Product Details
Product Overview
The Honeywell 51401496-100 operates as a high-displacement Dual Node Fan Assembly engineered specifically to cool the Dual Node Card File Assembly (DNCFA) within Honeywell TDC 3000 Distributed Control Systems (DCS). This module introduces dual-fan redundancy directly into the card chassis, preventing heat stagnation and safeguarding dense arrays of processing cards from thermal failure. We supply this product in 100% Brand New, original factory-sealed condition from the USA, complete with an integrated diagnostic interface to secure your critical control architecture.
Technical Specifications
| Parameter | Specification Details |
| Part Number | 51401496-100 |
| Manufacturer | Honeywell |
| Type | Dual Node Fan Assembly |
| Target Application | Honeywell TDC 3000 Dual Node Card File Assembly (DNCFA) |
| Fan Configuration | Dual fans (Redundant operational path) |
| Operating Voltage | 24 VDC |
| Dimensions (H x W x D) | 5.1 cm x 26.7 cm x 17.8 cm |
| Weight | 3.13 lbs (1.42 kg) |
| Diagnostic Indicators | Front panel RED LED (Signals fan failure) |
| Country of Origin | USA |
| Warranty | 12 Months |
| Condition | 100% Brand New Original |
Engineering Advantages
-
Ensures Continuous Uptime via Redundancy: The dual-fan layout provides a fail-safe cooling mechanism. If one fan stops or drops in RPM, the remaining fan accelerates airflow to maintain safe operating temperatures within the DNCFA enclosure, preventing emergency shutdowns.
-
Accelerates Fault Diagnostics: A front-facing red LED activates immediately upon fan component failure. This visible indicator allows field technicians to identify and isolate mechanical faults instantly during routine floor walks without pulling data logs or opening the chassis.
-
Optimizes Dense Card Slot Airflow: The low-profile dimensions (5.1 cm x 26.7 cm x 17.8 cm) slide directly into the dedicated DNCFA cooling channels. This configuration forces high-velocity air across tightly packed PCB surface components, eliminating dangerous localized heat pockets.
-
Simplifies Drop-In Field Installation: The unit matches the native physical form factor of legacy TDC 3000 hardware. Technicians slip the assembly into position and connect the standard 24 VDC power tap, completely avoiding field wiring modifications or custom brackets.
FAQs
-
How does the front-panel LED detect a fan failure on the 51401496-100?
The internal circuitry constantly monitors the current draw and rotation parameters of both fan motors. If either fan drops below standard operational thresholds or loses power entirely, the module trips an internal relay and illuminates the bright red front-panel LED.
-
Can I replace an active fan assembly while the TDC 3000 system remains online?
You can hot-swap this fan assembly if your specific DNCFA housing setup permits physical clearance. Because the module utilizes a self-contained 24 VDC interface and operates independently of the control data bus, pulling the unit does not interrupt the logic execution of adjacent processing cards. However, execute the swap quickly to avoid heat buildup during the transition.
-
Does this brand-new unit carry a factory warranty?
Yes. We back this 100% brand-new, original USA-origin Honeywell assembly with a comprehensive 12-month warranty that covers any mechanical or electrical defects from the date of purchase.
Additional Information
- 100% Genuine Parts: All products are original and authentic, ensuring reliable industrial performance.
- 30-Day Refund Guarantee: Return any in-stock item within 30 days in original, unopened packaging for a full refund (excluding shipping and fees).
- 12-Month Warranty: Covers defects in materials or workmanship; excludes misuse, normal wear, or unauthorized modifications.
- Worldwide Shipping: We ship via USPS, UPS, FedEx, and DHL. Delivery times vary by country and may be subject to customs or import fees.
- Support & Contact: Technical and warranty assistance is available anytime. Contact us here: Contact.
- Purchase Guidance: Check product specifications and compatibility carefully before ordering to ensure proper application.
Tech & Buying Guide
Understanding Types of Noise in Electronic Circuits and Control Systems
Signal integrity directly determines measurement accuracy and loop stability across industrial automation environments. Electronic noise introduces unwanted stochastic interference into analog loops, sensor feedback lines, and digital fieldbus networks. Understanding how intrinsic electronic noise and external electromagnetic interference manifest allows control engineers to optimize signal conditioning and shield sensitive instrumentation effectively.
Why 24V DC Power Supplies Standardize Modern Industrial Automation
Industrial control cabinets worldwide rely on 24V DC as the universal power standard for field instrumentation, sensors, and controllers. Walk into any manufacturing plant, and you will find PLCs, human-machine interfaces (HMIs), and smart actuators running on extra-low voltage DC. Standardizing on 24V DC enhances operational safety, lowers cabinet footprint, and maintains steady control performance across factory networks.
Essential Motion Control Commands: A Practical Guide for Engineers
Automation engineers often rely on precise position and speed control to drive modern factory machinery. Modern industrial systems, such as Programmable Logic Controllers (PLCs) and Distributed Control Systems (DCS), depend heavily on standardized motion instructions. Mastering these commands ensures operational safety, protects mechanical components, and optimizes cycle times across production lines.