QuestionAugust 14, 2025

Project Design: Design a single latching circuit where the sensor will be used to break the latch. Use a Start button to enable the latch, and a Stop button to break the latch. The proximity sensor will also break the latch using a second relay.Use the contacts of the latching relay to turn on a light when the circuit is latched.

Project Design: Design a single latching circuit where the sensor will be used to break the latch. Use a Start button to enable the latch, and a Stop button to break the latch. The proximity sensor will also break the latch using a second relay.Use the contacts of the latching relay to turn on a light when the circuit is latched.
Project Design: Design a single latching circuit where the sensor will be used to break the latch. Use a Start button to enable the latch, and a Stop button to break the latch. The proximity sensor will also break the latch using a second relay.Use the contacts of the latching relay to turn on a light when the circuit is latched.

Solution
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Answer

A single latching circuit using a relay, Start/Stop buttons, and a proximity sensor to control a light. Explanation 1. Identify Components Use a latching relay, Start button, Stop button, proximity sensor, and light. 2. Design Circuit Layout Connect the Start button in series with the coil of the latching relay. Connect the Stop button and proximity sensor in parallel to each other but in series with the relay coil to break the circuit. 3. Implement Latching Mechanism Wire the normally open (NO) contact of the relay back to its coil to maintain the latch after the Start button is released. 4. Integrate Light Control Connect the light in series with the normally closed (NC) contact of the relay so it turns on when the relay is latched. 5. Add Sensor Functionality Connect the proximity sensor in parallel with the Stop button to break the latch when activated.

Explanation

1. Identify Components<br /> Use a latching relay, Start button, Stop button, proximity sensor, and light.<br /><br />2. Design Circuit Layout<br /> Connect the Start button in series with the coil of the latching relay. Connect the Stop button and proximity sensor in parallel to each other but in series with the relay coil to break the circuit.<br /><br />3. Implement Latching Mechanism<br /> Wire the normally open (NO) contact of the relay back to its coil to maintain the latch after the Start button is released.<br /><br />4. Integrate Light Control<br /> Connect the light in series with the normally closed (NC) contact of the relay so it turns on when the relay is latched.<br /><br />5. Add Sensor Functionality<br /> Connect the proximity sensor in parallel with the Stop button to break the latch when activated.
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