The **M2UDS-41-R/N** is a specialized electronic component, typically categorized as a **Magnetic Speed Sensor** or **Pulse Pickup Unit**, often used in industrial automation, engine monitoring, and tachometer systems. Below is a detailed breakdown of its specifications and electronic characteristics. --- ### 1. Technical Specifications The device is designed to detect the movement of gear teeth or metallic targets to generate an electrical signal. | Parameter | Specification Details | | :--- | :--- | | **Type** | Magnetic Pick-up (MPU) / Speed Sensor | | **Model Code** | M2UDS-41-R/N | | **Output Signal** | Pulse (Square wave or Sinusoidal depending on internal circuitry) | | **Connection Type** | Radial (R) / Connectorized (N) | | **Housing Material** | Stainless Steel or High-Grade Industrial Plastic | | **Operating Voltage** | Usually Passive (Self-powered via induction) or 10-30V DC (Active) | --- ### 2. Core Electronic Components The internal architecture of this part generally consists of three main stages: #### A. Sensing Element (The Coil) At the heart of the M2UDS is a permanent magnet wrapped in a fine copper wire coil. * **Mechanism:** As a ferrous object (like a gear tooth) passes through the magnetic field, it causes a flux change. * **Induction:** This change induces a voltage in the coil according to Faraday’s Law. #### B. Signal Conditioning Circuit The "UDS" series often implies a "Universal Digital Signal" or "Unitary Detection" capability. * **Amplifier:** Boosts the low-voltage signal generated by the coil. * **Schmitt Trigger:** Converts the raw analog sine wave into a clean digital pulse (Square Wave). This prevents false triggering due to noise. #### C. Output Stage * **NPN/PNP Transistor:** Often features an open-collector output to interface with PLCs (Programmable Logic Controllers) or digital counters. * **Protection:** Includes reverse polarity protection and surge protection to survive harsh industrial environments. --- ### 3. Wiring and Pinout Configuration While specific pinouts vary by manufacturer (often associated with brands like **M-System** or specialized engine part suppliers), the standard configuration follows this logic: | Pin/Wire Color | Function | Description | | :--- | :--- | :--- | | **Brown / Red** | VCC | Positive Power Supply (12V-24V DC) | | **Blue / Black** | GND | Common Ground (0V) | | **White / Yellow** | Signal Out | Pulse output for RPM calculation | --- ### 4. Typical Applications * **Engine RPM Monitoring:** Measuring the rotational speed of flywheels. * **Conveyor Belts:** Tracking line speed for synchronization. * **Flow Meters:** Detecting the rotation of internal turbine blades. ---