The **F2AP-H2-R/Q** is a specific model within a series of industrial sensors, most likely belonging to the **Photoelectric Sensor** family (often associated with brands like Panasonic/Sunx or similar industrial automation providers). Below is a breakdown of its electronic components, technical specifications, and wiring structure. --- ### 1. Technical Specifications This device is designed for precision detection in automated environments. The "R/Q" suffix usually denotes specific output types or connector variations. | Feature | Specification | | :--- | :--- | | **Sensor Type** | Photoelectric (Through-beam or Reflective) | | **Supply Voltage** | 12 to 24V DC (±10% ripple) | | **Current Consumption** | ~15mA to 30mA (varies by mode) | | **Output Type** | NPN or PNP Open Collector (depending on R/Q configuration) | | **Response Time** | Typically < 1ms | | **Operation Mode** | Light-ON / Dark-ON (Selectable) | | **Indicator** | Red LED (Operation), Green LED (Stability) | --- ### 2. Core Electronic Components The internal circuitry of the F2AP-H2-R/Q consists of three primary stages: #### A. The Emitter Stage * **LED Diode:** Usually an Infrared or Visible Red LED that pulses at a high frequency to distinguish its signal from ambient light. * **Oscillator Circuit:** Controls the pulse frequency of the LED to ensure energy efficiency and interference rejection. #### B. The Receiver Stage * **Photodiode/Phototransistor:** Captures the incoming light and converts it into a small electrical current. * **Amplifier & Filter:** The signal is amplified and passed through a band-pass filter to remove "noise" from room lighting or welding sparks. * **Schmitt Trigger:** A comparator circuit that decides if the signal strength is high enough to trigger a logical "ON" state. #### C. The Output Stage * **Transistor Switch:** An NPN or PNP transistor acts as the physical switch for the external load (e.g., a PLC input or a relay). * **Short-circuit Protection:** Integrated protection to prevent the sensor from burning out if the output is wired incorrectly. --- ### 3. Wiring Diagram (Standard 3-Wire) The "R/Q" variants typically follow standard industrial color coding for their electronic leads: | Wire Color | Function | Description | | :--- | :--- | :--- | | **Brown** | +V | Positive Power Supply (12-24V DC) | | **Blue** | 0V | Ground / Negative | | **Black** | Output | Control Signal to PLC/Load | --- ### 4. Key Applications * **Positioning:** Detecting the presence of a part on a conveyor belt. * **Counting:** High-speed counting of electronic components. * **Level Sensing:** Checking if a container is full or empty using light refraction/reflection.