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What points are important when installing the motion sensor?

ID:
929
Issued:
Dec 28th, 2009
Updated:
May 17th, 2013

What points are important when installing the motion sensor?

ANSWER

The MA Motion Sensor is designed primarily for indoor use.

The number of detection times and the presence of an object

Noise from external sources and other factors can cause the unexpected output of a detection signal. For applications requiring greater detection reliability, we recommend that you design the circuit so that the device activates only after several detection signals are output, not just one.

How to install the sensor

■Recommended installation direction■
Install the sensor so that it points in the direction shown at left with respect to the direction of entry of the object.

■Recommended installation height■
The infrared beam emitted from the sensor spreads over a certain so that the beam travels parallel to the installation surface (such as a wall, floor or ceiling), we recommend that you raise the sensor slightly off of the surface (about 50 mm). (Refer to Q8)

Front cover

Wiring length
To minimize the effects of noise, keep the wiring as short as possible.
If the sensor is to be used in a high-noise environment, add capacitors to the sensor power input and the output.

Effects other than the detection area

Operating environment

Performance of power source

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