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Summary of Contents for Benewake TFS20-L
- Page 1 TFS20-L User Manual...
- Page 2 3rd Floor, Haiguo Jiaye Sci-Tech Park, Haidian District, Beijing, China Copyright Notice This User Manual is copyright © of Benewake. Please do not modify, delete or translate the description of this manual contents without the official written permission from Benewake.
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Page 3: Table Of Contents
Contents 1 Product Overview ........................1 1.1 Measuring principle ......................1 1.2 Technical specifications ....................1 1.3 Structural appearance ....................2 2 Hardware Interface and Protocol ................3 2.1 Pin sequence description ....................3 2.2 Serial data communication ..................4 2.3 Serial port output format .................... -
Page 4: Product Overview
Ambient light 100KLux resistance Laser Parameters Light source VCSEL Central wavelength 905nm <2° Eye safety Class 1 Eye-safe [EN60825] Mechanical/Electrical Average power ≤0.35W consumption Peak current 115mA@3.3V ③ © 2024 Benewake (Beijing) Co., Ltd. · All rights reserved · REV: 01/09/2024... -
Page 5: Structural Appearance
③ peak current measured room temperature. 1.3 Structural appearance The overall appearance of the LiDAR is as shown in the figure below: Figure. 1: TFS20-L Dimensions © 2024 Benewake (Beijing) Co., Ltd. · All rights reserved · REV: 01/09/2024... -
Page 6: Hardware Interface And Protocol
When powered on, the INT pin Connect the INT pin to ground when needs to be pulled up with a 4.7K powering on. resistor or left floating. © 2024 Benewake (Beijing) Co., Ltd. · All rights reserved · REV: 01/09/2024... -
Page 7: Serial Data Communication
Byte6 Temp low 8 bits Byte7 Temp high 8 bits Checksum is the lower 8 bits of the cumulative sum of number of first Byte8 8 bytes © 2024 Benewake (Beijing) Co., Ltd. · All rights reserved · REV: 01/09/2024... -
Page 8: Custom Configuration
To set the relevant parameters of TFS20-L, first connect TFS20-L to PC. For the connection method, refer to sub-section 4.2. Send relevant © 2024 Benewake (Beijing) Co., Ltd. · All rights reserved · REV: 01/09/2024... - Page 9 On: 5A 05 08 01 Enable √ Enable Same as checksum command Off: 5A 05 08 Disable 00 67 Signal 5A 07 22 XX LL Same as Example: After When © 2024 Benewake (Beijing) Co., Ltd. · All rights reserved · REV: 01/09/2024...
- Page 10 The baud rate can be set to 9600, 19200, 38400, 57600, 115200, ② 230400, 460800, 921600. The default baud rate of TFS20-L is 115200. When the wrong baud rate is configured, it is reset to 115200. An enable data-output command must be sent each time the power is ③...
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Page 11: Quick Test Guide
Figure. 3: LiDAR and PC interfacing Connect “TFS20-L”, “TTL-USB board” and “USB cable”. Make sure there is no loose connection. Then connect “USB cable” with “PC”. As shown in the above image. © 2024 Benewake (Beijing) Co., Ltd. · All rights reserved · REV: 01/09/2024... - Page 12 PC software will be unable to identify it, and so the unit of “④TIME LINE CHART” will still be cm. For example, the actual © 2024 Benewake (Beijing) Co., Ltd. · All rights reserved · REV: 01/09/2024...
- Page 13 TFS20-L measurement is 1m, the distance value of TFS20-L is 1000 in mm, the value read by the PC software also is 1000, but the unit will not change and still display cm. © 2024 Benewake (Beijing) Co., Ltd. · All rights reserved · REV: 01/09/2024...
- Page 14 Solution: Check whether the power supply is normal and whether the voltage is within the rated voltage range. If the power supply is normal, there should be a faint red light in the TFS20-L transmitting lens. Check whether the wiring sequence of TFS20-L is correct and whether the connection is reliable.
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