Product Overview
The Honeywell 51305348-100 is a specialized Local Control Network (LCN) interface board designed exclusively for integration with Honeywell’s TDC 3000 Universal Station systems—a critical component of the TDC 3000 distributed control system (DCS). As a core communication interface, it enables seamless data exchange between the Universal Station (a human-machine interface, HMI, for operator control) and the LCN, facilitating real-time monitoring and control of industrial processes.
This board serves as a replacement for legacy LCN interface boards in Universal Station configurations, ensuring backward compatibility with existing TDC 3000 infrastructure while enhancing communication reliability. It is primarily deployed in industrial environments such as power plants, oil & gas refineries, and chemical processing facilities, where the Universal Station acts as the central hub for operators to visualize process data, adjust setpoints, and execute control commands.
The 51305348-100 is engineered to handle the high-bandwidth data requirements of Universal Stations, supporting bidirectional communication between the HMI and LCN nodes (e.g., process controllers, PLC gateways). Its robust design focuses on signal integrity, electromagnetic interference (EMI) resistance, and mechanical stability to ensure uninterrupted operation in harsh industrial settings.
Key Features
LCN Communication Optimization
Dedicated to high-speed data transmission between TDC 3000 Universal Stations and the LCN, supporting bidirectional communication of process variables, alarm signals, and control commands. It handles data rates consistent with TDC 3000 LCN protocols (up to 5 Mbps), ensuring real-time responsiveness for operator interactions.
Integrates advanced signal conditioning circuitry to reduce noise and distortion in LCN signals, critical for maintaining data accuracy in environments with heavy electrical interference from motors, pumps, or other industrial equipment.
System Compatibility & Integration
Exclusively compatible with Honeywell TDC 3000 Universal Station models, including the UCN/Universal Station (USTN) and related console configurations. It interfaces seamlessly with LCN coaxial cables (both “A” and “B” paths for redundancy) and Universal Station motherboards.
Supports integration with TDC 3000 LCN nodes such as Process Managers (PM), Advanced Process Managers (APM), and EPLCG modules, enabling the Universal Station to aggregate data from multiple control elements across the plant.
Redundancy Support
Designed to work with dual LCN paths (“A” and “B”), enabling automatic failover in redundant Universal Station setups. If one LCN path fails, the board switches to the alternate path without interrupting operator access to process data—critical for maintaining situational awareness in high-availability applications.
Industrial-Grade Durability
Constructed with a ruggedized PCB (Printed Circuit Board) and metal shielding to withstand vibration (1g maximum operating vibration) and temperature fluctuations in industrial environments (0°C to 50°C operating range).
Features gold-plated connectors for reliable long-term electrical contact, reducing the risk of signal degradation due to corrosion or wear—common in dusty or humid industrial settings.
Easy Replacement & Upgrade
Serves as a drop-in replacement for legacy LCN interface boards in Universal Stations (e.g., 51304543-100), requiring no modifications to the station’s chassis or wiring. This simplifies upgrades and reduces downtime during maintenance.
Technical Specifications
The Honeywell 51305348-100 is manufactured by Honeywell Inc.’s Industrial Automation and Control Division, classified as an LCN interface board specifically engineered for TDC 3000 Universal Station systems. It is designed to enable communication between the Universal Station and the TDC 3000 LCN, supporting bidirectional data transmission of process data, alarms, and control signals.
Functionally, the board interfaces with LCN coaxial cables (both “A” and “B” paths) and operates at data rates consistent with TDC 3000 LCN protocols (up to 5 Mbps). Power is derived from the Universal Station’s internal power supply, which typically operates at 5 V DC and 12 V DC to support logic and interface circuitry.
In terms of environmental resilience, the board operates within a temperature range of 0°C to 50°C (32°F to 122°F) and can be stored in conditions ranging from -40°C to +70°C (-40°F to +158°F). It supports a relative humidity range of 5% to 95% (non-condensing), making it suitable for most industrial environments. For mechanical stability, it withstands 1g of vibration (10 Hz to 2000 Hz) during operation and 20g of shock (11 ms duration) for transportation.
The board features a compact form factor, conforming to the Universal Station’s internal slot specifications (approximately 150 mm x 100 mm x 20 mm), and is mounted via screws to the station’s internal chassis for secure mechanical attachment. It includes gold-plated LCN connectors (BNC type) for reliable signal transmission and metal shielding to minimize EMI susceptibility.
Compatibility is limited to Honeywell TDC 3000 Universal Stations, including models with UCN (Universal Control Network) integration. It supports redundancy via dual LCN paths (“A” and “B”), with automatic failover logic to ensure continuous communication. The board is certified to industrial standards, including UL 508 (Industrial Control Equipment) and IEC 61010-1 (Safety Requirements for Electrical Equipment for Measurement, Control, and Laboratory Use).
Key associated components include LCN coaxial cables (50-ohm impedance), Universal Station motherboards, and LCN terminators (75-ohm) to prevent signal reflections. The board is a direct replacement for legacy part numbers such as 51304543-100, ensuring compatibility with older Universal Station revisions.
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