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5441-409 - 4-channel Speed Sensor Module is available in stock which ships the same day.
5441-409 - 4-channel Speed Sensor Module comes in UNUSED as well as REBUILT condition.
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TECHNICAL SPECIFICATIONS:
Part Number: 5441-409
Manufacturer: Woodward
Series: MicroNet
Module Type: Speed Sensor
Number of Channels: 4 Channels
Input Type: Magnetic Pickup (MPU) or Proximity Probe
Frequency Range: 1 Hz to 25 kHz
Input Voltage Range: 1.0 to 25.0 Vrms
Accuracy: 0.01% of full scale
Isolation: 500 Vdc
Operating Temp: -30 °C to +65 °C
Availability: In Stock
Origin: United States
FUNCTIONAL DESCRIPTION:
The 5441-409 is a 4-Channel Speed Sensor Module designed and manufactured for the Woodward MicroNet control systems. It serves as a vital frequency-to-digital interface, accurately measuring the rotational speed of turbines, engines, and other prime movers. Converting raw pulses from magnetic pickups or proximity sensors into high-resolution digital data, it provides the precise feedback necessary for governor control and overspeed protection logic.
PRECISION FREQUENCY ACQUISITION
Each of the four channels on the Speed Sensor Module is designed to handle independent speed inputs, allowing for redundant sensing configurations. The module utilizes high-speed counters to capture the time interval between pulses, ensuring exceptional accuracy even at very low speeds. This capability is critical for synchronized startup sequences and maintaining steady-state stability during high-load operations.
SIGNAL CONDITIONING AND NOISE IMMUNITY
The speed signals are often subject to electromagnetic interference. The Speed Sensor Module incorporates advanced filtering and signal conditioning circuitry to eliminate false triggers caused by electrical noise. With 500 Vdc isolation, the module protects the central processing unit from transients and ground loops, ensuring that the control system receives a clean, reliable representation of the machine speed at all times.
REAL-TIME DIAGNOSTICS AND HEALTH MONITORING
The module is equipped with continuous self-test features that monitor the integrity of the sensor loops. It can detect open circuits, short circuits, and abnormal signal levels, immediately flagging a fault to the MicroNet CPU. This proactive monitoring allows maintenance teams to identify sensor failures before they result in a system trip, enhancing the overall reliability and availability of the power generation or mechanical drive unit.
WHY BUY FROM WOC:
World of Controls supports the MicroNet community by providing the 5441-409 in both UNUSED and REBUILT conditions. Our technical team subjects every module to rigorous simulation testing, verifying frequency response and diagnostic accuracy across all four channels. We maintain a robust inventory of Woodward MicroNet components to ensure quick turnaround times for critical repairs. With global logistics and dedicated technical support, WOC is your trusted partner for maintaining the high-speed precision required by your Woodward control assets.
What is the Woodward 5441-409?
The 5441-409 is a 4-channel Speed Sensor Module designed for the Woodward MicroNet system. It functions as a frequency-to-digital converter that translates speed signals from prime movers into high-precision data for the system's processors, facilitating accurate governing and overspeed protection.
Can the Speed Sensor Module detect a failed speed sensor?
Yes, the module has built-in diagnostics that monitor the input signal. If a sensor fails or the wiring is disconnected, the module will detect the loss of signal and trigger a channel fault alarm within the control software.
What is the difference between an MPU and a Proximity Probe input on this module?
An MPU (Magnetic Pickup) generates a voltage based on a changing magnetic field, typically from gear teeth. A proximity probe provides a cleaner pulse but often requires an external power source. The Speed Sensor Module is designed to interface with both types, provided the signal levels fall within the specified voltage and frequency range.
Does the Speed Sensor Module support hot-swapping?
It is designed for the MicroNet chassis, which supports hot-swapping of I/O modules. However, you should always consult your specific system configuration and safety protocols before removing a module from a live control system to avoid unintended trips.
