The commonly used communication method for data acquisition and control is RS485. RS485 is a general communication standard. It can
- +86 15628902292
- Helen@tempandhumidity.com
PIR Motion Sensor
Our ceiling mounted PIR motion sensor can detect the target area in a 360° cone. To meet the needs of different users, we provide two detection principles: infrared light and microwave. The infrared motion sensor uses PIR pyroelectric elements, which are low in cost and good in stability. The microwave motion sensor uses 24GHz millimeter wave radar, which is not affected by the environment, temperature, dust, and has a low false alarm rate.
- Model: RS-HW-N01-3-EX / RS-WB-N01-3-EX / RS-HWB-N01-3-EX
- MOQ: 1 PCS
- Delivery date: within 24 hours
- Price: $21~29.4
PIR motion sensor types
| Renke Motion Detectors Recommend | |||
|---|---|---|---|
| Types | Infrared motion detector | Microwave motion detector | Infrared + microwave detector |
| Photos |  |  |  |
| Sensor | PIR pyroelectric element | 24GHz millimeter wave radar | PIR pyroelectric element and 24GHz millimeter wave radar |
| Monitoring | Passive detection uses pyroelectric elements to detect infrared rays emitted by the human body. When the element receives infrared radiation, it will release electric charge and generate an alarm after detection and processing. | Active detection uses the Doppler effect to detect mobile signals. It detects whether there are moving objects by changing the frequency of the transmitted waves, and can detect subtle movements of the human body. | Using microwave detectors and human pyroelectric infrared sensors, the alarm signal will only be issued when both detectors detect human activities in the monitored area. It has super high detection and anti-false alarm performance. |
| Features | Low cost and good stability | Sensitive, strong penetrating, not affected by smoke, heat source, airflow | Sensitive sensing, stable performance, high recognition accuracy, and low misjudgment rate |
| Price | $21 | $27.9 | $29.4 |
| Inquiry | Contact us for detailed manual | ||
PIR motion sensor features
- Using an 8-bit low-power CMOS processor
With automatic temperature compensation function - Anti-RFI interference: 20~1000MHz (such as mobile communication)
- Three kinds of alarm delay output are optional
- Adopt RS485 output mode to support secondary development.
PIR motion sensor and microwave sensor details
RS-HW-N01-3-EX is a high-stability PIR motion sensor. It adopts advanced signal analysis and processing technology and has super high detection and anti-false alarm performance. When an intruder passes through the detection area, the detector will automatically detect the human activity in the area. If there is dynamic movement, an alarm will be generated. The device has 485 output and standard ModBus-RTU protocol, which can be developed again. The product is suitable for security prevention in family residential areas, real estate villas, factories, warehouses, shopping malls, office buildings and other places.
| RS-HW-N01 PIR motion sensor | |
|---|---|
| Power supply | 10~30V DC |
| Power consumption | 0.4W |
| Sensor type | dual-element pyro-infrared sensor |
| Alarm duration | 30s, 10s, 5s output optional (default 5s) |
| Delayed alarm | software setting (delay for alarm occurrence) |
| Installation method | ceiling |
| Installation height | 2.5~6m |
| Detection range | diameter 6m (when the installation height is 3.6m) |
| Detection angle | 360° in all directions |
| Signal output | RS485 |
| Working environment | -20℃~+50℃, 0%RH~95%RH (non-condensing) |
RS-WB-N01-3-EX is a high stability radar microwave detector. It detects moving targets by compression and stretching of microwaves. The infrared + microwave dual-detection sensor can measure not only the distance of moving objects, but also the speed of movement. Compared with infrared light, microwaves have a longer sensing distance and a wider angle, and can penetrate glass and thin wood. Depending on the power, it can penetrate walls of different thicknesses, and the sensing distance does not decrease with changes in temperature.
| Renke microwave motion sensor | |
|---|---|
| Power supply | 10~30V DC |
| Power consumption | 0.4W |
| Sensor type | microwave sensor |
| Alarm duration | adjustable register 0-65535s (fast dialing can only adjust fixed time) |
| Delayed alarm | software setting (triggered during this time, the device alarms after the delay ends. Intermittent triggering, the device does not alarm after the delay ends) |
| Working frequency | 24.00~24.25GHz |
| Installation method | ceiling |
| Installation height | 2.5~6m |
| Detection range | diameter 6m (when the installation height is 3.6m) |
| Detection angle | 360° in all directions |
| Signal output | RS485 |
How to install motion sensor?
RS485 wiring instructions: Wide voltage power input 10~30V is OK. When wiring the 485 signal line, pay attention that the A\B lines cannot be connected in reverse, and the addresses of multiple devices on the bus cannot conflict.
| Line color | Instruction | Remark |
|---|---|---|
| Brown | Power positive | 10-30V DC |
| Black | Power negative | |
| Yellow | 485-A | — |
| Blue | 485-B | — |
Installation Instructions
1. Select a suitable location, fix the mounting base to the ceiling with screws, and then hang the detector. 2. The recommended installation height is 2.5~6m
3. The installation location should avoid being close to air conditioners, electric fans, refrigerators, ovens, and objects that can cause rapid temperature changes. At the same time, avoid direct sunlight on the detector.
4. Avoid objects blocking the detector lens to avoid affecting the detection effect
PIR motion sensor instructions
1. Connect the wires as described, and then cover the detector cover.
2. Turn on the power, the indicator light flashes, and the detector enters the self-test state.
3. After 60 seconds, the indicator light goes out, and the detector enters the normal detection state. At this moment, if someone walks in the detector coverage area, the LED indicator light is on, and the RS485 alarm output is at the same time.
4. LED ON frame skipping controls whether the LED indicator light has a prompt, which does not affect the normal operation of the detector.
Microwave sensor instructions
1. Connect the wires as described.
2. Turn on the power and wait for 20 seconds for the device to enter the normal detection state. At this moment, if someone walks in the detector coverage area, the LED alarm light will light up and the RS485 alarm will be output.
3. The flashing LED light on the back of the microwave motion sensor is the operating light and does not affect the normal operation of the sensor.
Related blogs
Measuring tilt angles is an important part of geometric metrology. The range of angle measurement is wide. According to the
Breeding environment monitoring has a great influence on the growth of poultry. Changes in factors such as temperature, humidity, carbon
Table of Contents Smart buildings are the product of the development of modern science. The smart building system is mainly
The key to the smart industry lies in the collection of data and information. Sensors are the nerve endings of
Table of Contents Modern companies are placing an increasing emphasis on the value of collected data. As a result, central
Table of Contents What is IoT? IoT is the “Internet of things“. It is an extended and expanded network based
Table of Contents What are industrial sensors and actuators? Industrial sensors are devices that can convert physical or chemical quantities
Table of Contents What is an infrared motion detector? All living beings and objects on Earth emit infrared light of