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
- Power off the host rack assembly and engage anti-static grounding measures before handling the circuit card.
- Align the board edges with the card guide rails inside the designated chassis slot.
- Slide the card into the slot until the rear connectors contact the backplane pins evenly.
- Press the insertion levers firmly to fully seat the module into the backplane connector block.
- 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.
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- 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.





























