Description
3.5 LED display
SCALANCE X-300M
18
Compact Operating Instructions, 10/2014, A5E02630801-06
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
LED status
Meaning
-
off
Display mode A
green
on
Display mode B
orange
on
Display mode C
yellow/orange
flashes
Display mode D
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 the SELECT/SET button
starting at display mode A
Status of the "DM" LED
Display mode
-
off
Display mode A (default mode)
Press once
lit green
Display mode B
Press twice
lit orange
Display mode C
Press 3 times
flashes yellow/orange
Display mode D
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
Color
Status
Meaning
X308-2M (24 VDC)
X308-2M TS (12 VDC)
L1 / L2
-
off
Power supply L1 / L2 lower
than 17 V *
)
Power supply L1 / L2 less
than 12 V,
device switched off
green
on
Power supply L1 / L2 higher
than 17 V *
)
Power supply L1 / L2 higher
than 12 V
L
-
off
Power supplies L1 and L2 less than 17 V or not connected.
orange
on
Power supply L1 or L2 higher than 17 V
(no redundant supply).
green
on
Power supplies L1 and L2 higher than 17 V
(redundant supply).
*
)
Limit voltage = 17 VDC
