Honeywell 51304511-200

Product Name

TDC 3000 NIM Modem Paddlecard (CE Compliant)

Product Description

The 51304511-200 is a network interface modem paddlecard for Honeywell TDC 3000 distributed control systems. It serves as the communication bridge between the Universal Control Network (UCN) and Local Control Network (LCN), enabling data exchange between different network levels.

Category:
Description
Technical Specifications
  • System platform: TDC 3000, TPS, Experion PKS
  • Network channels: Redundant UCN A and UCN B dual channels
  • Input voltage: 24 V DC
  • Operating temperature: –20 °C to +60 °C
  • Dimensions: 2.0 cm × 13.3 cm × 23.7 cm
  • Weight: 0.24 kg
  • Compliance: CE, EN 50270, RoHS
Functional Features
  • Integrated PNM/PNI and coax functionality simplifies system architecture
  • Supports dual UCN redundant configuration for improved communication reliability
  • CE-compliant version meets European industrial standard requirements
  • Compatible with Honeywell proprietary UCN communication protocol
  • Plug-and-play design supports online replacement during system operation
Application Scenarios
  • DCS system network communication in petrochemical refineries
  • Network interconnection of power generation unit control systems
  • Batch production control systems in pharmaceutical industries
  • Process control networks for large chemical plants
Performance Parameters
  • Data transmission rate: 50 kbps to 2 Mbps
  • Power consumption: ≤0.24 W
  • Mean time between failures: ≥100,000 hours
Material Composition
  • Multilayer PCB board with high-TG substrate
  • Industrial-grade wide-temperature electronic components
  • Gold-plated card edge for enhanced slot contact reliability
Structural Characteristics
  • Standard paddlecard plug-in structure for EPNI rack mounting
  • Onboard status indicators show power and communication status
  • Integrated coaxial cable interface and serial communication interface
Working Principle

The card receives serial data from the LCN side, performs protocol conversion and modulation processing, then transmits the data to remote process controllers via UCN coaxial cable. It simultaneously receives field device data transmitted over the UCN network, demodulates it and forwards it to the LCN network, achieving transparent data transmission between the two network levels.

Installation Requirements
  • Install in the corresponding slot of the TDC 3000 NIM rack
  • Ensure the card is fully inserted into the slot and fixing screws are tightened
  • Use 75 Ω coaxial cable for UCN connections with matched terminators at both ends
  • System grounding must comply with Honeywell DCS grounding specifications
Usage Precautions
  • Wear an anti-static wrist strap when handling the card to prevent electrostatic damage
  • Do not disconnect UCN cables arbitrarily during system operation
  • Clean dust from the card surface periodically to avoid overheating
  • Replace faulty units with the same model compliant version only
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