MA Motion Sensor (AMA1, AMB1, 2, 3)
NOTES
1. Environment
1)Avoid using the sensor in environments containing excessive amounts of steam, dust, corrosive gas, or where organic solvents are present.
2)When the sensor is used in noisy environments, connect a capacitor (minimum 33 µF) across its power input terminals.
2. Wiring
1)Check all wiring before applying power. Incorrect wiring may damage the internal circuit (in particular, check that the connection to the power supply is not reversed.)
2)Avoid excessive removing and replacing of the connector.
3. Detector surface (Optical surface)
1)Keep the detector surface clean. Excessive dust or dirt on the detector surface will deteriorate the sensing performance.
2)Do not allow condensation or freezing to occur on the surface of the sensor. If condensation or freezing does occur at low temperatures, the sensor may not detect objects correctly.
3)This product is designed to detect the existence of human body. The sensor will not detect objects consisting of a low reflective material (e.g., an object coated with black rubber, etc.) or of a highly reflective material (e.g., mirror, glass, coated paper, etc.)
4)The front surface of the lens and case are made of polycarbonate resin and can withstand water, alcohol, oils, salts and weak acids. Other fluids such as alkalines, aromatic hydrocarbons and halogenated hydrocarbons may melt or swell the lens and case, please do not have such fluids touch the lens and case.
5)If you use the sensor with a cover or filter connected to the front of the sensor, the sensor may detect the cover itself, the detection distance can change, and unstable operation can result.
6)When multiple sensors are to be used side by side, please verify that there will be no mutual interference by installing them with the proper spacing, depending on the type as shown below.
Model number | Sensor spacing |
|
|
AMB1 series | 5 cm 1.969 inch |
|
|
AMA1 series | 8 cm 3.150 inch |
|
|
AMB2 series | 10 cm 3.937 inch |
|
|
AMB3 series | 20 cm 7.874 inch |
|
|
7)To protect the inner circuit, wiring should be max. 3 m 9.843 ft..
4.Recommended installation procedure
Install the photoelectric sensor so that it is orientated correctly in relation to the pass directions of the target objects as shown in the figure below.
Y
Z
X
Pass
directions
Object
Pass directions
PassObject directions
Object
❈→ stands for pass direction of the target object.
For the general precautions, refer to the Notes for Motion Sensors on next page.
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