learn how to record existing settings, choose a temporary address, test connectivity, and restore the plant...

Designing Automation for Combustible Dust Hazards

Combustible dust controls require more than alarms. Learn how to map dust generation, select instrumentation, design interlocks, handle failed feedback, test safe states, and maintain the full...

Hairpin Stators: Benefits, Limits, and Inspection

Hairpin windings raise slot fill and support compact traction motors, but conductor geometry, AC losses, insulation damage, weld quality, and cooling determine whether the design meets its targets.

Using Ansible for Controlled SCADA Server Changes

Use Ansible to standardize SCADA server changes without expanding OT risk. This guide covers inventories, idempotent playbooks, staged testing, credentials, logging, and practical rollback controls.

Securing Remote PLC Access Beyond the VPN

A VPN encrypts the path to an industrial network, but secure remote PLC work also needs identity controls, segmented access, change approval, logging, safe operating boundaries, and tested recovery...