Product Manual

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FIG. 6.2 Radar installation diagram
6.3 Output Agreement
Radar has two warning modes, one is IO output warning mode, the other is 485 output
warning mode.
IO port output mode Radar warning protocol:
In IO port output mode, the radar warning information is composed of warning lights and
buzzers, and the warning level is determined by TTC (collision time, unit second) and absolute
distance threshold L1 (unit meter). L1 is the range threshold detected by radar. Radar has a
level two alert
Alarm level
TTC, L(absolute distance)
Warning lights
buzzer
Level 1
T < = > TTC and L L1
Normally on
Drops off
The secondary
T < = TTC and L < L1
flash
Drops off
There is no
warning
T > TTC and L > L1
There is no
There is no
Note: The buzzer does not go off immediately when moving from level 1 to level 2
In the mode of output warning information, radar warning protocol:
In this mode, the radar warning information 485 message is composed, baud rate is
115200, frame ID is the standard
Frame ID, ID: 0x401.
TTC,L
Whether
early
warning
485 Output
information
T > TTC and L > L1
There is
no
warning
FA 00 00 00 00 00 00 FE
T < = > TTC and L L1
Level 1
warning
FA 01 XX XX XX XX 00 FE