BECKHOFF BK3xx0 - Manual (Page 64)

Notes on the Documentation
62 Fieldbus Components
LC3100
I/O-
RUN
BF RUN Meaning Remedy
on off on Operating state: RUN, Inputs are read
and outputs are set Everything is operating correctly
on on,
blinking on 1. Bus activity, but slave is already
parameterised Start master
2. Bus error with reaction to
PROFIBUS error:
a.) K-Bus outputs become 0 or b.) K-
Bus outputs are retained Check parameters, configuration
(possible error in DP start-up)
off off on Data exchange with the master is not
started Starts the PLC
off on off No bus activity Start the master, check the bus cable
off on,
blinking on Bus error with reaction to PROFIBUS
error: K-Bus cycle is stopped Start master, check parameters,
configuration (possible error in DP start-
up)
DIA-LED blink codes
If an error occurs in the parameterisation or configuration during DP start-up, this is indicated both through the
fieldbus LEDs and in the diagnostic data.
Blink Code
Fast blinking Start of the error code
First slow sequence Error code
Second slow sequence Error argument (error location)