Model Explanation

51401946-100

5140: Honeywell DCS Core Hardware Series

19: LCN Control Network Processor Sub-series

46: K4LCN High-Performance Memory Processor

100: Hardware Version (Standard 4MB Memory Version)

Alias: K4LCN-4 (4MB Memory Configuration) Technical Specifications

Processor: Motorola 68040 32-bit processor

Memory: 4 MB RAM (for system operation and data cache)

Storage: Built-in lithium battery backup (data protection in case of power failure)

Communication interface: LCN network interface (redundant A/B network), backplane bus interface

Power supply: 5 VDC (backplane power supply), approximately 500 mA

Operating temperature: 0°C ~ +60°C

Storage temperature: -40°C ~ +85°C

Size (mm): 245 × 175 × 58

Weight: Approximately 1.1 kg

Certifications: CE, UL, CSA

Firmware: Supports TDC3000 R500~R600+ system firmware

Interfaces and Configuration

Installation method: LCN rack standard slot (supports hot plugging)

Panel indicators: PWR, LCN A/B, RUN, FAULT, BATT, etc. LED status lights

Configuration method: Set LCN node address, network parameters, and redundancy mode through TPS system software

Redundancy support: Supports 1:1 hot backup, fault switching time < 150 ms

Core functions

LCN network controller: LCN network initialization, node management, data routing, bandwidth allocation

Global data processing: System control operation, historical data storage, alarm management, report generation

Memory management: 4MB high-speed memory scheduling, ensuring parallel processing of multiple tasks

Data backup protection: Built-in lithium battery, protecting memory data from loss in case of power failure

System diagnosis: Hardware self-check, LCN network failure, memory error alarm and log recording Application scenario

Adaptation system: Honeywell TDC 3000, TPS (LCN architecture)

Industry: Petrochemicals, thermal power, metallurgy, papermaking, pharmaceuticals, etc. process industries

Usage: LCN network core control, system computing center, data storage and backup

Installation: LCN standard rack, deployed in the same cabinet with LCN interface card and operation station

Compatibility and Accessories

Companion modules: LCN backplane, 51401xxx series LCN interface card, operation station keyboard / display

Alternative models: 51401946-200 (8MB memory enhanced version, suitable for large-scale systems)

Compatible firmware: TDC3000 R500, R550, R600, R610