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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


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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.




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