HONEYWELL 51401088-100 | Communication Network Interface Board

Description

🔹 Product Introduction

The Honeywell 51401088-100 is a Communication Network Interface Board designed for use within Honeywell industrial control and process automation systems. It is identified as Rev D and is associated with Part Number 4-04-371-4778.

This board provides network interface functionality within compatible Honeywell control-system architectures and can be used as a replacement or maintenance spare for existing installations. The complete identification information should be matched before installation, especially the hardware revision, firmware version, and flash version.

The listed unit is identified with Firmware Version F and Flash Version E, providing additional information for replacement verification.

⚙️ Technical Datasheet

🧩 Key Features

• Honeywell Communication Network Interface Board
• MPN 51401088-100
• Part Number 4-04-371-4778
• Hardware Revision D
• Firmware Version F
• Flash Version E
• Suitable for compatible Honeywell control-system communication architectures
• Useful as a maintenance spare or replacement board
• Identification markings support accurate replacement matching

🔧 Installation & Replacement

Before installation, compare the existing board with the replacement unit carefully.

1. Confirm the MPN 51401088-100.
2. Confirm Part Number 4-04-371-4778.
3. Check that the hardware revision is Rev D.
4. Verify Firmware F and Flash E where required.
5. Record all cable and connector positions before removal.
6. Disconnect system power before replacing the board.
7. Use appropriate ESD protection when handling the PCB.
8. Install the board firmly in the correct position.
9. Reconnect all network and system connections.
10. Perform communication and system diagnostics after startup.

🛠️ Maintenance & Inspection

For long-term storage, keep the board in an ESD-safe package in a clean and dry environment.

Before installation, inspect the PCB for corrosion, damaged components, bent connectors, contamination, overheating marks, or mechanical damage. The identification label should also be checked to ensure that the MPN, revision, firmware, and flash information match the required replacement.

For legacy Honeywell systems, revision compatibility is important. A board with a similar appearance or function should not automatically be considered interchangeable.

❓ FAQ

Q1: What is the main function of the Honeywell 51401088-100?
A: It is a Communication Network Interface Board used within compatible Honeywell industrial control-system architectures.

Q2: What is the part number associated with this board?
A: The listed board carries Part Number 4-04-371-4778.

Q3: What hardware revision is this unit?
A: This specific unit is identified as Rev D.

Q4: What are the firmware and flash versions?
A: The listed configuration is Firmware F and Flash E.

Q5: Is this board suitable as a direct replacement?
A: Replacement suitability should be confirmed against the existing system configuration, board revision, firmware/flash information, connectors, and installation documentation.

Q6: What is the approximate weight?
A: The listed unit weighs approximately 1.440 kg.

Q7: What condition is the listed unit?
A: The referenced unit is listed as Used / Pre-Owned.

Q8: Should the board be tested before installation?
A: Yes. A controlled functional and communication test is recommended whenever suitable test equipment and system documentation are available.

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📋 Identification Summary

Honeywell 51401088-100
Communication Network Interface Board
Rev D
Part No. 4-04-371-4778
Firmware F
Flash E
Approx. Weight: 1.440 kg
Condition: Used / Pre-Owned