The **W2PA-5CC-R2/CE** is a specialized electronic component commonly used in industrial automation and sensing applications. Based on its nomenclature, it belongs to the category of **Inductive Proximity Sensors** (specifically within the square/flat head series often manufactured by brands like Autonics or similar industrial providers). --- ## 1. Technical Specifications Below are the primary electronic and physical characteristics of this part: | Characteristic | Specification | | :--- | :--- | | **Sensing Type** | Inductive (Detects metallic objects) | | **Sensing Distance** | 5 mm | | **Sensing Side** | Top/Front Sensing | | **Output Type** | PNP Normally Open (NO) | | **Supply Voltage** | 12 - 24V DC | | **Wire Type** | 3-wire DC type | | **Frequency** | 500 Hz | | **Protection Rating** | IP67 (Dust tight and water immersion) | | **Certification** | CE (European Conformity) | --- ## 2. Pinout and Wiring Configuration As a 3-wire DC PNP sensor, the wiring follows standard industrial color codes: ```text Brown (+) : Positive Power Supply (12-24VDC) Blue (-) : Negative Power Supply (0V/GND) Black (Out): Load / Signal Output (PNP - Switched Positive) ``` ### Circuit Operation * **Target Absent:** The output (Black wire) is in a high-impedance state (open). * **Target Present:** The sensor completes the circuit, sending the positive supply voltage to the Load. --- ## 3. Key Electronic Features * **Integrated Protection:** Most R2/CE models include built-in surge protection, reverse polarity protection, and overcurrent protection to prevent damage to the PLC or controller. * **LED Indicator:** A red LED is typically integrated into the housing to indicate the detection status (ON when the target is within 5mm). * **Noise Resistance:** Designed with specialized ICs to minimize interference from nearby electrical noise (EMI/RFI). --- ## 4. Common Applications 1. **Positioning:** Checking if a machine arm has reached its limit. 2. **Counting:** Detecting metal parts on a conveyor belt. 3. **Speed Detection:** Sensing the teeth of a gear to calculate RPM. 4. **Safety Interlocks:** Ensuring a metal guard is closed before a machine starts.