## F2SP-3-R: Electronic Parts & Technical Overview The **F2SP-3-R** refers to a high-speed, high-resolution **Photoelectric Displacement Sensor** (often part of a laser displacement measurement system) manufactured by companies like **OPTEX FA**. These sensors are used for non-contact measurement of height, thickness, and position. Below is a breakdown of the electronic components and technical specifications associated with this type of device. --- ### 1. Core Electronic Components The device operates using an integrated opto-electronic system. The internal circuitry consists of four main functional blocks: | Component Type | Function | Details | | :--- | :--- | :--- | | **Laser Diode (Emitter)** | Light Source | Typically a Red Semi-conductor laser (Class 2). | | **CMOS / PSD Array** | Receiver | A high-sensitivity Complementary Metal-Oxide-Semiconductor (CMOS) linear image sensor that detects the reflected light position. | | **DSP / MCU** | Processing | A Digital Signal Processor or Microcontroller that calculates the distance based on the light's incident angle (Triangulation). | | **I/O Interface** | Communication | Output circuits for Analog (4-20mA or 0-10V) and Digital (NPN/PNP) signals. | --- ### 2. Technical Specifications (F2SP Series) The electronic performance of the F2SP-3-R is defined by its accuracy and speed. * **Measurement Method:** Laser Triangulation. * **Light Source:** Red Laser (Wavelength approx. 650nm-655nm). * **Operating Voltage:** 12 to 24V DC (±10% ripple). * **Current Consumption:** Typically less than 100mA. * **Response Time:** Often selectable between 0.5ms to 5ms depending on the required precision. --- ### 3. Wiring and Pin Configuration The F2SP-3-R usually utilizes a standard industrial color-coded cable for its electronic interface: | Wire Color | Signal Name | Description | | :--- | :--- | :--- | | **Brown** | +V (Brown) | Power Supply (12-24V DC). | | **Blue** | 0V (Blue) | Ground / Common. | | **Black** | Control Output | NPN or PNP digital output (depends on model). | | **White** | Analog Output | Voltage or Current signal representing distance. | | **Pink** | External Input | Used for remote zeroing (Reset/Laser Off). | --- ### 4. Detection Principle (Electronic Triangulation) 1. **Emission:** The **Laser Diode** emits a beam onto the target surface. 2. **Reflection:** The light reflects off the target and passes through the receiver lens. 3. **Positioning:** The light hits a specific point on the **CMOS Image Sensor**. 4. **Conversion:** As the target moves closer or further, the spot on the CMOS sensor shifts. The **MCU** converts this physical shift into a precise voltage or current value. ---