5439-730 - NetCon Power Supply

5439-730 - NetCon Power Supply 5439-730 - NetCon Power Supply

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Part Number: 5439-730
Manufacturer: Woodward
Product type: NetCon Power Supply
Repair: 3-7 Days
Availability: In Stock
Country of Manufacture: United States (USA)

Functional Description

5439-730 is a NetCon Power Supply developed by Woodward. The MicroNet TMR main control power supply chassis is built with a cutting-edge design that incorporates a critical element of redundancy in its power supply configuration. This redundancy is essential for maintaining uninterrupted and reliable operation, particularly in applications where downtime can lead to substantial consequences. At the core of this redundant power system is a motherboard situated on the rear of the power supply chassis. This motherboard facilitates the seamless collaboration of two distinct power supplies. Through their orchestrated efforts, these power supplies establish a highly efficient and dependable redundant power system that is capable of providing consistent power to the control components.

Product Attributes

  • The redundancy lies in its ability to ensure continuous operation even in the event of a single power supply failure. Should one power supply experience a malfunction or disruption, the other seamlessly takes over the load without any interruption. This redundancy significantly enhances the reliability and availability of the control system, reducing the risk of downtime and the subsequent negative impacts on productivity, safety, and operational continuity.
  • Within this redundant power system, a total of six separate, regulated 24 Vdc outputs are generated. Each output is capable of delivering up to 6 A of power to the control components. These individually regulated outputs provide stable and consistent voltage levels, ensuring that the connected control devices receive the precise power they require for optimal performance.
  • This sophisticated power supply configuration not only reinforces the overall dependability of the MicroNet TMR main control system but also exemplifies its commitment to operational excellence. By integrating redundant power supplies and a motherboard that orchestrates their cooperation, the system effectively addresses the potential vulnerabilities associated with power disruptions. This level of resilience translates into enhanced uptime, improved system integrity, and the ability to maintain critical operations even in challenging conditions.


  • Disconnect Power: Before initiating any installation procedures, it is absolutely crucial to disconnect the power supply to the equipment. This precautionary step eliminates the risk of electrical hazards and ensures a safe working environment.
  • Check Connector Pins and Alignment: Prior to installation, thoroughly examine all pins within the module connectors. Confirm that they are parallel and straight, without any signs of damage or misalignment. This inspection helps to ensure that the connection will be secure and reliable.
  • Align and Insert the New Power Supply: Begin the installation process by aligning the edges of the new power supply's circuit board with the designated card guides or slots. Precise alignment is essential for seamless integration. With the edges aligned, gently push the power supply unit into the slots. Ensure that the connectors on the modules and the connectors on the motherboard establish solid contact. A firm, yet controlled push is necessary to properly seat the unit.
  • Secure the Power Supply Unit: With the power supply unit inserted into the slots, exert even pressure at both the top and bottom of the unit's front panel. This helps ensure that the unit is evenly seated and snugly fitted. Alternatively, if available, utilize the designated extraction handle to apply controlled force while pushing the unit into its final position. This handle provides leverage fa secure installation.
  • Tighten the Securing Screws: Once the power supply unit is securely in place, proceed to tighten the screws that are specifically intended to secure the module. These screws play a vital role in anchoring the unit and preventing any unwanted movement or dislodging.


  • Main Power Supplies and Safe Installation/Removal: The MicroNet TMR (Triple Modular Redundant) system is a sophisticated piece of equipment that requires careful handling, particularly when it comes to its main power supplies. It's crucial to ensure the safety of both personnel and the equipment itself. Therefore, it's stated that the input power to the main supplies must be disconnected prior to any installation or removal activities. This precaution is taken to prevent any electrical shocks, potential damage, or hazardous situations that could arise from accidental contact with live power sources. By adhering to this instruction, technicians can significantly reduce the risk of accidents and protect the equipment's functionality.
  • Equipment Suitability and Location: The provided information outlines the suitable usage environments for the MicroNet TMR equipment. This equipment is intended for use in Class I, Division 2, Groups A, B, C, and D locations or in non-hazardous locations. This classification pertains to the classification of hazardous areas based on the presence of flammable gases, vapors, or liquids. When deploying this equipment, it's important to ensure that it's installed only in the specified environment. This ensures that the equipment's design and components are in line with the requirements of the intended usage scenario, thus maintaining safety and preventing potential malfunctions or hazards.
  • Wiring Standards and Authority Guidelines: The wiring of the MicroNet TMR equipment is subject to specific standards and regulations. The instruction states that wiring must adhere to Class I, Division 2 wiring methods. These methods are designed to mitigate the risks associated with electrical wiring in hazardous environments. Compliance with these methods ensures that wiring is properly insulated and protected to prevent electrical faults and sparks that could ignite flammable substances in the atmosphere. Additionally, wiring should also comply with the regulations set by the authority having jurisdiction, which could refer to local regulatory bodies or standards organizations. Adhering to these standards ensures that the equipment is installed in a safe and compliant manner.

World of Controls has the most comprehensive selection of GE and Woodward components. Our professionals are available to help you with your requirements at any time. If you require any additional information, please contact WOC immediately.

Frequently Asked Questions

What is 5439-730?
It is a NetCon Power Supply developed by Woodward.

What is the purpose of the 50-pin ribbon cable in the system?
50-pin ribbon cable serves as a crucial conduit for connecting the power supply chassis to the control chassis within the setup. This cable facilitates the transmission of power and signals between the two chassis, enabling seamless communication and power distribution throughout the control system.

Where is the ribbon cable connected in the TMR Main Chassis?
The ribbon cable connects to a specific connector situated at the back underside of the TMR Main Chassis. This connection point is strategically placed to ensure efficient routing and a secure attachment of the ribbon cable to the main chassis.

Can you provide more information about the connectors beneath the A and C Kernels?
Certainly. The TMR Main Chassis features connectors beneath both the A and C Kernels, and either of these connectors can be used for the ribbon cable connection. The flexibility to choose either connector allows for optimal customization and configuration based on specific system requirements.