Honeywell 51309401-004 MCU Output Board Module

Description:

The Honeywell 51309401-004 MCU Output Board is used in distributed control systems (DCS) to provide output signal processing and control functions for field devices and process equipment. Commonly installed in Honeywell process automation systems used in chemical plants, refineries, power generation facilities, and industrial manufacturing environments. Maintenance teams and system integrators use this board for control system repairs, I/O upgrades, and replacement of failed or obsolete output modules.

Applications:

The Honeywell 51309401-004 MCU Output Board is designed for use in Honeywell distributed control systems where reliable output communication with actuators, relays, and field devices is required. It is commonly found in process control applications such as chemical processing, oil and gas production, power plants, and industrial manufacturing facilities. The board operates as part of the controller architecture, providing output interfacing and control functions necessary for automated process operation. Publicly available documentation for this specific part number is limited.

Technical Specifications:

• Manufacturer Part Number (MPN): 51309401-004
• Product Type: MCU Output Board
• Brand: Honeywell
• Board Type: Printed Circuit Board (PCB) Assembly
• Function: Output Signal Processing and Control
• Application: Distributed Control Systems (DCS)
• Compatible Systems: Honeywell Process Automation Systems
• Mounting Type: Rack / Chassis Mounted
• Construction: Electronic PCB Assembly
• Industry Applications: Chemical Processing, Oil & Gas, Power Generation, Manufacturing
• Compatible Devices: Actuators, Relays, and Field Output Devices
• Status: Legacy Product with Limited Public Documentation
• Replacement Availability: Used and Refurbished Units May Be Available

Common Replacements:

• Honeywell 51309401-100 Output Module
• Honeywell 51304511-200 I/O Module
• Honeywell 51303940-250 Control Board