Product Details
The Honeywell 51402573-450, also cataloged as the 51402573-450 HPM UCN Interface Module, operates as a dedicated hardware component for digital subsystem data transfer between High-Performance Process Manager (HPM) processors and the Universal Control Network (UCN) within Honeywell TDC control platforms.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | 51402573-450 REV G |
| Brand | Honeywell |
| Origin | USA |
| Operating Temp | -40 to +60 deg C |
| Power Consumption | 24 VDC nominal supply |
| Communication Method | Digital subsystem interface with error checking |
| Contact Material | Silver alloy contacts |
| Certifications | CE, UL approved |
| System Compatibility | Honeywell TDC HPM / UCN Architecture |
4-20 mA HART Loop Protocol & Channel-to-Channel Isolation
The module processes high-speed digital frames passed between the HPM controller backplane and the UCN coaxial bus infrastructure. Internal pulse transformers and galvanic barriers maintain channel-to-channel isolation and backplane noise decoupling, protecting processing logic from differential common-mode voltage spikes. The digital interface handling supports diagnostic fault monitoring and data pass-through for 4-20 mA HART loop protocol field devices connected across downstream I/O racks without interrupting deterministic network cycle times.
Frequently Asked Questions
Q: What network link does the 51402573-450 interface module execute within the TDC topology?
A: The module establishes the physical and logical communication interface connecting High-Performance Process Manager (HPM) racks directly to the Universal Control Network (UCN) bus.
Q: What environmental temperature constraints apply during continuous module operation?
A: The board assembly is rated for industrial enclosure environments operating from -40 deg C to +60 deg C.
Field Installation Guidelines
- Isolate power from the host HPM chassis rack before inserting or removing the interface module.
- Align the printed circuit board edges with the enclosure card guides and push firmly until edge connectors seat fully into the backplane socket.
- Tighten faceplate mounting screws to secure physical grounding and vibration resistance.
- Verify that UCN coaxial cable connections and shield grounding comply with network topology layout specifications.
- Inspect cabinet cooling fan paths to prevent localized thermal buildup around the interface card slot.
Additional Information
- 100% Genuine Parts: All products are original and authentic, ensuring reliable industrial performance.
- 30-Day Refund Guarantee: Return any in-stock item within 30 days in original, unopened packaging for a full refund (excluding shipping and fees).
- 12-Month Warranty: Covers defects in materials or workmanship; excludes misuse, normal wear, or unauthorized modifications.
- Worldwide Shipping: We ship via USPS, UPS, FedEx, and DHL. Delivery times vary by country and may be subject to customs or import fees.
- Support & Contact: Technical and warranty assistance is available anytime. Contact us here: Contact.
- Purchase Guidance: Check product specifications and compatibility carefully before ordering to ensure proper application.































