Description
The Woodward 5501-381 is a Triple Modular Redundant (TMR) power supply unit engineered specifically for the Woodward MicroNet Digital Control and 5009 turbine control platform. In field deployments across critical power generation and gas/steam turbine automation schemes, this module delivers regulated system power designed to support fault-tolerant architectures.
Technical Specifications
| Parameter | Value |
| Manufacturer | Woodward, Inc. |
| Product Series | MicroNet TMR / 5009 Control Platform |
| Part Number (MPN) | 5501-381 |
| Module Type | Triple Modular Redundant (TMR) Power Supply Unit |
| Input Voltage Range | High-voltage AC supply variant (typically supports standard industrial AC mains like 115/220 VAC configuration frameworks) |
| System Compatibility | Woodward MicroNet TMR and 5009 series controller chassis |
| Enclosure Protection | IP20 (intended for internal mounting within a protective industrial control cabinet rack) |
Supply Terms & Commercial Details
- Availability: Sourced through industrial automation surplus channels, specialized turbine control distributors, and legacy parts suppliers.
- Lead Time: In-stock hardware typically ships within 1 to 3 business days.
- Warranty: 12-month standard supplier replacement or repair warranty covering functional hardware defects.
- Condition: New Surplus, Factory Open Box, or Fully Tested Refurbished (verify specific packaging and test logs with your vendor prior to purchase).
- Pricing Note: Price subject to market conditions; contact us for a firm quote.
Engineering & Integration Guidance
When installing or replacing the 5501-381 module within a MicroNet TMR rack architecture, observe the following technical parameters:
- Input Power Verification: Confirm that incoming AC line voltages match the specific input rating of this variant to prevent internal switching circuit damage.
- Rack Power Safety: Completely de-energize the main system power distribution panel before inserting or extracting the module to prevent electrical arcing, backplane bus faults, or pin damage.
- Redundancy Configuration: In TMR systems, power supplies often operate in a load-sharing or redundant configuration. Ensure proper slot alignment and check diagnostic indicators to confirm successful integration with the redundant rail framework.
- Electrostatic Discharge (ESD) Handling: Use a grounded antistatic wrist strap and handle the module carefully by its faceplate and edges to prevent electrostatic breakdown.
Frequently Asked Questions
What system architecture utilizes the Woodward 5501-381?
This power supply module is built specifically for Woodward MicroNet TMR (Triple Modular Redundant) and 5009 series digital controller chassis deployed in critical gas/steam turbine and generator management systems.
Can this module be hot-swapped?
Standard MicroNet TMR maintenance procedures generally require proper system isolation protocols. Always follow OEM safety manuals and verify whether your specific rack configuration supports live module extraction before servicing.
What is the primary function of the TMR power supply unit?
It converts incoming facility power into regulated internal DC voltage rails required to drive the processor, communication, and I/O modules across the fault-tolerant MicroNet chassis.
