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Frequently inquire Together
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InquiryWoodward 5466-318 Triple Modular Redundancy Kernel Power Supply Module
Configured for fault-tolerant operation and core board power distribution in MicroNet TMR control platforms, the Woodward 5466-318 (5466-318 Kernel Power Supply Module) provides direct physical/electrical execution.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | 5466-318 |
| Brand | Woodward |
| Origin | United States |
| Weight | 0.85 kg |
| Dimensions | 114 mm x 89 mm x 38 mm (4.5 in x 3.5 in x 1.5 in) |
| Operating Temp | -20 to +60 deg C |
| Power Consumption | 24 VDC input (±10% voltage tolerance) |
| Output Voltage | 5 VDC regulated output (±5% accuracy) |
| Max Output Current | 10 A continuous |
| CPU Compatibility | Woodward TMR040 CPU Module |
| Status Indicator | 1x LED Panel Indicator (Power Supply Health) |
| Certifications | CE (EMC), CSA Class I, Div 2, Groups A, B, C, D |
Industrial Control and TMR Fault-Tolerant Power Distribution
Triple Modular Redundant (TMR) architectures rely on synchronized power delivery across independent processing channels to maintain 2-out-of-3 (2oo3) voting logic. The 5466-318 Kernel Power Supply converts 24 VDC system power into a tightly regulated 5 VDC voltage rail (10 A max) for the TMR040 CPU module. In addition to steady-state logic power, it generates a dedicated 5 VDC precharge voltage during system boot sequences, suppressing inrush current surges and protecting sensitive processing circuitry from voltage transients during live hot-swap insertions.
Frequently Asked Questions
Q: What is the purpose of the 5 VDC precharge voltage generated by the 5466-318 module?
A: The precharge voltage energizes internal decoupling capacitors prior to full backplane connection, preventing destructive arc discharge and voltage dips during hot-swapping or power-up sequences.
Q: Can the 5466-318 module be installed in hazardous location environments?
A: Yes. The module holds CSA certification for installation in Class I, Division 2, Groups A, B, C, and D hazardous areas as well as non-hazardous environments.
Field Installation Guidelines
- Shut down local chassis power or verify proper hot-swap procedures before inserting the power module into the MicroNet TMR chassis rack.
- Align the card edges with the designated rack guide slots, sliding the module smoothly until backplane multi-pin connectors fully mate.
- Tighten upper and lower front-panel retaining screws to establish solid chassis ground continuity and prevent vibration loosening.
- Apply 24 VDC supply power and verify that the front-panel Power Supply Health LED illuminates green, confirming stable 5 VDC output.
- Confirm that paired TMR040 CPU modules complete their self-diagnostic initialization without power fault alarms.
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