DCS Process Control Solution – HONEYWELL K4LCN-16 51403519-160 | TDC 3000 LCN Series
The Honeywell K4LCN-16 (Part No. 51403519-160) is a Memory Processor Module Board engineered for the TDC 3000 Local Control Network (LCN). It serves as the computational backbone of distributed control architectures in continuous-process industries, delivering deterministic execution and high-availability memory management where process uptime is non-negotiable.
Where This Product Is Used
This module is specified by control engineers across the following industries and applications:
- Oil & Gas Refining – Crude distillation unit (CDU) control, hydrocracker automation, and flare management systems running on legacy TDC 3000 platforms.
- Petrochemical & Chemical Plants – Continuous reactor control, batch sequencing, and safety interlock coordination within existing Honeywell DCS architectures.
- Power Generation – Boiler management systems (BMS), turbine control, and load-dispatch automation in coal, gas, and combined-cycle plants.
- Pulp & Paper – Digester control, bleach plant sequencing, and recovery boiler management where TDC 3000 remains the installed base.
- Pharmaceutical Manufacturing – cGMP-compliant batch processing and clean-room HVAC control integrated with validated Honeywell DCS configurations.
- Water & Wastewater Treatment – SCADA-linked process control for large municipal treatment facilities using legacy LCN infrastructure.
Technical Specifications
| Parameter | Value |
|---|---|
| Manufacturer | Honeywell Process Solutions |
| Part Number | K4LCN-16 |
| Reference Number | 51403519-160 |
| Module Type | Memory Processor Module Board |
| Compatible Platform | TDC 3000 / LCN (Local Control Network) |
| Series | TDC 3000 LCN |
| Form Factor | PCB Module (card-cage mount) |
| Weight | Approx. 800 g |
| Condition Available | Refurbished / Tested / New Old Stock (NOS) |
| Warranty | 12 months (Konmask standard) |
Why Engineers Specify This Model
- Direct Drop-In Replacement – Maintains full backward compatibility with existing TDC 3000 LCN card cages; no firmware re-flashing required in most configurations.
- Proven Long-Term Reliability – Honeywell’s LCN architecture is renowned for multi-decade operational stability in harsh process environments.
- Minimizes Unplanned Downtime – Stocking a verified spare eliminates the critical path delay caused by OEM lead times (often 16–26 weeks for new units).
- Tested Before Shipment – Every unit sourced through Konmask undergoes functional bench testing against Honeywell LCN communication protocols.
- Supports Migration Projects – Ideal for phased Experion PKS migration programs where legacy LCN nodes must remain operational during cutover.
Complete System Bill of Materials
The K4LCN-16 operates within the broader TDC 3000 LCN ecosystem. Common companion components include:
- Honeywell 51401642-100 – LCN Interface Module
- Honeywell 51304485-100 – Power Supply Module
- Honeywell 51402573-150 – Universal Control Network (UCN) Interface
- Honeywell 51196682-100 – LCN Coax Cable Assembly
- Honeywell 51401428-100 – History Module (HM)
- Honeywell 51402516-100 – Application Module (AM)
Contact Konmask to source a complete BOM for your TDC 3000 system refresh or emergency repair.
Compliance & Industry Standards
- Designed and manufactured under Honeywell’s ISO 9001-certified quality management system.
- Compatible with IEC 61511 (Functional Safety – Safety Instrumented Systems) when integrated within a validated SIS architecture.
- Suitable for use in facilities operating under OSHA PSM (29 CFR 1910.119) and EPA RMP requirements.
- RoHS compliance status: legacy hardware — consult Konmask for material declaration documentation.
Quality Assurance & Sourcing
Konmask operates a structured 4-step verification process for all DCS modules:
- Visual Inspection – PCB examined for corrosion, component damage, and counterfeit indicators under magnification.
- Functional Bench Test – Module powered and tested for LCN communication handshake, memory read/write integrity, and processor response.
- Firmware Version Check – Revision level documented and matched to customer’s existing LCN node configuration.
- Secure Packaging – ESD-safe anti-static bag, foam-lined carton, and humidity indicator card for international transit.
How to Source This Part
- Submit your inquiry via the Add to Cart button or email support@konmask.com.
- Provide your TDC 3000 system revision and current firmware version if known — this ensures compatibility confirmation.
- Receive a formal quotation with lead time, condition grade, and warranty terms within 1 business day.
- Approve the proforma invoice; Konmask arranges DHL / FedEx / sea freight based on urgency and destination.
- Receive your shipment with full test report, packing list, and certificate of conformance.
Application-Specific FAQ
Q: Is the K4LCN-16 compatible with both early and late revisions of the TDC 3000 LCN?
A: In most cases yes, but firmware revision must be matched. Please share your existing node revision number and we will confirm compatibility before shipment.
Q: Can this module be used as a hot standby spare?
A: Yes. The TDC 3000 LCN supports redundant module configurations. The K4LCN-16 can be pre-staged as a cold or warm standby depending on your system’s redundancy architecture.
Q: What is the typical lead time from Konmask?
A: In-stock units ship within 3–5 business days internationally. If sourced from our global partner network, lead time is typically 7–14 business days.
Q: Do you provide a test report with the module?
A: Yes. Every unit ships with a Konmask functional test report documenting the test date, technician ID, and pass criteria.
Q: Can Konmask source other Honeywell TDC 3000 / LCN parts?
A: Absolutely. We maintain an extensive sourcing network for the full TDC 3000 ecosystem. Submit your complete BOM for a consolidated quote.
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