Honeywell 51301874-100 / 51301875-100 MUX Board – TDC 3000 Multiplexer Module
When a multiplexer board fails inside a Honeywell TDC 3000 distributed control system, the consequences are immediate and severe: field signal acquisition collapses, operators lose real-time process visibility, and entire production units face unplanned shutdown. In refinery, chemical, and power generation environments where continuous uptime is non-negotiable, the MUX Board is not a peripheral component — it is the nervous system that bridges field instrumentation to the control highway. Without it, the DCS is blind.
The Honeywell 51301874-100 (assembly board) paired with 51301875-100 (associated sub-assembly) represents the proven multiplexer solution within the TDC 3000 / TotalPlant Solution (TPS) architecture. This module has been deployed across thousands of process plants globally since the TDC 3000 platform’s widespread adoption in the 1980s–2000s, and remains a critical spare for facilities maintaining legacy Honeywell DCS infrastructure. Its continued demand in the global MRO market reflects the platform’s extraordinary installed base and long operational lifecycle.
Technical Specifications
- Part Numbers: 51301874-100 (MUX Board) / 51301875-100 (Sub-Assembly)
- Compatible Platform: Honeywell TDC 3000 / TotalPlant Solution (TPS)
- Module Function: Multiplexer (MUX) – field signal aggregation and routing
- Form Factor: PCB card module for TDC 3000 card cage
- Weight: 900 g (approx.)
- Condition Available: New surplus / Refurbished / Used tested
- Manufacturer: Honeywell Process Solutions
Note: Detailed electrical specifications (voltage, channel count, signal types) should be verified against the Honeywell TDC 3000 hardware documentation for your specific system revision. Konmask does not fabricate parameters not confirmed by official documentation.
Key Features & Benefits
- Direct OEM Replacement: Exact part number match ensures plug-and-play compatibility within TDC 3000 card cages — no firmware reconfiguration required.
- Signal Integrity: Maintains reliable multiplexed signal routing from field transmitters to the Data Hiway, preserving loop accuracy.
- Long-Lifecycle Support: Sourced specifically to support plants extending TDC 3000 operational life beyond OEM support windows.
- Dual-Part Bundle: The 51301874-100 and 51301875-100 are functionally paired; sourcing both from a single supplier eliminates compatibility risk.
- Tested Before Shipment: All refurbished units undergo functional verification prior to dispatch.
Industry & Equipment Applications
- Oil & Gas – Refinery process control (crude distillation, hydrotreating, FCC units)
- Petrochemical – Ethylene, ammonia, and polymer plant DCS systems
- Power Generation – Boiler management and turbine control systems running TDC 3000
- Pulp & Paper – Continuous process lines with legacy Honeywell DCS
- Pharmaceutical – Batch and continuous manufacturing under validated TDC 3000 environments
- Water Treatment – Large municipal and industrial water/wastewater facilities
System Integration & Compatible Parts
The 51301874-100 / 51301875-100 MUX Board operates within the Honeywell TDC 3000 / TPS ecosystem. Commonly integrated or replaced alongside:
- Honeywell TDC 3000 Card Cage / Chassis assemblies
- Honeywell Data Hiway Interface modules
- Honeywell HPM (High-Performance Process Manager) I/O cards
- Honeywell UCN (Universal Control Network) communication modules
- Associated power supply modules for TDC 3000 enclosures
Contact our technical team to confirm compatibility with your specific TDC 3000 system revision and card cage configuration.
Our Quality Assurance Process
- Source Verification: All modules are sourced from documented industrial decommissions, authorized distributors, or OEM-certified channels.
- Visual Inspection: PCB examined for physical damage, corrosion, burnt components, and connector integrity.
- Functional Testing: Refurbished units are bench-tested in a TDC 3000-compatible environment where applicable.
- Anti-Static Packaging: Shipped in ESD-safe bags with foam cushioning to prevent transit damage.
- Documentation: Test reports and condition certificates available upon request.
How to Order
- Submit an inquiry via the Contact / RFQ form on this page or email [email protected].
- Provide your required quantity, preferred condition (new/refurbished/used), and delivery timeline.
- Our team will respond with availability, lead time, and a formal quotation within 24 business hours.
- Upon order confirmation, we arrange secure packaging and international shipping with full tracking.
Why Choose Konmask.com?
- 🔧 Industrial Automation Specialists: Focused exclusively on PLC, DCS, and automation hardware — not a generalist marketplace.
- 🌍 Global Supply Network: Access to hard-to-find legacy modules including discontinued Honeywell TDC 3000 parts.
- ✅ Quality-First Policy: Every unit inspected and documented before shipment.
- ⚡ Fast Response: RFQ responses within 24 hours; emergency sourcing support available.
- 📦 Secure International Shipping: ESD-safe packaging, export documentation, and door-to-door tracking.
- 🤝 B2B Partnership: Long-term supplier relationships with maintenance teams, EPCs, and MRO procurement departments worldwide.
Frequently Asked Questions
- Q: Are 51301874-100 and 51301875-100 sold separately or as a set?
- A: Both part numbers can be quoted individually or as a paired set. Please specify your requirement in the RFQ.
- Q: Is this module compatible with Honeywell TPS (TotalPlant Solution)?
- A: Yes. The TDC 3000 and TPS platforms share hardware architecture, and this MUX Board is compatible with both. Confirm your specific system revision with our team.
- Q: What condition options are available?
- A: We typically offer new surplus, refurbished (tested), and used (as-removed) depending on current stock. Condition and test documentation are provided with each unit.
- Q: How long does international shipping take?
- A: Standard international express delivery is 3–7 business days depending on destination. Expedited options are available for urgent plant shutdowns.
- Q: Can you provide a certificate of conformance or test report?
- A: Yes. Test reports and condition certificates are available upon request for refurbished units.
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Original Source: https://Konmask.com
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