Model Number Explanation

51404092-200

5140: Honeywell DCS Core Hardware Series

40: TDC3000 Network & Communication Subsystem

92: Enhanced Link/Communication Processor

200: Standard revision, dual-network interface support

Technical Specifications

Function: LCN-UCN protocol conversion, data routing, network synchronization, link redundancy management

Processor: 32-bit RISC, real-time OS, dual-core redundancy capable

Communication Interfaces:

LCN: 1 Mbps, token-passing, redundant

UCN: 2 Mbps, peer-to-peer, redundant

Power: 5 VDC, ≤ 2.8 A (typical)

Dimensions (mm): 365 × 128 × 20 (standard TDC3000 full-height card)

Weight: Approx. 0.42 kg

Operating Temperature: 0°C ~ +60°C

Compatibility: TDC3000 R500–R610, TPS R100–R120 (LCN/UCN racks)

Interfaces & Configuration

Backplane: Dedicated slot in LCN/UCN chassis, hot-swappable

Front Panel: Status LEDs (PWR, RUN, LCN-A/B, UCN-A/B, FAULT), diagnostic port

Configuration: TPS System Software; LCN/UCN addressing, redundancy setup, baud rate

Key Features

LCN-UCN Gateway: Translates and routes data between LCN (operator/engineering nodes) and UCN (process controllers)

Redundant Communication: Supports dual LCN and dual UCN ports for fault-tolerant, non-stop operation

High-Speed Data Handling: Optimized for real-time control data, alarms, and historian information

Network Synchronization: Maintains system-wide time sync and data consistency across all nodes

Built-In Diagnostics: Real-time monitoring of network, processor, and power faults with alarm reporting

Seamless Integration: Works with HPM, UCN controllers, LCN nodes, GUS stations, and Experion PKS servers

Applications

Systems: Honeywell TDC3000, TPS (LCN/UCN Network Racks)

Typical Setup: LCN chassis + 51404092-200 + UCN racks + HPM controllers

Industries: Oil & gas, petrochemical, power generation, pulp & paper, pharmaceuticals

Use Case: Plant-wide network bridging, inter-node communication, real-time process data exchange

Compatibility & Replacement

Related Modules: LCN interface cards, UCN communication modules, HPM controllers, power supply units

Replacement Model:

51404092-200: Standard LCN-UCN link module

51404092-400: Enhanced version with extended diagnostics and temperature range