2
0
2
1
-1
1
8
Product Description
2.4
LED Indicators
The device has 2 LEDs for the status indicator.
Figure 2.2
2.4.1
LED 1
LED 1 displays device and function status information. Green indicates the general device sta-
tus. Red indicates the status of the analog channel.
Device status green
Device status red
ICA-AI* variant configured as voltage input
1
LED 1: Device status / diagnostics
2
LED 2: IO-Link status
LED 1
LED 2
Note
If the red and green components light up simultaneously, the color of LED 1 may appear
orange.
Status
Description
Green
Device is on, status OK
Green flashing (1 Hz)
Device supply low voltage (U
B
< 18 V)
Green flashing (2 Hz)
Device supply critical (U
B
< 12 V)
Green asymmetrical flashing
(4 Hz/1 Hz)
Device supply overvoltage (U
B
> 30 V)
Green off
No voltage supply to device
Table 2.1
Note
If multiple diagnostics occur at the same time, the LED status is prioritized according to the
order in the respective table. The top entry has the highest priority.
Status
Description
Red flashing (1 Hz)
Input voltage outside nominal measuring range / outside the
parameterizable range
Red flashing (2 Hz)
Sensor supply overcurrent
Red off
OK
Table 2.2
