Honeywell 51402573-150 HPM UCN Interface – TotalPlant Solution (TPS) Series
When a UCN communication link goes down in a TotalPlant Solution DCS environment, the consequences extend far beyond a single controller. Upstream process data stops flowing to the operator console, downstream regulatory loops lose their setpoints, and the entire segment of the plant effectively goes blind. In refinery charge heaters, ethylene crackers, and power generation boilers, that loss of visibility can trigger emergency shutdowns, flaring events, or worse. The Honeywell 51402573-150 HPM UCN Interface is the physical and logical bridge that prevents this scenario — it is not a commodity card, and it cannot be substituted with a generic alternative without re-engineering the entire node architecture.
Within the Honeywell TPS/TotalPlant Solution hierarchy, the HPM (High-Performance Process Manager) sits at the field-control tier, executing regulatory, sequential, and advanced control strategies. The 51402573-150 UCN Interface card is the HPM’s sole connection to the Universal Control Network — the deterministic, token-passing LAN that carries process data, configuration downloads, and diagnostic traffic between all HPM nodes and the Application Module (AM) / History Module (HM) tier. Without a fully functional UCN Interface, the HPM is isolated. This module has been deployed in continuous-process industries across six continents and remains the reference design for UCN-connected HPM nodes in plants that have operated reliably for 20+ years.
Technical Specifications
Electrical
- Part Number: 51402573-150
- Compatible System: Honeywell TotalPlant Solution (TPS) / TDC 3000
- Network Interface: Universal Control Network (UCN) — dual-redundant coaxial
- Supply Voltage: Derived from HPM card file backplane (5 VDC / 24 VDC)
- Communication Protocol: UCN token-passing, deterministic LAN
- Data Rate: Per UCN specification (Honeywell proprietary)
Mechanical
- Form Factor: Single-slot HPM card file module
- Weight: 340 g (as shipped)
- Connector: Rear-panel UCN coax and backplane edge connector
- Mounting: HPM card file, standard 19-inch rack
Environmental
- Operating Temperature: 0 °C to 60 °C (per TPS system specification)
- Relative Humidity: 5% to 95% non-condensing
- Vibration / Shock: Per Honeywell TPS environmental qualification
Certifications & Standards
- Designed and qualified to Honeywell TPS system standards
- Applicable references: IEC 61511 (functional safety in process industries), ISA-5.1
- CE marking per applicable EU directives (verify with Honeywell documentation for specific revision)
Note: All specifications are based on Honeywell published TPS system documentation. Buyers should verify revision-specific parameters against the applicable Honeywell engineering specification prior to installation.
Key Features & Benefits
- Dual-redundant UCN connectivity — Supports Honeywell’s dual-coax UCN topology, allowing automatic failover to the secondary network path with zero process interruption, directly supporting IEC 61511 SIL-rated loop integrity requirements.
- Deterministic token-passing communication — UCN’s token-passing architecture guarantees bounded latency for process data delivery; in a 20-node UCN segment, worst-case cycle time remains predictable, which is essential for tight regulatory loops such as fired-heater fuel-gas control.
- Direct HPM backplane integration — The card interfaces natively with the HPM card file backplane, eliminating external wiring between the controller and the network interface and reducing potential failure points by removing an entire wiring tier.
- Long-term platform continuity — The 51402573-150 is a proven component in TPS installations with 15–25 year operational histories; sourcing a genuine replacement card preserves the validated system configuration and avoids the re-qualification cost of a platform migration, which typically runs USD 500,000–2,000,000 per unit.
- Hot-swap compatible within HPM architecture — When the HPM is configured for redundancy, the UCN Interface can be replaced during a planned maintenance window without requiring a full controller shutdown, minimizing production loss.
- Supports full TPS diagnostic suite — The module participates in Honeywell’s online diagnostics, allowing the AM to monitor UCN Interface health, report fault codes to the operator console, and log events to the History Module — all without additional hardware.
Industry & Equipment Applications
- Oil & Gas Refining — Crude distillation units (CDU), fluid catalytic cracking (FCC) units, and hydrocracker reactors where TPS-based HPM nodes manage feed-forward and cascade control loops requiring uninterrupted UCN communication.
- Petrochemical & Chemical Processing — Ethylene crackers, ammonia synthesis loops, and polymer reactors operating under continuous-process conditions where a UCN dropout would force a costly emergency shutdown.
- Power Generation — Coal-fired and gas-fired boiler management systems, turbine control auxiliaries, and balance-of-plant automation where TPS DCS platforms have been the installed base for decades.
- Pulp & Paper — Recovery boilers, digester control, and bleach plant sequences managed by TPS HPM nodes, where the UCN Interface carries both regulatory and sequential control data on the same network segment.
- Offshore Platforms & LNG — Topside process control and LNG liquefaction train automation where space-constrained HPM card files require reliable UCN Interface cards rated for marine-grade environmental conditions.
- Pharmaceutical & Specialty Chemicals — Batch reactor management and clean-in-place (CIP) sequencing in FDA-regulated facilities where the validated TPS configuration must be maintained with like-for-like replacement parts.
System Integration & Compatible Parts
Upstream / Host Components:
- Honeywell Application Module (AM) — UCN network manager and data historian gateway
- Honeywell History Module (HM) — process data archiving over UCN
- Honeywell Universal Control Network (UCN) coaxial cable plant and tap assemblies
Downstream / Peer Components:
- HPM I/O Link Interface cards (e.g., 51401288-100) — connecting field I/O to the HPM
- HPM Power Supply modules — providing backplane power to the card file
- HPM Processor / Controller card — the compute element that the UCN Interface serves
Alternative / Equivalent Considerations:
- Other Honeywell 51402573-xxx revision variants may be electrically compatible; confirm firmware revision and UCN segment configuration with Honeywell engineering or a qualified TPS integrator before substitution.
- No third-party equivalent exists for the UCN Interface function — the UCN protocol is Honeywell proprietary and is not implemented by any non-Honeywell hardware.
Our Quality Assurance Process
- Visual & Physical Inspection — Each unit is examined for board-level damage, corrosion, bent connector pins, and component integrity. Units with any physical anomaly are quarantined and not offered for sale.
- Functional Verification — Where test equipment is available, modules are powered and checked for basic communication response. Results are logged against the serial number.
- Traceability Documentation — We record the source, inspection date, and test results for every unit. This record is available to buyers on request.
- Secure Packaging — Units are shipped in anti-static bags, foam-lined boxes, and outer cartons rated for international freight, with desiccant packs where appropriate for humidity-sensitive components.
Available Documentation (on request):
- Inspection report with serial number
- Functional test log (where applicable)
- Original Honeywell datasheet / engineering specification reference
- Certificate of conformance (COC)
How to Order
- Submit Your Inquiry — Use the contact form on this page or email support@konmask.com with your required part number (51402573-150), quantity, and any urgency or lead-time requirements.
- Receive Quotation — Our team will respond within 24 hours with availability, pricing, lead time, and shipping options. We serve buyers in North America, Europe, the Middle East, and Asia-Pacific.
- Confirm & Ship — Once you approve the quotation, we arrange payment, prepare export documentation, and dispatch with full tracking. Expedited freight is available for urgent plant requirements.
Why Choose Konmask.com?
- Specialized in DCS & PLC spare parts — We focus exclusively on industrial automation components, which means our team understands the technical context of every part we supply, not just the part number.
- Verified inventory with traceability — Every unit we offer has been physically inspected and documented. We do not list parts we cannot verify.
- 24-hour inquiry response — Plant shutdowns do not wait for business hours. We respond to all inquiries within 24 hours, including weekends for urgent requests.
- Global export experience — We handle export documentation, customs declarations, and international freight coordination for buyers in over 30 countries.
- Long-term supply partnership — Many of our customers return for multiple orders across different plant systems. We maintain records of your previous purchases to streamline repeat inquiries.
Frequently Asked Questions
Q: Is the Honeywell 51402573-150 compatible with both TDC 3000 and TotalPlant Solution (TPS) systems?
A: The HPM UCN Interface was introduced as part of the TPS platform evolution from TDC 3000. Compatibility depends on the specific HPM revision and UCN segment configuration in your plant. We recommend confirming your HPM card file revision and UCN network manager version before ordering. Our team can assist with compatibility verification if you provide your system details.
Q: What is the lead time for the Honeywell 51402573-150 HPM UCN Interface, and do you hold stock?
A: Lead time depends on current inventory levels, which change frequently for legacy DCS spare parts. Submit an inquiry and we will confirm availability and lead time within 24 hours. For urgent plant requirements, we can also advise on expedited freight options.
Q: Can the 51402573-150 UCN Interface be replaced online without shutting down the HPM controller?
A: In a redundant HPM configuration, the UCN Interface replacement can typically be performed during a planned maintenance window with the redundant controller holding control. However, the specific procedure depends on your HPM redundancy configuration and site safety procedures. Always follow Honeywell’s published maintenance procedures and your site’s management of change (MOC) process before performing any card replacement.
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