2
0
2
1
-0
5
8
Product Description
2.3
LED Indicators
The read head is equipped with two indicator LEDs for carrying out visual function checks and
quick diagnostics.
LEDs
Figure 2.3
Display elements
Function Indicator LED
LED
Color
Label
Meaning
1
Green/yellow COM STATE
RS-485 communication active
2
Green/red
POWER ON
NO CODE/ ERROR
Code detected/not detected, error
Table 2.1
LEDs
LED
1
2
Description
Mode
COM STATE
COM ERROR POWER ON
NO CODE/
ERROR
Color
Green
Yellow
Green
Red
State
Off
Flashing
x
x
Comunikation aktive
Off
Off
x
x
No communication
Table 2.2
f
flash
= 2.5 Hz (one request line for flashing with three on statuses)
x: LED status has no meaning
COM
STATE
POWER
ON
NO CODE/
ERROR
1
2
