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Honeywell 51401551-800

Product Name: K2LCN-8 LCN Processor Board
Product Overview: The 51401551-800 (K2LCN-8) is a high-performance LCN (Local Control Network) processor board designed for Honeywell TDC 3000 distributed control systems. It manages high-speed data communication and synchronization across the LCN backbone, acting as a key processing engine for the control network.

Detailed content

Technical Specifications:
  • Manufacturer: Honeywell
  • Model: K2LCN-8
  • Part Number: 51401551-800
  • Product Type: LCN Processor Board / LCN Processor Module
  • Processor: Motorola 68020
  • Memory: 8 MW (megawords), non-expandable
  • Clock Synchronization: 5 MHz digital clock sync
  • Operating Voltage: 2.5 V DC ±5%
  • Input Current: 25 mA
  • Power Supply: 12 V DC or 24 V DC system supply
  • Power Consumption: 10–15 W
  • Operating Temperature: -20 °C to +55 °C
  • Storage Temperature: -40 °C to +85 °C
  • Dimensions: 80 × 100 × 30 mm
  • Weight: 200–440 g (approximately 2 kg per some supplier listings)
  • Certifications: CE, TÜV, UL 508, CSA
  • Country of Origin: USA
Functional Characteristics:
  • Motorola 68020 processor delivering robust industrial computing power
  • Real-time clock synchronization across the LCN
  • Reliable data processing and deterministic task scheduling
  • Factory-configured firmware; no field firmware updates required
Working Principle: The board executes control algorithms and communication management tasks, synchronizing with other LCN nodes via a 5 MHz digital clock to maintain coherent system-wide operation.
Application Scenarios: Core processing in TDC 3000 DCS networks for process automation in power generation, chemical processing, oil and gas, and refining.
Installation Requirements: Insert into the dedicated processor slot in the TDC 3000 cabinet. Ensure proper backplane mating and adequate cooling airflow.
Usage Notes: This module is discontinued by the manufacturer; factory warranty may not apply. Verify memory configuration (8 MW) matches system requirements before replacement.

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