Configuration / project engineering
6.5 LED display
SCALANCE X-400
122 Operating Instructions, 06/2015, C79000-G8976-C186-12
The following table shows the states indicated by the LEDs in the various display modes. For
more detailed information, refer to the subsections listed in the first column.
Power mod-
ule for X414-
3E and
X408-2
Problem, signaling contact opens
L1 Power supply L1 is applied. Power supply L1
L2 Power supply L2 is applied. Power supply L2
DI module
only for
X414-3E
IN1/IN5 Signal at input
Signal at input
Signal at input
Signal at input
IN2/IN6 Signal at input
Signal at input
Signal at input
Signal at input
IN3/IN7 Signal at input
Signal at input
Signal at input
Signal at input
IN4/IN8 Signal at input
Signal at input
Signal at input
Signal at input
CPU module
for X414-3E
and X408-2
Device is operating as RM
Device operates in standby mode.
Ports for
X414-3E and
X408-2
Port status Transmission
rate
Half / full duplex Fault mask
P4