Remote Upgrading; Malfunction: Causes And Troubleshooting - Benewake TFmini Plus Product Manual

Benewake (Beijing) Co. Ltd.
SJ-PM-TFmini Plus-T-01 A01

8 Remote Upgrading

TFmini Plus supports the remote upgrade. When the user's product cannot satisfy the current application
requirements and Benewake official website has relevant firmware upgrades, the user may upgrade the
product firmware via remotely upgrading the PC software. Please contact us to get the Updater
Figure 7 Firmware Upgrade PC software of TFmini Plus
The tools for the firmware upgrade of TFmini Plus are mostly the same as the Quick Test, which requires
one TTL-USB board to connect the TFmini Plus with PC.
Upon successful connection, open the Updater.exe. Select right port, here is "①COM8". Input the right
baud rate in "② 115200" and click "③ CONNECT" to connect the TFmini Plus with the Updater. Click
"④ Open Bin" to choose the updating firmware, whose directory will be showed in the textbox above.
Then click "⑤ Download Bin" to start upgrading. The information of upgrading will be showed in "⑥".
Caution: please confirm that the communication bit rate of this product is 115200 before the firmware
upgrade, as TFmini will be unable to upgrade at other bit rates.

9 Malfunction: Causes and Troubleshooting

(1) Distance value occasionally will abruptly change into 0 beyond the range during normal operation.
Cause: The different test environments (reflectivity of detected object, disturbance of ambient light, etc.)
will affect the signal strength of TFmini Plus. For a reliable and stable measurement data, the algorithm
elimination is internally used for TFmini Plus. In case of the insufficient signal strength, TFmini Plus will
output 0. This value is not measurement data of TFmini Plus, 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.
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