The **W2TS-N1B-R** is a specific part number typically associated with **Autonics** or similar industrial automation manufacturers. It belongs to the series of **non-contact door switches** or safety sensors used in industrial safety systems. --- ### 1. Key Technical Specifications Below is a breakdown of the typical electronic and physical attributes for this specific model: | Attribute | Specification | | :--- | :--- | | **Type** | Non-contact Magnetic Safety Switch | | **Output Type** | NPN Open Collector (Normally Closed/NC) | | **Operating Voltage** | 24V DC (typical range 19.2 - 28.8V DC) | | **Sensing Distance** | ON: ~5mm to 8mm / OFF: ~15mm to 17mm | | **Connection Type** | Cable type (usually 2m or 5m) | | **Protection Rating** | IP67 (Dust-tight and water-resistant) | | **Indicator** | Red LED (for operation status) | --- ### 2. Internal Electronic Components The "N1B" designation provides specific details about the internal logic and wiring configuration: * **Non-Contact Sensing:** Unlike mechanical limit switches, this uses a magnetic or inductive sensing element (Hall Effect sensor) to detect the presence of the actuator. This eliminates mechanical wear and tear. * **NPN Output:** The electronic circuit acts as a "sink." When the switch is triggered, it connects the output wire to the negative (0V) terminal. * **Safety Redundancy:** These parts often contain dual internal circuits to ensure that if one component fails, the safety system can still detect a fault (when used with a compatible safety controller). --- ### 3. Wiring Configuration While you should always consult the specific datasheet for your batch, the standard wiring for an NPN non-contact switch is as follows: ```mermaid graph LR A[Brown: +24V DC] --- B[Power Input] C[Blue: 0V GND] --- D[Common] E[Black: Output 1] --- F[Safety Controller/PLC] G[White: Output 2] --- H[Redundancy Check] ``` --- ### 4. Applications * **Safety Interlocking:** Used on machine guards and doors. If the door (actuator) is moved away from the sensor, the circuit breaks, and the machine stops. * **Wash-down Environments:** Because the electronics are fully encapsulated (IP67), they are ideal for food and beverage packaging where high-pressure cleaning occurs. * **High-Frequency Switching:** Since there are no physical contacts to arc or weld, they last much longer in high-cycle operations than mechanical switches. ---