There are 5 display modes (A, B, C, D, and E). Display mode A is the default mode.
Depending on the set display mode, the "L1", "L2" LEDs and the port LEDs show dierent
information.
LED color LED status Meaning
DM1 LED DM2 LED
- O Display mode A
Green On O Display mode B
Green O On Display mode C
Green On Display mode D
Green Flashing O Display mode E
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
LED status Display mode
DM1 DM2
- O Display mode A
Press once On O Display mode B
Press twice O On Display mode C
Press three times On Display mode D
Press four times Flashing O Display mode E
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 display modes A, B, C and E, from the "L1" and "L2" LEDs you can see whether the power supply
is higher or lower than 17 V.
L1/L2 LED L1/L2 connector
LED color LED status
- O Power supply lower than 17 V
Green On Power supply higher than 17 V
Description of the device
4.7 LED display
SCALANCE XM-400
Operating Instructions, 03/2021, C79000-G8976-C306-10 35
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