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The 5464-414 is a high-performance digital speed sensing module developed for the Woodward MicroNet control platform. This microprocessor-based module interfaces with magnetic pickups (MPUs) or active proximity probes to deliver...
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The 5464-414 is a high-performance digital speed sensing module developed for the Woodward MicroNet control platform. This microprocessor-based module interfaces with magnetic pickups (MPUs) or active proximity probes to deliver precise rotational speed measurements to the system CPU.
Designed for critical prime mover applications—including gas turbines, steam turbines, and large reciprocating engines—the 5464-414 uses advanced digital signal processing and high-resolution pulse counting to ensure accurate and stable RPM detection. Its onboard microprocessor performs independent signal validation and filtering, enhancing reliability in high-vibration and high-EMI industrial environments.
The module is housed in a rugged plug-in chassis format compatible with MicroNet Simplex and Triple Modular Redundant (TMR) systems. Software-configurable speed ranges and alarm setpoints allow flexible deployment for overspeed protection, governor control, and safety-instrumented functions.
| Parameter | Specification |
|---|---|
| Model Number | 5464-414 |
| Product Line | MicroNet Series |
| Function | Digital microprocessor-based speed sensing |
| Input Signal Type | Magnetic Pickup (MPU) or active proximity probe |
| Frequency Range | Up to 25 kHz+ (turbine applications) |
| Processing Method | Onboard microprocessor with digital filtering |
| Accuracy | High-resolution digital pulse counting |
| Mounting | MicroNet Simplex and TMR chassis compatible |
| Physical Dimensions | 2.6 cm × 24.8 cm × 26.2 cm |
| Weight | 0.96 kg |
The 5464-414 is widely used in:
Gas turbine speed monitoring
Steam turbine overspeed protection systems
Large reciprocating engine governor control
Combined-cycle power plants
Offshore oil and gas platforms
Safety Instrumented Systems (SIS) requiring redundant speed signals
It is especially suited for overspeed protection racks where independent, hardware-based RPM verification is required for safety compliance.
Can the 5464-414 detect low-speed conditions?
Yes. The digital microprocessor design allows accurate tracking of very low frequencies during turbine startup, turning gear operation, and coast-down phases, offering a wide dynamic measurement range.
Is the 5464-414 compatible with TMR systems?
Yes. The module supports MicroNet Triple Modular Redundant (TMR) configurations, enabling 2-out-of-3 voting logic for safety-critical speed monitoring applications.
