SJ-PM-TF-Luna A01
Benewake (Beijing) Co. Ltd.
Page6
1
Attentions
1.1
About this document
This manual provides all the essential information during the usage of this product.
Please carefully read this manual and make sure that you fully understand everything herein.
1.2
Usage of Product
The maintenance of this product should be done by the professional technician, and the product
can only work with the factory spare part for ensuring the performance and safety.
This product itself has no polarity and over-voltage protection. Please properly connect and supply
power as described in this manual.
Operating temperature of this product is between -10℃ and 60℃. Do not use it beyond this
temperature range to prevent malfunction.
Storage temperature of this product is between -20℃ and 75℃. Do not store it beyond this
temperature range to prevent malfunction.
For ensuring the product performance, do not open the product shell or remove the IR-pass filter.
1.3
Conditions with Potential Malfunction
Detecting object with high reflectivity, such as the mirror or the smooth floor tile, may cause a
system malfunction.
The product will malfunction if there is any transparent object between it and the detecting object,
such as glass or water.
The product will be subject to risk of failure if its transmitting or receiving len is covered by the
dust. Please keep the lens clean.
Please do not directly touch circuit board of the product by hand as it is exposed. Please wear
antistatic wrist strap or glove if necessary; Otherwise, the product will be subject to risk of failure,
which is shown by failure of normal operation, and even it will be broken.
2
Description
2.1
Principle of Distance Measurement
TF-Luna is based on TOF, namely, Time of Flight principle. To be specific, the product emits
modulation wave of near infrared ray on a periodic basis, which will be reflected after contacting object.
The product obtains the time of flight by measuring round-trip phase difference and then calculates relative