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5464-555 - MicroNet Speed Module is available in stock which ships the same day.
5464-555 - MicroNet Speed Module comes in UNUSED as well as REBUILT condition.
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SPECIFICATIONS:
Part Number: 5464-555
Manufacturer: Woodward
Series: MicroNet / MicroNet Plus Series
Product Type: High-Density Speed Module
Input Channels: 4 Independent Speed Channels
Sensor Support: Passive MPU / Active Proximity Probes
Control Backplane: VMEbus Architecture
Signal Isolation: Optical & Galvanic Isolation
Power Consumption: 7.5 W
Form Factor: VME Plug-In Card
Conformal Coating: Yes
Operating Temperature: -40°C to +85°C
System Compatibility: MicroNet & MicroNet Plus Platforms
Availability: In Stock
Repair Lead Time: 3–7 Days
Country of Origin: United States
The 5464-555 is a High-Density Speed Module designed and manufactured by Woodward for MicroNet and MicroNet Plus turbine control systems. Installed in the VME chassis, the card provides real-time rotational speed processing, rate-of-change calculation, and overspeed detection for industrial turbomachinery.
SPEED SIGNAL ACQUISITION & ACCELERATION PROCESSING:
The primary function of the 5464-555 is acquiring high-frequency speed pulse signals across multiple independent channels. Onboard counter-timer circuitry converts incoming transducer pulse streams into precise rotational velocity (RPM) and acceleration/deceleration metrics, transmitting the calculated data across the VME backplane to central CPU governor loops for dynamic load regulation.
TRANSDUCER INTERFACING & FREQUENCY MEASUREMENT:
The module interfaces with passive magnetic pickups (MPUs) and active proximity probes. Onboard digital processing continuously tracks pulse intervals across wide operating frequencies, delivering rapid response times required for turbine governing and transient load acceptance.
NOISE REJECTION & OVERSPEED SAFEGUARDING:
To prevent signal corruption in high-EMI industrial environments, each input channel includes active hardware filtering and optical isolation. The module evaluates tooth-pass timing and signal continuity to detect missing gear pulses or sensor failures, triggering immediate trip alarms or fail-safe protocols upon detecting overspeed conditions.
DIAGNOSTIC MONITORING & FAULT DETECTION:
Integrated diagnostic circuits continuously monitor sensor power rails, threshold voltages, and signal bounds. If open circuits, shorted transducer coils, or invalid acceleration spikes occur, the module flags channel faults over the backplane to activate redundant sensor paths or system protection sequences.
WHY BUY FROM WOC
World of Controls maintains the industry's largest inventory of genuine OEM replacement components exclusively for Woodward control systems and turbomachinery governors. To minimize critical plant downtime, we provide both UNUSED surplus and fully REBUILT circuit boards, field terminal modules, and driver cards—each backed by comprehensive warranty protection. Every reconditioned component, including the Woodward 5464-555, undergoes rigorous multi-point inspection, terminal continuity verification, and functional bench-testing by our experienced technical team before dispatch. In addition to direct parts supply, our facility offers complete diagnostic repair and unit exchange services with rapid turnaround times for your damaged Woodward hardware. Our dedicated team of automation specialists is available 24/7 to assist with technical selection, live stock verification, and emergency component sourcing for your control panels. Contact us today via phone or email to request pricing, confirm inventory, or arrange fast worldwide shipping.
What is the Woodward 5464-555?
The Woodward 5464-555 is a high-density speed processing module used in MicroNet and MicroNet Plus control platforms. It receives speed signals from compatible magnetic pickups and proximity probes, processes rotational speed information, and sends calculated data to the control system for turbine governing and protection functions.
How does the speed processing module process turbine speed signals?
The module measures incoming pulse signals from speed sensors and calculates rotational speed based on pulse frequency and timing. It can also monitor changes in speed to support acceleration and deceleration measurements required during turbine startup, loading, and shutdown sequences.
What speed sensors are compatible with the 5464-555?
The speed processing module is designed to interface with compatible passive magnetic pickup (MPU) sensors and active proximity probes. Proper sensor selection depends on the turbine application, signal characteristics, and MicroNet system configuration.
What happens if a speed signal is lost or becomes unstable?
The control system can identify abnormal speed signal conditions such as missing pulses, inconsistent frequency, or sensor-related faults. Depending on the configured protection logic, these conditions may generate diagnostic alarms, initiate signal redundancy, or contribute to turbine protective actions.
How can I troubleshoot a module speed channel that is not reading correctly?
Check the associated speed sensor, wiring, connectors, sensor gap, and incoming pulse signal before replacing the module. If the field signal is confirmed to be correct, inspect the corresponding channel diagnostics and backplane connections to determine whether the fault is associated with the module or another part of the control system.
How can I purchase a Woodward 5464-555 from WOC?
You can contact World of Controls to confirm current stock, condition, pricing, warranty, and shipping options. The speed processing module may be available as an UNUSED or REBUILT unit, with worldwide shipping support for urgent turbine control requirements.
