10
Function
Meaning of the LED display
Manual – PROFINET IO Interfaces, Field Distributors
130
10
Function
10.1
Meaning of the LED display
The MFE PROFINET IO interface has 5 LEDs for diagnostic purposes.
•
The "RUN" LED indicates the operating state of the MFE fieldbus interface.
•
The "BUS-F" LED for displaying errors in the PROFINET IO.
•
The "Link/act1" LED indicates the activity of the PROFINET port 1 (X11).
•
The "Link/act2" LED indicates the activity of the PROFINET port 2 (X12).
•
"SYS-F" LED for displaying system errors.
RUN
BUS-F
SYS-F
link/act1
link/act2
MF
E5
2B
Et
he
rn
et
DI0
DI1
DI2
DI3
DI4
DI5
DO0
DO1
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10.1.1
"BUS-F" LED
The following table shows the statuses of the "BUS-F" LED:
LED
RUN
LED
BUS-F
Meaning
Measure
Green
Lights up
Off
MFE is currently exchan-
ging data with the
PROFINET master (data
exchange).
–
Green
Lights up
Green
Flashing
The flashing function in the
PROFINET master config-
uration is activated to visu-
ally localize the station.
–
Green/red
Flashing
Green
Lights up
Red
Lights up
Connection to the
PROFINET master has
failed.
MFE does not detect a link.
Bus interruption.
PROFINET master not in
operation.
•
Check the PROFINET
connection of the MFE.
•
Check the PROFINET
master.
•
Check all the cables in the
PROFINET network.
22870857/EN – 12/2016