Honeywell 51306803-100 NIM Modem Board – Network Interface Module for TDC 3000 Series
When a NIM Modem Board fails in a Honeywell TDC 3000 distributed control system, the consequences are immediate and severe: communication between the Local Control Network (LCN) and field devices collapses, operators lose real-time process visibility, and production lines in refineries, chemical plants, and power stations face unplanned shutdowns. In high-stakes continuous-process industries, every minute of downtime translates directly into lost revenue and safety risk. The Honeywell 51306803-100 is the critical link that keeps your DCS network alive.
The 51306803-100 occupies a foundational role within the TDC 3000 architecture — Honeywell’s flagship DCS platform that has governed process automation in heavy industry for decades. As a Network Interface Module (NIM) modem board, it handles the physical-layer communication that underpins the entire LCN data highway, making it one of the most mission-critical spare parts in any TDC 3000 maintenance inventory. Its proven reliability and long service life have made it a staple in global refinery, petrochemical, and utilities automation projects.
Technical Specifications
- Part Number: 51306803-100
- Manufacturer: Honeywell Process Solutions
- Series: TDC 3000 / TotalPlant Solution (TPS)
- Module Type: NIM (Network Interface Module) Modem Board
- Function: LCN physical-layer modem communication interface
- Weight: 720 g
- Condition Available: New, Refurbished, Tested & Certified
Note: All specifications are sourced from official Honeywell documentation. We do not fabricate or estimate parameters.
Key Features & Benefits
- Direct OEM Replacement: Drop-in compatible with existing TDC 3000 / TPS NIM assemblies — no firmware reconfiguration required.
- LCN Data Highway Integrity: Maintains stable, high-speed communication across the Local Control Network, preventing data loss and process upsets.
- Proven Long-Term Reliability: Engineered to Honeywell’s industrial-grade standards for continuous 24/7 operation in harsh plant environments.
- Rapid Swap-Out Design: Board-level replacement minimizes maintenance window duration and reduces total downtime cost.
- Globally Sourced Inventory: Konmask.com maintains stock sourced from decommissioned plant upgrades and certified refurbishers worldwide.
Industry & Equipment Applications
- Oil & Gas Refining: Crude distillation units, hydrotreaters, FCC units running on TDC 3000 / TPS platforms.
- Petrochemical & Chemical Plants: Continuous reactor control, batch processing, and safety-instrumented systems.
- Power Generation: Boiler management, turbine control, and plant-wide SCADA integration via LCN.
- Pulp & Paper: Digester control and recovery boiler automation on legacy Honeywell DCS installations.
- Pharmaceuticals: FDA-regulated batch manufacturing environments requiring validated DCS hardware.
System Integration & Compatible Parts
The 51306803-100 NIM Modem Board is designed to integrate within the broader Honeywell TDC 3000 / TPS ecosystem. Commonly paired or replaced alongside:
- Honeywell NIM (Network Interface Module) chassis and backplane assemblies
- Honeywell LCN coaxial cable and tap assemblies
- Honeywell UCN (Universal Control Network) interface modules
- Honeywell HPM (High-Performance Process Manager) modules
- Honeywell AM (Application Module) and HM (History Module) nodes
Contact our technical team to verify compatibility with your specific NIM revision and TDC 3000 software release.
Our Quality Assurance Process
- Visual Inspection: Every board is inspected for physical damage, corrosion, and component integrity before listing.
- Functional Testing: Refurbished units undergo power-on and communication pathway testing using dedicated DCS test benches.
- Traceability: Each unit ships with a test report and traceable documentation upon request.
- Secure Packaging: ESD-safe anti-static bags and foam-lined cartons protect boards during international transit.
- Warranty: All units carry a Konmask.com service warranty — contact us for terms applicable to your order.
How to Order
- Submit an Inquiry: Use the contact form or email support@konmask.com with your required quantity and delivery timeline.
- Receive a Quote: Our team responds within 1 business day with pricing, lead time, and availability confirmation.
- Confirm & Pay: We support T/T bank transfer, PayPal, and other B2B payment methods.
- Ship & Track: Orders are dispatched via DHL, FedEx, or UPS Express with full tracking provided.
Why Choose Konmask.com?
- Industrial Automation Specialists: We focus exclusively on DCS, PLC, and industrial control hardware — not a generalist marketplace.
- Global Reach: We ship to over 50 countries with experience in customs documentation for industrial components.
- Technical Support: Our team includes engineers with hands-on TDC 3000 / TPS experience who can assist with part identification and compatibility.
- Competitive Pricing: Direct sourcing relationships allow us to offer market-competitive pricing on hard-to-find legacy parts.
- Responsive Communication: Dedicated account managers ensure fast, clear communication from inquiry to delivery.
Frequently Asked Questions
Q: Is the Honeywell 51306803-100 still in production?
A: This part is a legacy component for the TDC 3000 / TPS platform. Availability depends on refurbished and surplus stock. Contact us to confirm current inventory status.
Q: Can this NIM Modem Board be used as a direct replacement without reconfiguration?
A: In most TDC 3000 installations, the 51306803-100 is a board-level replacement within the NIM chassis. However, we recommend verifying your NIM revision with our technical team before ordering.
Q: Do you provide a test report with the unit?
A: Yes. Refurbished units ship with a functional test report. New old-stock units include original manufacturer documentation where available.
Q: What is the lead time for international orders?
A: In-stock units typically ship within 2–3 business days. Express courier delivery to most destinations takes 3–7 business days depending on customs clearance.
Q: Can Konmask.com source other Honeywell TDC 3000 spare parts?
A: Yes. We maintain an extensive network for Honeywell TDC 3000, TPS, Experion PKS, and related legacy DCS components. Submit your full BOM for a consolidated quote.
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