Model Explanation

• 51196728: Base part number for TDC3000 dual‑node file controller

• ‑100: Standard revision (factory default, basic I/O and storage config)

Technical Parameters

• Device Type: Redundant dual‑node processor + file storage module

• Compatibility: Honeywell TDC3000 / TPS Distributed Control System

• Processor: 32‑bit industrial CPU (dual core, 1:1 hot standby)

• Memory: On‑board RAM + non‑volatile flash (system/program storage)

• Storage: Integrated hard disk (for system databases, history, logs)

• Redundancy: Hot standby, automatic failover < 500 ms

• Communication: LCN (Local Control Network) interface

• Operating Temp: 0 °C to +60 °C

• Humidity: 5%–95%, non‑condensing

• Dimensions (W×H×D): 19” rack‑mount, approx. 483 mm × 260 mm × 80 mm

• Weight: Approx. 13 kg

• Certifications: CE, UL, CSA

• MTBF: > 100,000 hours (24/7 industrial operation)

Interface & Communication Configuration

• LCN Port: Connects to TDC3000 LCN (control network)

• Redundancy Link: Internal high‑speed sync between dual nodes

• Status LEDs: Power, Run, Fault, Sync, LCN Activity (front panel)

• Expansion: Optional I/O or communication slots (system‑dependent)

Core Functions

• Redundant Control & Storage: Dual‑node design with integrated file storage for zero‑downtime operation

• System Database Hosting: Stores TDC3000 configuration, control programs, and historical data

• Real‑Time Processing: Executes control loops, logic, and data acquisition

• LCN Network Communication: Interfaces with GUS, controllers, and I/O nodes

• Hot Standby Failover: Seamless switch to standby node during primary failure

Application Scope

• Honeywell TDC3000/TPS DCS (core redundant controller + file node)

• Critical process industries: power, oil & gas, refining, chemical, petrochemical

• Plants requiring 99.999% uptime and integrated system storage

• 19” rack‑mounted control rooms with LCN infrastructure

Operation & Maintenance Instructions

• Install in standard 19” rack; ensure front/rear ventilation

• Connect LCN cable and redundancy sync cable before power‑on

• Check LEDs: “Run” solid = normal; “Fault” blinking = diagnostics required

• Maintain ambient temp < 60 °C; avoid moisture and direct heat

• Replace only with Honeywell‑certified 51196728‑100 modules