Description
- The Woodward 5501-502 is a high-reliability power supply module designed for use within the MicroNet TMR (Triple Modular Redundant) and MicroNet Simplex control systems. This module is engineered to provide stable, filtered DC power to the system’s backplane, ensuring that critical control processors and I/O modules remain operational in demanding industrial environments such as power generation and mechanical drive applications.
Product Specifications
- Model Number: 5501-502
- Manufacturer: Woodward
- Input Voltage Range: 18–36 VDC (24 VDC Nominal)
- Output Power: Specifically rated for MicroNet chassis requirements
- Redundancy: Supports TMR configurations for high-availability requirements
- Operating Temperature: -20°C to +70°C
- Status Indicators: Front-panel LEDs for “Power OK” and “Fault” diagnostics
- Dimensions: Standard MicroNet plug-in module width
- Weight: 1.8 kg (3.97 lbs)
- Country of Origin: USA
Application Fields
The 5501-502 is a foundational component for Woodward’s most robust control platforms. It is primarily found in:
- Critical steam turbine control systems requiring TMR architecture.
- Gas turbine fuel control and sequencing.
- Large-scale industrial engine management.
- Compressor surge control and station management in oil and gas facilities.
Usage Instructions
When installing the Woodward 5501-502, ensure the MicroNet chassis is properly grounded to the cabinet frame. The module is hot-swappable in most TMR configurations, allowing for maintenance without shutting down the entire system. Insert the module into the designated power supply slot and secure the top and bottom thumb screws to ensure a solid connection to the backplane. Always verify that the input DC voltage is within the 18–36 VDC range before switching on the primary power source to prevent internal fuse damage.
Frequently Asked Questions (Q&A)
Q: Can I mix this 24 VDC module with an AC power supply module in the same chassis? A: Yes, the MicroNet TMR chassis is designed to support redundant power inputs. You can use a 5501-502 (DC) alongside an AC-input power supply to provide power source diversity.
Q: What do the front panel LEDs indicate? A: A green LED typically indicates that the output voltages are within the acceptable range. A red or amber LED indicates a fault condition, such as an internal failure or an input voltage drop.
Q: Is there any periodic maintenance required for this module? A: While the module is solid-state, it is recommended to periodically check the tightness of the mounting screws and ensure that the ventilation paths in the chassis remain unobstructed by dust.
Related Model Recommendations
- Woodward 5501-467 (MicroNet Power Supply)
- Woodward 5466-316 (MicroNet CPU Module)
- Woodward 5464-834 (MicroNet I/O Module)
- Woodward 9907-147 (2301D Digital Load Sharing)
- Woodward 5466-253 (MicroNet Main Power Supply)
