Description

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Technical Specifications

• Brand: Honeywell
• Model: 51403776-100
• Warranty: One Year
• Condition: 100% New & Original
• Communication: LCN (Local Control Network) interface
• Power Supply: 5.1 VDC from rack backplane
• Operating Temp: -40°C ~ +70°C
• Humidity: 5%–95% non-condensing
• Weight: 0.58 kg
• Compatibility: Honeywell TDC3000 / TPS system nodes
• Coating: Conformal coated PCB
• Indicators: Front LEDs for link active, transmit, receive and fault status
• Certifications: UL, cUL, CE
• Feature: Supports redundant LCN network connection, built-in communication diagnostics

3. Product Overview

The 51403776-100 is a rack-mounted LCN interface board for Honeywell legacy TDC3000 and TPS DCS systems. It connects station or controller nodes to the LCN backbone, exchanging real-time process data, alarms, trends and operator commands between all system nodes. Continuous on-board diagnostics detect cable faults, communication timeouts and hardware anomalies. The conformal coating protects the circuit board against moisture and dust in industrial control rooms. It is an obsolete critical spare part for maintaining existing TDC3000 and TPS installations in oil & gas, chemical, power and petrochemical plants.