Description
The Woodward 5466-318 is a specialized Kernel Power Supply module designed for the MicroNet TMR (Triple Modular Redundancy) digital control system. It is engineered to accept an incoming 24 V DC supply and regulate it to deliver a reliable 5 V DC output at up to 10 A for core kernel components, ensuring high availability and secure system startup behavior.
- Brand: Woodward
- Model / Part Number: 5466-318
- Series: MicroNet TMR Digital Control Series
- Product Name: Kernel Power Supply Module (Kernel PS)
- Country of Origin: United States
- Manufacturing Status: Industrial Automation Spare / Active Support Line
- Input Voltage: 24 V DC (±10%)
- Output Voltage: 5 V DC (±5%)
- Maximum Output Current: 10 A
- Physical Placement: Installed in the first module slot from the left in each sub-chassis (kernel), typically paired directly with the TMR040 CPU module in the adjacent slot to the right
- Weight: Approx. 1.0 kg
🚀 First-Run Inspection Checklist
- 📦 Packaging Verification: Inspect the anti-static packaging and protective shipping container to confirm zero transit damage.
- 🏷️ Label Confirmation: Verify that the part number
5466-318matches your system configuration drawings and engineering documentation. - 🔍 Visual Examination: Check front-panel indicators, connector pins, and housing integrity for any physical wear or debris.
- 🔩 Slot Alignment: Ensure the correct sub-chassis slot (first slot from the left) is clean and unobstructed prior to module insertion.
🛠️ Routine Maintenance
- 🧹 Dust Prevention: Keep control cabinets clean and free of particulate buildup using dry, oil-free compressed air during routine shutdowns.
- 🔌 Connection Audit: Periodically check backplane interface pins and input power connections for secure contact.
- 🌡️ Thermal Monitoring: Ensure that the surrounding control panel or turbine enclosure ventilation maintains operating temperatures within safety limits.
- 🔄 Status Health Checks: Observe the onboard power supply health status LED indicator regularly to verify normal operating voltages.
🔍 Troubleshooting & Common Issues
- ❓ Module Fails to Power On: Measure incoming 24 V DC input voltage at the supply terminals to confirm stability and correct polarity.
- ⚠️ Health LED Off / Fault State: Check whether the module is fully seated in its designated slot or if an overload condition has tripped internal protection circuits.
- 📉 Output Voltage Instability: Inspect upstream power distribution modules feeding the MicroNet TMR chassis.
⚠️ Safety Precautions
- ⚡ Power Isolation: Always disconnect and lock out main DC power before installing, removing, or servicing MicroNet TMR kernel modules.
- 🧰 Qualified Engineers: Installation, replacement, and configuration must be performed exclusively by certified control system technicians familiar with Woodward architecture.
- 🛡️ Electrostatic Discharge (ESD): Always wear a properly grounded ESD wrist strap when handling the module to protect internal circuitry.
💡 Frequently Asked Questions (Q&A)
- Q: What is the primary function of the Woodward 5466-318 module?
- A: It serves as a kernel power supply within MicroNet TMR systems, stepping down and regulating 24 V DC to provide a stable 5 V DC feed for critical kernel logic components.
- Q: Where must this module be placed inside the chassis?
- A: It must be installed in the first module slot from the left of the sub-chassis, with the kernel CPU module placed immediately in the next slot to the right.



