Leds "L1" And "L2 - Siemens SIMATIC NET SCALANCE XC-400 Operating Instructions Manual

Depending on the set display mode, the "L1", "L2" LEDs and the port LEDs show different
information.
LED color
-
Green
Green
Green
Setting the display mode
To set the required display mode, press the "SELECT/SET" button.
If you do not press the "SELECT/SET" button for longer than 1 minute, the device
automatically changes to display mode A.
Pressing SELECT/SET button
starting at display mode A
-
Press once
Press twice
Press three times
4.7.6

LEDs "L1" and "L2"

The "L1" and "L2" LEDs indicate the current range of the power supply at connectors L1 and L2.
The meaning of the "L1" and "L2" LEDs depends on the set display mode, see section "LEDs
"DM1" and "DM2" (Page 34)".
Meaning in display modes A, B, C and E
In the display modes A, B, C and E, you can determine whether the power supply is
connected by observing LEDs "L1" and "L2" .
LED color
-
Green
SCALANCE XC-400
Operating Instructions, 08/2023, C79000-G8976-C694-01
DM1 LED
On
Off
L1/L2 LED L1/L2 connector
LED status
Off No external power supply connected
On Power supply connected to L1/L2
LED status
DM2 LED
Off
Off
On
On
LED status
DM1 DM2
Off
On Off
Off On
On
Description of the device
4.7 LED display
Meaning
Display mode A
Display mode B
Display mode C
Display mode D
Display mode
Display mode A
Display mode B
Display mode C
Display mode D
35