World Of Controls understands the criticality of your requirement and works towards reducing the lead time as much as possible.
5461-777 - MicroNet 24 VDC Input Power Supply Module is available in stock which ships the same day.
5461-777 - MicroNet 24 VDC Input Power Supply Module comes in UNUSED as well as REBUILT condition.
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TECHNICAL SPECIFICATIONS:
Part Number: 5461-777
Manufacturer: Woodward
Series: MicroNet
Module Type: Power Supply
Input Voltage: 18-32 VDC (24 VDC Nominal)
Output Power: 120 Watts
Maximum Input Current: 10 Amps
Isolation: 500 Vdc
Operating Temperature: -30 �C to +65 �C
Storage Temperature: -40 �C to +85 �C
Holdup Time: 5 ms at 24 VDC input
Availability: In Stock
Origin: United States
FUNCTIONAL DESCRIPTION:
The 5461-777 is a high-efficiency DC-to-DC Power Supply Module designed and manufactured for the Woodward MicroNet control system. It serves as the primary energy conversion unit for the chassis, converting a 24 VDC plant source into the regulated voltages required by the MicroNet backplane. This module is essential for powering the CPUs, I/O modules, and communication cards that drive critical turbine and engine control processes.
VOLTAGE REGULATION AND BACKPLANE INTERFACE
Low-noise power distribution across the MicroNet backplane. It features advanced switching regulators that maintain precise voltage levels even when the input plant DC fluctuates between 18 and 32 VDC. This stability is vital for preventing digital logic errors and ensuring the accuracy of high-resolution analog-to-digital converters within the control rack.
REDUNDANCY AND SYSTEM RELIABILITY
The Input Power Supply Module is used in a redundant setup. The module is designed to load-share with a second power supply, ensuring that if one unit fails, the other can take over the full load without interrupting system operation. This bumpless transfer capability is a cornerstone of Woodward's high-availability architecture, protecting against power-related downtime in mission-critical applications.
THERMAL MANAGEMENT AND DIAGNOSTICS
Designed for continuous industrial use, the Input Power Supply Module utilizes a specialized heat sink design to manage thermal loads through passive convection. It includes integrated monitoring circuits that track the health of inputs and outputs. If a fault is detected, such as an under-voltage condition or internal component failure, the module communicates a status signal to the MicroNet CPU, allowing for immediate operator notification and proactive maintenance.
WHY BUY FROM WOC:
World of Controls supports the long-term operation of your Woodward assets by providing the 5461-777 in both UNUSED and REBUILT conditions. Each power supply undergoes rigorous load testing on specialized MicroNet test benches to verify efficiency, ripple suppression, and redundancy performance. We maintain a significant stock of Woodward power modules to ensure rapid deployment during emergency outages. Backed by our global distribution network and expert technical team, we provide the reliable power solutions your critical control systems demand.
What is the Woodward 5461-777?
It is a 24 VDC input Power Supply Module for the Woodward MicroNet system. It converts external 24 VDC power into the regulated internal voltages needed to operate the various modules within the MicroNet chassis.
How does the 5461-777 handle input voltage fluctuations in a DC plant system?
The module is designed with a wide input range of 18 to 32 VDC. It uses high-frequency switching technology to filter out input noise and maintain a constant output, ensuring that the control system remains stable even if the battery chargers or DC bus experience transients.
What is the significance of the 5 ms holdup time?
The 5 ms holdup time ensures that the control system can ride through very brief power interruptions or dips without resetting. This provides enough time for redundant power supplies to respond or for the system to initiate safe shutdown procedures if power is completely lost.
Can the Input Power Supply Module be used alongside an AC input power supply in the same rack?
Yes, the MicroNet architecture allows for mixed power supply types. You can use an Input Power Supply Module (DC input) in parallel with an AC input supply to provide power source diversity, further increasing the system's resilience against a total loss of one power type.
