CHAPTER 5
PROTOCOL AND OPERATIONAL WORK
5-15
Displays for series DT-203NN, DT-105NN and DT-110NN
5.2.4
Status LEDs
For troubleshooting in Profinet communication, the equipment has status LEDs that
indicate problems with duplicate IPs, repeated Device Names, or problems in the ARs between
controller and network devices.
The following table describes the meaning of the LEDs
1788K04G
LED
SIGNIFICADO
BF
(Failure bus)
ON:
The Ethernet connection is defective; IP address
is duplicated in the network; DeviceName is duplicated
in the network; The IP is not defined.
Flashing:
At least one configured AR is no longer in
the data exchange.
OFF:
No errors are present.
SF
(Group error)
ON:
At least one AR is not in the data exchange.
OFF:
No errors are present.
