Based on the technical designation and common industrial electronics nomenclature, the **B1C-R** typically refers to a specific series of high-performance **Magnetic Proximity Sensors** or **Limit Switches** often used in automation and pneumatic systems. --- ### 1. Core Technical Specifications The B1C-R is designed to detect the position of a piston within a cylinder or a moving mechanical component. | Feature | Description | | :--- | :--- | | **Sensor Type** | Magnetic Reed Switch or Solid State Hall Effect | | **Output Type** | Normally Open (NO) | | **Voltage Range** | 5V - 240V AC/DC (model dependent) | | **Switching Current** | 100mA max | | **Indication** | LED Indicator (usually Red) | | **Connection** | 2-wire or 3-wire PVC cable | --- ### 2. Key Internal Components The "R" suffix usually denotes a **Reed Switch** mechanism. Here is a breakdown of the electronic parts inside: * **Reed Switch Capsule:** Two ferromagnetic blades hermetically sealed in a glass tube. They close when a magnetic field (from a cylinder piston) is present. * **Protection Circuit:** Often includes a **Varistor** or a **Zener Diode** to protect the internal contacts from voltage spikes (EMF) caused by inductive loads. * **LED Circuit:** A surface-mount LED and a current-limiting resistor allow for visual confirmation of the "ON" state. * **Housing:** Usually made of Polyamide (PA) or specialized plastic to provide IP67-rated protection against water and oil. --- ### 3. Wiring Configuration Depending on the specific sub-model, the wiring typically follows standard industrial colors: 1. **Brown Wire:** Positive (+) / Line 2. **Blue Wire:** Negative (-) / Neutral 3. **Black Wire (if 3-wire):** Output signal to PLC or Relay --- ### 4. Application Areas * **Pneumatic Cylinders:** Monitoring the extension/retraction of pistons. * **Robotics:** End-of-travel detection for robotic arms. * **Packaging Machinery:** Synchronizing conveyor belt movements.