The **ALV-C24-R/Q** is a specific model within the series of industrial automation components, typically associated with **IDEC** or similar manufacturers specializing in signaling and pilot devices. This model specifically refers to a **LED Illuminated Indicator/Pilot Light**. Below is a breakdown of its electronic parts and specifications. --- ### 1. Key Technical Specifications The alphanumeric code describes the physical and electrical characteristics of the component: | Component Attribute | Specification Details | | :--- | :--- | | **Series** | ALV (Standard 22mm Diameter Series) | | **Shape** | C (Square / Flush Silhouette) | | **Operating Voltage** | 24 (24V AC/DC) | | **Illumination Type** | LED (Light Emitting Diode) | | **Lens Color** | R/Q (Red / Amber variations or specific color coding) | | **Mounting Hole** | 22mm | --- ### 2. Electronic Parts Breakdown The unit consists of several integrated sub-assemblies that work together to provide visual feedback in a control panel: #### A. The LED Module Unlike traditional incandescent bulbs, this part uses a high-brightness LED chip. - **Efficiency:** Consumes significantly less current (typically 10-20mA). - **Longevity:** Rated for approximately 50,000 to 100,000 hours of operation. #### B. Internal Current-Limiting Resistor To prevent the LED from burning out when connected to a 24V source, a resistor is integrated into the housing. This drops the voltage to the level required by the LED diode. #### C. Protection Diode (Bridge Rectifier) Since the unit is rated for **AC/DC**, it contains a small internal bridge rectifier or a protection diode. This allows the part to function regardless of the polarity of the DC wiring and protects against AC cycle fluctuations. #### D. Terminal Block - **Screw Terminals:** Usually features IP20 finger-safe screw terminals. - **Material:** Brass or silver-plated contacts to ensure low resistance and prevent oxidation. #### E. Optical Lens and Diffuser - **Material:** Polycarbonate. - **Function:** The "R" (Red) lens acts as a color filter and a light diffuser to ensure the LED light is visible from wide angles without creating "hot spots." --- ### 3. Connection Diagram (Simplified) ```mermaid graph LR A[Power Source 24V] --> B[Terminal 1] B --> C{Internal Resistor} C --> D[LED Chip] D --> E[Terminal 2] E --> F[Ground/Neutral] ``` --- ### 4. Application Usage These electronic parts are designed for high-vibration industrial environments. Common uses include: * **Status Indication:** Showing if a machine is powered on. * **Error Warning:** Red illumination (R) indicating a fault or emergency stop condition. * **Control Panels:** Standard fitment for PLC (Programmable Logic Controller) output monitoring.