Configuration, displays and display elements
7.5 LED display
The "DM" LED for the display mode
The "DM" LED (Display Mode) indicates which of the four display modes A, B, C or D is
currently active. The meaning of the L1, L2 and P1, P2, ... LEDs depends on the display
mode.
LED color
-
green
orange
yellow/orange
Selecting the display mode
Press the SELECT/SET button to set the required display mode. If the SELECT/SET button
is not pressed for longer than a 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
The "L1" and "L2" or L LEDs for the power supply
Whereas on other devices, the "L1" and "L2" LEDs indicate information about the power, on
the SCALANCE X306-1LD FE, this is done by the "L" LED. A redundant power supply for
this device can be recognized by the color of the LED.
Meaning in display mode A, B or C
LED
L1 / L2
L
*
The following applies to the X-300EEC:
)
For devices with power supply unit 24 to 48 V DC: Limit 17 V
For devices with a multiple range power supply unit 100 to 240 V AC / 60 to 250 V DC:
Limit voltage = 46.5 V DC or 80 V AC
142
LED status
off
on
on
flashes
Color
Status
_
off
green
on
-
off
orange
on
green
on
Status of the "DM" LED
off
lit green
lit orange
flashes yellow/orange
Meaning
Power supply L1 / L2 lower than 17 V *
Power supply L1 / L2 higher than 17 V *
Power supplies L1 and L2 less than 17 V or not connected.
Power supply L1 or L2 higher than 17 V
(no redundant supply).
Power supplies L1 and L2 higher than 17 V
(redundant supply).
Operating Instructions, 10/2010, A5E01113043-10
Meaning
Display mode A
Display mode B
Display mode C
Display mode D
Display mode
Display mode A (default mode)
Display mode B
Display mode C
Display mode D
)
)
SCALANCE X-300