Product Overview
The Honeywell 51305430-100 is a specialized serial communication interface board engineered exclusively for Honeywell’s TDC 3000 distributed control system (DCS), designed to facilitate reliable data exchange between TDC 3000 nodes (e.g., controllers, gateways, operator stations) and external serial devices. As a CE-compliant component, it meets European Union EMC (Electromagnetic Compatibility) and Health and Safety Directives, making it suitable for deployment in EU countries and global industrial environments requiring regulatory compliance.
This board serves as a critical bridge for serial-based peripherals and third-party devices, enabling integration of equipment such as printers, barcode scanners, remote monitoring devices, and legacy PLCs (Programmable Logic Controllers) into the TDC 3000 ecosystem. It supports industry-standard serial protocols (e.g., RS-232, RS-485) to accommodate diverse device communication needs, making it versatile for applications in oil & gas, power generation, chemical processing, and manufacturing facilities.
Unlike generic serial interface boards, the 51305430-100 is optimized for TDC 3000 system architecture, ensuring seamless interoperability with LCN (Local Control Network) nodes and compliance with TDC 3000 communication protocols. Its rugged design and EMI (Electromagnetic Interference) shielding ensure stable performance in harsh industrial settings, where electrical noise and environmental stressors (e.g., temperature fluctuations, vibration) are common.
Key Features
CE Compliance & Regulatory Adherence
Certified to meet EU EMC Directive (89/336/EEC) and Health and Safety Directive (73/23/EEC), marked with the “CE Mark” for legal deployment in EU member states.
Complies with global industrial safety standards, including UL 508 (Industrial Control Equipment) and IEC 61010-1 (Safety of Electrical Equipment for Measurement, Control, and Laboratory Use), ensuring safe operation in Class I, Division 2 / Zone 2 hazardous locations when paired with appropriate enclosures.
Multi-Protocol Serial Support
Dual serial ports with configurable protocol support: RS-232 for point-to-point communication (up to 15 meters) and RS-485 for multidrop networks (up to 1200 meters), enabling flexible connectivity to both short-range and long-range serial devices.
Baud rate adjustability (1200–115200 bps) and configurable parity (odd/even/none) to match the communication parameters of external devices, eliminating compatibility gaps with legacy or third-party equipment.
TDC 3000 System Integration
Seamlessly interfaces with TDC 3000 LCN nodes (e.g., K2LCN/K4LCN processors, EPLCG gateways, Universal Stations) via the system’s backplane, ensuring synchronized data flow between serial devices and the DCS.
Supports TDC 3000-specific data mapping, enabling direct integration of serial device data into the DCS database for real-time monitoring, alarming, and control—no additional middleware required.
EMI Shielding & Signal Integrity
Equipped with metalized shielding on the PCB (Printed Circuit Board) and shielded connectors to minimize EMI emissions and susceptibility, critical for maintaining signal clarity in environments with high electrical noise (e.g., near motors, transformers, or high-voltage equipment).
Integrated surge protection and line termination resistors (for RS-485) to prevent signal reflections and damage from voltage transients, extending the board’s lifespan and reducing unplanned downtime.
Rugged Industrial Design
Constructed with a reinforced PCB and heat-resistant components to withstand operating temperatures ranging from 0°C to 50°C (32°F to 122°F) and storage temperatures from -40°C to +70°C (-40°F to +158°F).
Vibration resistance (1g maximum at 10–2000 Hz) and shock resistance (20g for 11 ms) to endure mechanical stress in rack-mounted industrial cabinets or mobile equipment enclosures.
Easy Configuration & Maintenance
Jumper-based configuration for protocol selection (RS-232/RS-485) and baud rate, eliminating the need for software programming and simplifying on-site setup.
LED status indicators for each serial port (TX/RX activity, error detection) to enable quick troubleshooting of communication issues, reducing maintenance time and complexity.
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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