Description of the device
3.4 LED display
SCALANCE XC-200
Operating Instructions, 07/2016, C79000-G8976-C442-01
31
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 twice Off On Display mode C
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 30)".
Meaning in display modes A, B and C
In display modes A, B and C, from the "L1" and "L2" LEDs you can see whether the power
supply is higher or lower than 9.6 V.
Power supply lower than 9.6 V
Power supply higher than 9.6 V
Meaning in display mode D
In display mode D, the "L1" and "L2" LEDs indicate whether the power supply is monitored.
- Off Power supply is not monitored.
If the power supply falls below 9.6 V, the signaling contact does
Green On Power supply is monitored.
If the power supply falls below 9.6 V, the signaling contact re-