Process Control Analog Input Solution – Honeywell 51304754-176 / 51307687-176 | UCN HLAI Series
The Honeywell 51304754-176 / 51307687-176 is a UCN High Level Analog Input (HLAI) module designed for Honeywell’s TDC-3000 and TotalPlant Distributed Control System (DCS) platforms. This card acquires high-level analog signals from field transmitters and feeds them into the UCN (Universal Control Network) for real-time process monitoring and closed-loop control in demanding industrial environments.
Where This Product Is Used
This HLAI module is a critical I/O component in continuous-process industries where precise analog signal acquisition is non-negotiable:
- Oil & Gas Refineries – Monitoring pressure, temperature, and flow transmitters across distillation columns, reactors, and pipelines.
- Petrochemical & Chemical Plants – Acquiring 4–20 mA / 1–5 V signals from field instruments in hazardous-area processes.
- Power Generation – Turbine control and boiler management systems requiring high-accuracy analog acquisition.
- Pulp & Paper Mills – Continuous process lines with multi-loop DCS control architectures.
- Pharmaceutical Manufacturing – GMP-compliant process monitoring with validated DCS configurations.
- LNG & Offshore Platforms – Harsh-environment installations demanding proven Honeywell TDC-3000 hardware reliability.
Technical Specifications
| Parameter | Specification |
|---|---|
| Part Number (Primary) | 51304754-176 |
| Part Number (Alternate) | 51307687-176 |
| Module Type | UCN High Level Analog Input (HLAI) |
| Compatible Platform | Honeywell TDC-3000 / TotalPlant DCS |
| Network Interface | UCN (Universal Control Network) |
| Signal Type | High-Level Analog Input (4–20 mA / 1–5 V DC) |
| Weight (approx.) | 300 g |
| Condition Available | New / Refurbished / Tested Surplus |
| Manufacturer | Honeywell Process Solutions |
Why Engineers Specify This Model
- Direct UCN Compatibility – Plug-and-play replacement within existing TDC-3000 / TotalPlant UCN architectures; no gateway or protocol conversion required.
- High Signal Integrity – Designed for high-level analog acquisition with noise immunity suited to industrial field environments.
- Dual Part Number Cross-Reference – 51304754-176 and 51307687-176 are functionally equivalent, simplifying procurement across different revision documentation sets.
- Long DCS Lifecycle Support – TDC-3000 systems remain operational at thousands of sites globally; sourcing genuine HLAI cards extends system life without costly platform migration.
- Proven Field Reliability – Honeywell’s UCN I/O modules are engineered for 24/7 continuous operation in Class I process environments.
Complete System Bill of Materials
This HLAI module is typically deployed alongside the following Honeywell TDC-3000 / UCN components:
- Honeywell UCN High Performance Process Manager (HPPM) or Basic Process Manager (BPM)
- Honeywell IOP (Input/Output Processor) cards
- UCN Coaxial Cable & Tap Assemblies
- Honeywell FTA (Field Termination Assembly) – compatible HLAI FTA
- Honeywell Power Supply Modules for I/O cabinets
- Redundant UCN Highway Interface Modules (HIM)
Contact Konmask.com for complete BOM sourcing support for your TDC-3000 system.
Compliance & Industry Standards
- Designed and manufactured under Honeywell’s ISO 9001 quality management system.
- Compatible with IEC 61511 (Functional Safety – Safety Instrumented Systems) deployment architectures.
- Suitable for use in facilities operating under ISA-5.1 instrumentation standards.
- Supports NAMUR NE 43 signal range conventions for analog transmitters.
Quality Assurance & Sourcing
- Authenticity Verified – All Honeywell modules at Konmask.com are sourced from traceable supply chains and inspected prior to shipment.
- Functional Testing – Refurbished units undergo bench-level power-on and signal-path testing before listing.
- Secure Packaging – ESD-safe anti-static packaging with foam cushioning for international freight.
- Traceability – Serial number and revision level documented for each unit shipped.
- Warranty – 90-day replacement warranty on all tested surplus and refurbished units.
How to Source This Part
- Add to Cart – Click “Add to Cart” above to place an immediate order.
- Request a Quote – For volume orders or urgent requirements, email support@konmask.com with your required quantity and delivery timeline.
- Cross-Reference Check – If your documentation lists 51307687-176, confirm with our team — this is the alternate part number for the same module.
- Expedited Shipping – DHL / FedEx international express available for critical plant shutdowns and turnarounds.
Application-Specific FAQ
Q: Are 51304754-176 and 51307687-176 the same module?
A: Yes. These are dual part numbers (primary and alternate revision) for the same Honeywell UCN High Level Analog Input module. Both are functionally interchangeable in TDC-3000 systems.
Q: Which Honeywell DCS platforms does this HLAI card support?
A: This module is designed for the Honeywell TDC-3000 and TotalPlant DCS platforms using the UCN (Universal Control Network) I/O architecture.
Q: Can this module be used as a direct replacement without reconfiguration?
A: In most cases, yes — provided the replacement unit matches the same revision level and the FTA wiring is compatible. Always verify with your DCS engineer before hot-swap in live systems.
Q: Do you provide documentation or datasheets?
A: Yes. Contact support@konmask.com and we will provide available Honeywell technical documentation for this module.
Q: What is the lead time for this part?
A: In-stock units ship within 1–3 business days. For out-of-stock inquiries, our sourcing team typically locates verified units within 5–10 business days.
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