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1
A
-
T START
UP
At start-up, the LEDs indicate the version number and the type of configuration:
-
Green and red LEDs flash alternately: relay check
-
Flashing green or red LED: version number
•
If the green LED flashes, the configuration comes from the encoder wheels
•
If the red LED flashes, the configuration comes from the parameters sent via RS-232
2
I
N NORMAL OPERATION
• The green LED shows the state of the relay K1.
• The red LED shows the state of the relay K2.
3
W
-
HEN THE SELF
MONITORING DETECTS AN ERROR
The two LEDs blink quickly:
1. Type 1 failure (2 quick flashes followed by a 1 s break): code execution and internal micro-controller state
consistency. If a problem is detected, the system is reset. The reset takes 1 500 milliseconds.
2. Type 2 failure (4 quick flashes followed by a 1 s break): micro-controller oscillator monitoring. If a problem is
detected, the system enters in "fault mode". The LEDs show a code by blinking twice followed by a 1 second
pause.
The reset duration takes 1 500 milliseconds.
1
G
ENERAL
•
Installation height: typically, 3 m. The greater the height, the longer the dead zone ("no-detection" zone
starting at the foot of the radar pole).
•
Tilt or inclination angle: the smaller the angle (radar nearly horizontal), the longer the dead zone ("no-
detection" zone starting at the foot of the radar pole). See title 0, p. 19, for specific use cases.
Figure 7: Tilt or installation angle
LED INDICATOR
INSTALLATION GUIDE
α = vertical radar opening angle (α = 45°)
β = horizontal radar opening angle (β = 38°)
tilt = Inclination angle compared to the horizon
17
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