REV: 13/05/2022 · ©2022 Benewake (Beijing) Co., Ltd. | en.benewake.com | All rights reserved
BP-UM-30 A01
16
7 Q&A
1) Distance value occasionally will abruptly change into 4500 beyond the range
during normal operation.
Cause:
Different test environments (reflectivity of detected object, disturbance of ambient light,
etc.) will affect the signal strength of TF02-Pro. For a reliable and stable measurement
data, the algorithm elimination is internally used for TF02-Pro. In case of the insufficient
signal strength, TF02-Pro will output 4500. This value is not measurement data of TF02-
Pro, which is only used to remind the user that such data is unreliable.
Troubleshooting:
Please use such value as the trigger signal of some unreliable data, and it will ensure
that your system can use other reliable data for further assessment and decision-making
if there are some unreliable data.
2) Significant error between the output distance value of LiDAR and actual
distance.
Cause①:
Incorrect interpretation of the data communication protocol of TF02-Pro.
Troubleshooting:
Check data communication interpretation means. In case of such error, please check the
data format to adjust interpretation means.
Cause ②：
Due to the detection principle of TF02-Pro, the above phenomenon is likely to occur if
the detection object is the material with high reflectivity (such as mirror, smooth floor
tile, etc.) or transparent substance (such as glass and water, etc.)
Troubleshooting:
Please avoid use of this product under such circumstance in practice.
Cause ③:
The IR-pass filters are blocked.
Troubleshooting:
Please use dry dust-free cloth to gently remove the external matter
3) The TF02-Pro outputs an abnormal distance value of 65535.
Cause:
When encountering a measured object with high reflectivity (such as mirror, water, etc.),
the received signal will be saturated, at this time, Strength = 65535, and the distance
value will become 65534; when the signal strength is insufficient and lower than 60, the
distance value will become the maximum value of 4500.
Troubleshooting:
Please avoid use of this product under such circumstance in practice.
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