Livox Hub, Руководство пользователя

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Livox Hub User Manual
©
2019 Livox Tech. All Rights Reserved.
7
Pin Signal Type Description Color
1 PPS_N Input RS485_B, Pulse Per Second White
2 PPS_P Input RS485_A, Pulse Per Second Blue
3 Ground Power Ground Black
4 STAMP_N Input RS485_B, Pulse Per Second Yellow
5 STAMP_P Input RS485_A, Pulse Per Second Grey
1 2 3 4 5
Figure 2.3.1 Livox Hub GPS sync port
GPS Sync Cable
Connect “A” to the GPS sync port of Livox Hub and connect “B” to the GPS sync signal. Refer to the
Data Synchronization section for more information.
1 2 3 4 5
500±25
A
B
3
1
2
4
5
Figure 2.3.2 GPS sync cable
Table 2.3.1 Livox Hub GPS sync port and sync cable description
GPS Sync Signal Description:
Figure 2.2.2 GPS sync signal description
t0: 1000 ms
t1: 20 ms ≤ t1 ≤ 200 ms
t2: ~70 ms @ 9600 bps
t3: 0 ms ≤ t3 ≤ 430 ms
Refer to the Software Development Kit (SDK) section for more information about the GPS sync signal.
PPS
$GPRMC
t2
1
1
0
0
t0
t1
t3