Description of the device
4.7 LED display
SCALANCE XM-400
Operating Instructions, 09/2018, C79000-G8976-C306-08
35
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
-
Off
Display mode A
Press once
On
Off
Display mode B
Press twice
Off
On
Display mode C
Press three times
On
Display mode D
Press four times
Flashing
Off
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
-
Off
Power supply lower than 17 V
Green
On
Power supply higher than 17 V
Meaning in display mode D
In display mode D, the "L1" and "L2" LEDs indicate whether the power supply is monitored.
L1/L2 LED
L1/L2 connector
LED color
LED status
-
Off
Power supply is not monitored.
If the power supply falls below 17 V, the signaling contact does
not respond.
Green
On
Power supply is monitored.
If the power supply falls below 17 V, the signaling contact re-
sponds.
Содержание SIMATIC NET SCALANCE XM-400
Страница 10: ...Introduction SCALANCE XM 400 10 Operating Instructions 09 2018 C79000 G8976 C306 08 ...
Страница 12: ...Safety notices SCALANCE XM 400 12 Operating Instructions 09 2018 C79000 G8976 C306 08 ...
Страница 18: ...Recommendations on network security SCALANCE XM 400 18 Operating Instructions 09 2018 C79000 G8976 C306 08 ...