WAGO I/O SYSTEM 750 XTR
Diagnostics
97
750-333/040-000 FC PROFIBUS G2 12MBd XTR
Manual
Version 1.4.0
9.1.1
Evaluating the Fieldbus Status
The operating mode for communication via PROFIBUS is signaled by the four top
LEDs, RUN, BF, DIA and BUS.
Table 42: Diagnosis of Fieldbus Status
– Solution in Event of Error
RUN BF
DIA BUS
Explanation
Solution
Off
Off
Off
Off
No operating voltage or a
hardware fault is present.
1. Check the voltage supply.
2. Replace the fieldbus
coupler/controller where
required.
On
On
*
Off
PROFIBUS interface started;
baud rate was not yet detected.
1. Check whether PROFIBUS is
connected.
2. Check to see whether the
baud rate parameterized on
the master is supported by
the fieldbus
coupler/controller.
3. Replace the fieldbus coupler/
controller, on account of a
hardware fault.
On
Flashing *
Off
Baud rate detected, station not
yet parameterized and
configured.
1. Check the configuration.
2. Check the slave addresses.
3. Load the configuration and
restart the fieldbus coupler/
controller by turning the
power off and on again.
On
Flashing On
Blink
code
Slave has been parameterized
or configured incorrectly.
1. Evaluate the blink code and
correct the configuration
accordingly.
On
Off
*
Off
The fieldbus coupler/controller is
in the process of exchanging
data.
1. Error-free, productive
exchange of data.
On
*
On
*
The fieldbus coupler/controller is
reporting more than a pending
diagnostics.
1. The data exchange is trouble
free. Diagnostics information
such as cable break on an
analog input module is
active.
* Irrelevant