51400901-100 | Honeywell Enhanced CPU Processor Module

Product Overview

The Honeywell 51400901-100 is an EMPU CPU Board (Enhanced Main Processing Unit CPU) for the Honeywell TDC 3000 distributed control system. It serves as the primary processor for enhanced operator stations and advanced control nodes, delivering high-performance computation and LCN communication.

Key Specifications

• Manufacturer: Honeywell
• Part Number: 51400901-100
• Product Type: EMPU CPU / Processor Board
• System Compatibility: Honeywell TDC 3000, TPS
• Function: Enhanced main processing and LCN node control
• Also Known As: PWB, EMPU CPU

Applications

• Enhanced operator station processing
• Advanced process control computation
• LCN network node management
• High-performance DCS controller upgrades

FAQ

Q: What is the difference between EMPU and standard CPU modules?
A: The EMPU (Enhanced Main Processing Unit) offers higher processing capacity and expanded memory for demanding applications compared to standard CPU boards.

Q: Does this board include onboard memory?
A: The EMPU CPU typically works with companion memory boards such as the 51400910-100 EMEM for expanded storage capacity.

Q: Can this replace older WDC or MCPU modules?
A: It may be used in upgraded configurations, but verify software compatibility and chassis slot requirements with your system documentation.

Installation Guide

1. Ensure the chassis is powered off and ESD protection is active.
2. Remove the existing CPU board if upgrading.
3. Align the 51400901-100 EMPU board with the backplane connector.
4. Press firmly to seat the board and secure with retaining screws.
5. Install companion memory boards (e.g., EMEM) if required.
6. Power up and load the appropriate system firmware.

Selection Tips

• Verify your system software revision supports the EMPU processor.
• Pair with the 51400910-100 EMEM board for maximum performance.
• Check if your application requires the enhanced processing capabilities of EMPU vs. standard CPU.
• Document existing CPU configuration before replacement for easier restoration.