DCS Process Control Solution — Honeywell 51401946-100 K4LCN | TDC 3000 LCN Series
Where This Product Is Used
The Honeywell 51401946-100 K4LCN Memory Processor Module is a core component of the Honeywell TDC 3000 Local Control Network (LCN) distributed control system. It is widely deployed across mission-critical industrial environments where high-availability process control is non-negotiable:
- Oil & Gas Refineries — Crude distillation, hydrocracking, and catalytic reforming unit control loops
- Petrochemical Plants — Ethylene crackers, polymer reactors, and blending systems
- Power Generation — Boiler management, turbine control, and load dispatch systems
- Pulp & Paper Mills — Digester control, bleaching sequences, and recovery boiler automation
- Chemical Processing — Batch reactor management, distillation column control, and safety interlock systems
- Pharmaceutical Manufacturing — GMP-compliant process automation and validated batch control
Engineers specify the K4LCN module when upgrading or maintaining legacy TDC 3000 LCN nodes, replacing failed memory/processor cards, or expanding LCN network capacity without full system migration.
Technical Specifications
| Parameter | Value |
|---|---|
| Part Number | 51401946-100 |
| Model | K4LCN |
| Manufacturer | Honeywell Process Solutions |
| Series | TDC 3000 / LCN (Local Control Network) |
| Module Type | Memory Processor Module |
| Network Compatibility | Honeywell LCN (Local Control Network) |
| Form Factor | Card/Module (rack-mounted) |
| Weight | Approx. 200 g |
| Condition | Tested, Refurbished / New Surplus |
| Warranty | 12 months (Konmask standard) |
Why Engineers Specify This Model
- Drop-in Replacement — Direct hardware compatibility with existing TDC 3000 LCN racks; no firmware reconfiguration required in most installations
- Extended Plant Life — Enables continued operation of proven TDC 3000 infrastructure, deferring costly full-system migrations
- Proven Reliability — The K4LCN architecture has decades of field-proven uptime in refinery and chemical plant environments
- Rapid Availability — Stocked and ready to ship; minimizes unplanned downtime during emergency replacements
- Cost Efficiency — Significantly lower total cost versus OEM new pricing or full LCN node replacement
Complete System Bill of Materials
The K4LCN Memory Processor Module is typically used alongside the following Honeywell TDC 3000 LCN components:
- Honeywell 51401946-200 / -300 — K4LCN variant modules
- Honeywell 51304485-100 — LCN Interface Module
- Honeywell 51401584-100 — Universal Control Network (UCN) Interface
- Honeywell 51304516-100 — Power Supply Module for LCN Rack
- Honeywell 51402573-150 — LCN Coax Cable Assembly
- Honeywell 51190494-100 — Rack Backplane for LCN Modules
Contact [email protected] for cross-reference assistance and complete BOM sourcing.
Compliance & Industry Standards
- Designed for use in IEC 61511 (Functional Safety — Safety Instrumented Systems) compliant architectures
- Compatible with ISA-18.2 alarm management implementations on TDC 3000 platforms
- Suitable for facilities operating under OSHA PSM (Process Safety Management) and EPA RMP regulations
- Supports 21 CFR Part 11 validated environments when integrated with appropriate Honeywell software layers
Quality Assurance & Sourcing
- Functional Testing — Every module is bench-tested prior to shipment using Honeywell-compatible test fixtures
- Visual Inspection — PCB, connectors, and housing inspected for corrosion, damage, and component integrity
- Traceability — Serial number and revision level documented for each unit
- Packaging — ESD-safe anti-static bags and foam-lined cartons; suitable for international air freight
- Sourcing — Procured from decommissioned plant inventories, authorized distributors, and verified surplus channels; no counterfeit risk
How to Source This Part
Konmask.com maintains ready stock of Honeywell TDC 3000 LCN modules for immediate dispatch. To place an order or request a quote:
- 📧 Email: [email protected]
- 📞 Phone / WhatsApp: +0086 198 5928 8691
- 🌐 Website: https://konmask.com
Provide your part number, required quantity, and delivery timeline. We respond within 1 business day with availability confirmation and pricing.
Application-Specific FAQ
Q: Is the 51401946-100 compatible with all TDC 3000 LCN rack generations?
A: The K4LCN is compatible with standard TDC 3000 LCN racks. Confirm your rack revision and backplane version before ordering. Our technical team can assist with compatibility verification.
Q: Can this module be used as a hot standby replacement?
A: Yes. The K4LCN supports Honeywell’s redundancy architecture when paired with the appropriate LCN configuration. Consult your system documentation or contact us for guidance.
Q: What is the lead time for this part?
A: In-stock units ship within 1–3 business days. Express air freight available for emergency shutdowns.
Q: Do you provide a warranty?
A: Yes. All modules sold by Konmask.com carry a 12-month functional warranty covering defects in materials and workmanship.
Q: Can you source other Honeywell TDC 3000 parts?
A: Yes. We stock a broad range of Honeywell DCS modules. Submit your full BOM to [email protected] for a consolidated quote.
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