Product Details
The Honeywell 51305099-100, also cataloged as the 51305099 (K4LCN4) LCN Processor Interface Board, operates as a dedicated hardware component for high-speed local control network processing and system bus management within Honeywell TDC 3000 Local Control Network (LCN) architectures.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | 51305099-100 (K4LCN4) |
| Brand | Honeywell |
| Base Model | 51305099 |
| Product Type | LCN Processor Interface Board |
| Origin | USA |
| Weight | 0.90 kg |
| Dimensions | Standard LCN card file slot form factor |
| Operating Temp | 0 deg C to +60 deg C |
| Power Consumption | Powered via backplane bus (+5 VDC / +12 VDC) |
| System Architecture | Honeywell TDC 3000 / LCN Network Nodes |
| Revision / Marking | Rev B / B7260 |
Channel-to-Channel Isolation and Bus Signal Integrity
The 51305099-100 K4LCN4 board executes real-time token-passing protocol communications across redundant TDC 3000 Local Control Network coaxial cable drops. Designed to interface directly with distributed process node controllers managing 4-20 mA HART loop protocol I/O and FOUNDATION Fieldbus sub-networks, the module utilizes transformer-isolated transceiver logic. This channel isolation structure eliminates ground loop currents between interconnected control racks, suppresses common-mode noise, and prevents external line transients from corrupting internal backplane data transfers.
Frequently Asked Questions
Q: Is the 51305099-100 board backwards compatible with earlier K4LCN card file revisions?
A: Yes, the K4LCN4 variant maintains backward slot compatibility across standard TDC 3000 LCN node card files while providing enhanced board-level timing stability.
Q: Can this processor interface board be replaced online while the LCN node is powered?
A: No, online removal or insertion without executing a controlled node failover or powering down the target slot can disrupt token passing across the active LCN bus and interrupt node communications.
Field Installation Guidelines
- ESD Precautions: Wear a grounded wrist strap connected to the cabinet frame before handling the board to protect static-sensitive CMOS logic components.
- Mechanical Alignment: Slide the board smoothly along the chassis card slot guide rails until the rear edge connectors interface with the backplane plane.
- Ejector Locking: Seat the board by pressing both upper and lower faceplate ejector levers flush until they latch firmly in place.
- Cable Strain Relief: Ensure BNC coaxial cable connections and ribbon interconnects are secured and routed through cable management channels to prevent mechanical tension on the faceplate connectors.
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
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