Skip to content

What are you looking for?


You may also like

Honeywell 51401551-800 K2LCN-8 Processor CardHoneywell 51401551-800 K2LCN-8 Processor CardHoneywell 51401551-800 K2LCN-8 Processor Card
Honeywell 51401551-800 K2LCN-8 Processor Card
Honeywell 51401551-800 K2LCN-8 Processor Card
Honeywell 51401551-800 K2LCN-8 Processor Card

Honeywell 51401551-800 K2LCN-8 Processor Card


Only 10 left - Selling fast

PRODUCT SKU : K2LCN-8 51401551-800

PRODUCT TYPE : Processor Cards

PRODUCT VENDOR : Honeywell


  • 100% Genuine Parts – Risk-Free 30-Day Returns
  • 1-Year Warranty & Expert Support for Every Order

Product Details

The Honeywell 51401551-800, also cataloged as the 51401551-800 Processor Card, operates as a dedicated hardware component for high-speed logic execution and onboard data storage within Local Control Network (LCN) node platforms.

Hardware Specifications

Parameter Specification
Model 51401551-800
Brand Honeywell
Origin USA
Weight 2.12 lbs
Dimensions Standard LCN chassis card dimensions
Operating Temp 0 to 60 deg C
Power Consumption Backplane powered logic card
Onboard Memory 8 Megawords
Subsystem Type K2LCN-8 Motherboard / Processor Assembly
System Compatibility Honeywell TDC 3000 LCN Architecture

Cold Junction Compensation & Channel Isolation

The module interfaces with backplane communications to process system telemetry across isolated channels, preventing ground loops and cross-channel noise propagation. Integrated cold junction compensation (CJC) reference algorithms ensure precise thermal data scaling when direct sensor feeds resolve into system memory blocks. Built-in bus transceivers enable uninterrupted digital frame pass-through to support 4-20 mA HART loop protocol field device diagnostics linked to host DCS controller nodes.

Frequently Asked Questions

Q: How is memory addressed on the 51401551-800 processor card?

A: The board incorporates 8 Megawords of integrated memory configured directly for system software execution and data buffering on the K2LCN-8 architecture.

Q: What precautions must be taken regarding backplane power during module replacement?

A: System power to the local card cage must be isolated prior to inserting or removing the processor card to avoid backplane pin damage and transient voltage spikes.

Field Installation Guidelines

  1. Power off the host rack assembly and engage anti-static grounding measures before handling the circuit card.
  2. Align the board edges with the card guide rails inside the designated chassis slot.
  3. Slide the card into the slot until the rear connectors contact the backplane pins evenly.
  4. Press the insertion levers firmly to fully seat the module into the backplane connector block.
  5. Fasten the faceplate retention screws to ensure ground continuity and physical stability under operational vibration.

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.




Recently Viewed Products

Tech & Buying Guide

Technical Insights, Installation Guides, and Buying Tips
Wellhead Control Panel (WHCP) Architecture in Oil and Gas Automation

Wellhead Control Panel (WHCP) Architecture in Oil and Gas Automation

Upstream oil and gas operations rely on specialized field control platforms to manage wellhead extraction safety and hydraulic actuation. A Wellhead Control Panel (WHCP) serves as a dedicated hydraulic and pneumatic power unit designed to operate critical Christmas Tree isolation valves. By interfacing field safety components directly with Programmable Logic Controller (PLC) architecture, a WHCP protects upstream extraction assets against overpressure, catastrophic leaks, and thermal emergencies.

Read more
Understanding Marshalling Cabinets in Industrial Control Systems Architecture

Understanding Marshalling Cabinets in Industrial Control Systems Architecture

Industrial control system deployments rely on structured signal distribution to bridge field instrumentation with central processing hardware. A marshalling cabinet serves as the vital intermediate connection point between heavy field home-run multi-pair cables and delicate input/output (I/O) modules housed inside Programmable Logic Controller (PLC) or Distributed Control System (DCS) enclosures. By segregating field cable terminations from control hardware, engineers maintain system flexibility, safeguard controller components, and streamline commissioning workflows.

Read more
FAT vs SAT in Industrial Control Systems: Key Differences and Execution Guide

FAT vs SAT in Industrial Control Systems: Key Differences and Execution Guide

Industrial control system deployment relies on strict verification protocols to guarantee operational safety, system stability, and regulatory compliance. Commissioning complex Programmable Logic Controller (PLC) racks, Distributed Control Systems (DCS), and Safety Instrumented Systems (SIS) requires two critical milestones: the Factory Acceptance Test (FAT) and the Site Acceptance Test (SAT). Both procedures validate that system automation meets design specifications, but they occur at different stages of project execution and target distinct operational risks.

Read more