Honeywell 51305896-100 Modem Board – Serial Communication Module for TDC 3000 Distributed Control System
When a modem board fails in a Honeywell TDC 3000 distributed control system, the consequences extend far beyond a simple communication error. Serial data links between controllers, operator stations, and field devices go silent. Process visibility is lost. In high-stakes environments such as oil refineries, chemical plants, and power generation facilities, even minutes of blind operation can trigger costly shutdowns, safety incidents, or regulatory violations. The Honeywell 51305896-100 Modem Board is the precision-engineered component that keeps these critical communication pathways alive.
The 51305896-100 occupies a specialized position within the Honeywell TDC 3000 platform — one of the most widely deployed DCS architectures in global process industries. As a dedicated modem board, it handles the serial communication interface layer that underpins data exchange across the Local Control Network (LCN) and associated subsystems. Its continued availability is essential for plants operating legacy TDC 3000 infrastructure, where replacement with a non-OEM-equivalent part risks compatibility failures and recertification burdens.
Technical Specifications
- Part Number: 51305896-100
- Manufacturer: Honeywell Process Solutions
- Series / Platform: TDC 3000 Distributed Control System
- Module Type: Modem Board (Serial Communication Interface)
- Form Factor: PCB module for rack-mount DCS chassis
- Weight: 220 g (approx.)
- Condition Available: New surplus / Refurbished / Used tested
- Compliance: Designed to Honeywell OEM specifications
Note: Konmask.com does not fabricate or alter specifications. All technical data is based on OEM documentation and physical inspection. Buyers are advised to verify compatibility with their specific system revision.
Key Features & Benefits
- Drop-in Replacement: Designed as a direct replacement for failed or degraded modem boards in TDC 3000 systems — no firmware modification required.
- Reliable Serial Communication: Maintains stable data transmission across DCS nodes, preventing process data gaps and controller timeouts.
- Extended Platform Longevity: Enables continued operation of TDC 3000 infrastructure without costly full-system migration.
- Tested Before Shipment: Each unit undergoes functional verification prior to dispatch.
- Fast Global Dispatch: In-stock units ship within 1–3 business days to minimize plant downtime.
- Traceability: Full documentation and inspection records available upon request.
Industry & Equipment Applications
- Oil & Gas: Upstream/downstream process control, pipeline SCADA integration
- Petrochemical & Chemical Plants: Reactor monitoring, batch process control
- Power Generation: Turbine control systems, boiler management
- Pulp & Paper: Continuous process lines with legacy DCS infrastructure
- Pharmaceuticals: GMP-compliant process automation environments
- Water Treatment: SCADA-linked distributed control networks
System Integration & Compatible Parts
The Honeywell 51305896-100 Modem Board is designed for use within the TDC 3000 DCS ecosystem. It is typically installed alongside or as a replacement for components in the following subsystems:
- Honeywell TDC 3000 Local Control Network (LCN) modules
- Honeywell Universal Control Network (UCN) interface cards
- Honeywell HPM (High-Performance Process Manager) assemblies
- Honeywell AM/HM/NIM communication modules
- Related Honeywell 51xxxxx-series PCB boards
If you need assistance identifying compatible parts or verifying interoperability with your system revision, our technical team is available to support your inquiry.
Our Quality Assurance Process
- Step 1 – Visual Inspection: Physical examination for component damage, corrosion, or board defects.
- Step 2 – Functional Testing: Power-on and communication pathway verification using OEM-equivalent test rigs.
- Step 3 – Cleaning & Conditioning: Professional PCB cleaning and anti-static packaging.
- Step 4 – Documentation: Inspection report and test record issued with each shipment.
- Step 5 – Secure Packaging: ESD-safe bags, foam cushioning, and export-grade carton for international transit.
How to Order
- Submit an inquiry via the Contact / RFQ form on this page or email support@konmask.com.
- Provide your required quantity, delivery timeline, and destination country.
- Our team will respond within 24 hours with availability confirmation and a formal quotation.
- Upon PO confirmation, we arrange quality inspection, documentation, and shipment.
- Tracking information and shipping documents (commercial invoice, packing list, COO) are provided upon dispatch.
Why Choose Konmask.com?
- ✅ Specialized in Industrial Automation Spares: Deep inventory of Honeywell, ABB, Siemens, Rockwell, and other leading DCS/PLC brands.
- ✅ B2B Export Experience: Serving MRO buyers, EPC contractors, and plant maintenance teams across 40+ countries.
- ✅ Transparent Sourcing: We disclose product condition (new surplus / refurbished / used tested) clearly — no hidden surprises.
- ✅ Technical Support: Our engineers can assist with cross-referencing, compatibility checks, and installation guidance.
- ✅ Flexible Payment & Shipping: T/T, L/C, and major freight forwarder partnerships for seamless global delivery.
Frequently Asked Questions
- Q: Is the Honeywell 51305896-100 a new or refurbished part?
- A: We stock units in multiple conditions — new surplus, professionally refurbished, and used-tested. Please specify your preference when submitting an inquiry and we will confirm current availability.
- Q: Can this modem board be used in TDC 2000 systems?
- A: The 51305896-100 is designed for the TDC 3000 platform. Compatibility with TDC 2000 or other Honeywell legacy systems should be verified against your system’s hardware revision documentation before ordering.
- Q: What is the lead time for international orders?
- A: In-stock units typically ship within 1–3 business days. International transit time varies by destination and chosen freight method (air express: 3–7 days; sea freight: 15–35 days).
- Q: Do you provide a warranty?
- A: Yes. We offer a standard 90-day warranty covering functional defects under normal operating conditions. Extended warranty options are available — please inquire.
- Q: Can you supply other Honeywell TDC 3000 spare parts?
- A: Absolutely. Konmask.com maintains an extensive inventory of Honeywell TDC 3000 components. Contact us with your full BOM or parts list for a consolidated quotation.
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