# Burglar Alarm PIR Sensor Wiring DiagramA passive infrared (PIR) sensor is a type of motion detector that uses infrared radiation to detect the presence of people or animals. PIR sensors are commonly used in burglar alarms, as they can be used to detect intruders who may be trying to break into a home or business. PIR sensors work by detecting the infrared radiation that is emitted by the human body. When a person or animal walks by a PIR sensor, the sensor will detect the increase in infrared radiation and trigger an alarm. PIR sensors are typically mounted on walls or ceilings, and they are often used in conjunction with other security devices, such as door and window sensors.
Wiring a PIR sensorWiring a PIR sensor is a relatively simple task, and it can be completed in just a few steps. 1.
Locate the PIR sensor.The PIR sensor should be mounted on a wall or ceiling in a location where it will have a clear view of the area that you want to protect. 2.
Run the wires from the PIR sensor to the control panel.The PIR sensor will typically have two wires: a power wire and a signal wire. The power wire should be connected to the control panel's power supply, and the signal wire should be connected to the control panel's input terminal. 3.
Test the PIR sensor.Once the PIR sensor is wired, you should test it to make sure that it is working properly. To do this, you can wave your hand in front of the sensor. If the sensor is working properly, it will trigger an alarm.
Troubleshooting PIR sensorsIf a PIR sensor is not working properly, there are a few things that you can check to troubleshoot the problem. *
Make sure that the PIR sensor is properly installed.The PIR sensor should be mounted in a location where it will have a clear view of the area that you want to protect. The sensor should also be free of obstructions, such as furniture or curtains. *
Check the power supply.Make sure that the PIR sensor is connected to a power source and that the power source is turned on. *
Check the signal wire.Make sure that the signal wire is connected to the control panel's input terminal. *
Test the PIR sensor.Wave your hand in front of the sensor to make sure that it is triggering an alarm. If you have checked all of these things and the PIR sensor is still not working properly, you may need to contact a qualified security professional for assistance.
PIR sensors are a valuable addition to any security system, and they can help to deter intruders and protect your home or business. By following these simple steps, you can easily install and troubleshoot a PIR sensor.
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