The **LR5-302LENW-RYG** is a multi-stack signal tower (light tower) manufactured by **Patlite**. It is part of the LR5 series, designed for industrial automation to indicate machine status through visual and audible signals. --- ### 1. Technical Specifications The model name "LR5-302LENW-RYG" breaks down into specific electronic and physical characteristics: | Component | Specification | Description | | :--- | :--- | :--- | | **Series** | LR5 | 50mm diameter modular signal tower | | **Tiers** | 3 | Three light modules (Red, Amber, Green) | | **Voltage** | 24V DC | Standard industrial operating voltage | | **Mounting** | Direct Mount | Mounted via a threaded nut and cable gland | | **Connection** | Lead Wire | Pre-wired cable for electrical connection | | **Body Color** | Off-white | Aesthetic matching for industrial machinery | | **Protection** | IP65 | Dust-tight and protected against water jets | --- ### 2. Electronic Components & Operation The internal electronics of the LR5-302LENW-RYG are designed for high efficiency and longevity in harsh environments. #### A. LED Light Modules * **Technology:** High-brightness LEDs with a multi-surface internal lens design. * **Optics:** The "LE" designation refers to the specific lens shape that provides 360-degree uniform light distribution. * **Power Consumption:** Extremely low (approx. 0.04A per tier), allowing it to be driven directly by PLC (Programmable Logic Controller) transistor outputs. #### B. Wiring and Control The unit uses a **Common Wire** system (NPN/PNP compatible). * **Red Wire:** Activates Red LED tier. * **Orange Wire:** Activates Amber/Yellow LED tier. * **Green Wire:** Activates Green LED tier. * **Yellow/Gray Wires:** Typically reserved for the Buzzer (if equipped) or power supply common. #### C. Internal Protection * **Reverse Polarity Protection:** Prevents damage if the DC power leads are swapped. * **Vibration Resistance:** The internal circuit boards are secured to withstand the mechanical stress of industrial machinery. --- ### 3. Key Electronic Features 1. **Modular Design:** The electronic tiers are connected via a twist-and-lock mechanism with gold-plated pins to ensure reliable electrical contact and prevent oxidation. 2. **Environmentally Sealed:** The electronics are housed in an O-ring sealed polycarbonate body, making them resistant to oil, water, and dust. 3. **No Sound (N):** The "N" in the part number indicates this specific model does **not** include a buzzer/audio module; it is purely visual. ---