-11-
Appendix I
Power Supply Requirements
■ Input Voltage
To ensure that the input voltage at the LiDAR's Lemo connector is 9~36 V DC, please check the specifications of the power source and the voltage
drop over cables.
We recommend using 26 AWG cables, which is the thickest wire gauge supported by the LiDAR
· Define the cable length from the power source to the LiDAR's Lemo connector as L (unit: m)
· When using 26 AWG cables, the estimated cable resistance is r = 0.3L (unit: Ω)
· Define the source voltage as U_in (V). The cable voltage drop of the LiDAR operating at 10 Hz under room temperature (23±5°C) can be
estimated:
U
drop
(V) =
U
in
-√U
in
2
-40r
2
Users may also estimate the cable voltage drop using the following lookup table.
When cable length exceeds 10 m, source voltage should be at least 24 V.
Estimation of Cable Voltage Drop
Cable Total Length L
Source Voltage
U
in
= 12 V
Source Voltage
U
in
= 24 V
Source Voltage
U
in
= 36 V
1.5 m
0.39 V
0.19 V
0.13 V
2 m
0.52 V
0.25 V
0.17 V
5 m
1.42 V
0.64 V
0.42 V
10 m
3.55 V (LiDAR's input voltage < 9 V)
1.32 V
0.85 V
Содержание PandarXT Series
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