51400668-100 Honeywell TDC 3000 WDC 20 Controller Module

Product Overview

The Honeywell 51400668-100 is a WDC 20 Controller Module / PC Controller Module Board designed for the Honeywell TDC 3000 distributed control system. It provides high-speed control logic execution and network communication for demanding industrial process environments.

Key Specifications

• Manufacturer: Honeywell
• Part Number: 51400668-100
• Product Type: WDC 20 Controller / PC Controller Module
• System Compatibility: Honeywell TDC 3000, TPS
• Operating Voltage: 24 V DC
• Communication: Honeywell Local Control Network (LCN)
• Processor: High-performance CPU for real-time control
• Memory: 32 MB RAM, 64 MB Flash Storage
• Dimensions: 120 × 80 × 60 mm (4.7 × 3.1 × 2.4 in)
• Weight: 1.98 lbs
• Operating Temperature: 0°C to 50°C (32°F to 122°F)

Applications

• Real-time process control in chemical plants and refineries
• Power generation facility automation
• Legacy Honeywell DCS logic execution and network nodes

FAQ

Q: Can this module replace a rack chassis or fan assembly?
A: No. The 51400668-100 is a dedicated controller module for logic execution and LCN communication. Chassis and cooling components are separate.

Q: What environments is it suitable for?
A: It is designed for industrial conditions including high-temperature and vibration-tolerant applications. Ensure proper voltage supply and cabinet cooling.

Q: Are there similar modules for comparison?
A: Comparable modules include the 51400667-100 LCN Interface Board and 51400901-100 EMPU CPU. Each serves a distinct role in the DCS architecture.

Installation Guide

1. Verify chassis power is off and ESD precautions are in place.
2. Align the module with the backplane connector in the designated controller slot.
3. Apply even pressure to seat the module fully.
4. Secure with retaining screws and connect any required LCN cables.
5. Apply power and monitor the controller status LEDs for normal operation.

Selection Tips

• Confirm your application requires WDC-level processing; for enhanced performance consider the EMPU (51400901-100).
• Ensure adequate cabinet ventilation to prevent thermal throttling.
• Verify LCN node address configuration before installation.
• Keep a spare controller on-site for critical process loops.