Table 53: Fieldbus Diagnostics - WAGO 750-325 Manual

WAGO-I/O-SYSTEM 750
750-325 CC-Link Fieldbus Coupler
9.1.1 Evaluating Fieldbus Status
The CC-Link status is displayed by the top LED group ('L RUN', 'L ERR', 'SD'
and 'RD').

Table 53: Fieldbus Diagnostics

L RUN
ON
ON
ON
ON
OFF
OFF
OFF
OFF
OFF
OFF
LED Status
L ERR SD
BLINK BLINK
BLINK OFF
OFF BLINK
OFF OFF
BLINK BLINK
BLINK OFF
OFF BLINK
OFF OFF
OFF OFF
ON OFF
RD
Communicating normally, but CRC errors
ON
have been detected due to noise.
Unable to respond because the received
ON
data caused a CRC error.
ON Normal communication.
ON No data for the master.
The fieldbus coupler receives a signal from
ON
the master, but a CRC error is detected.
ON Data for the master caused a CRC error.
Link with master is not established. The
configuration of the fieldbus coupler
ON regarding to the station address and / or
number of occupied stations does not match
the configuration in the master.
Either no data for the master or unable to
ON
receive the data for the master due to noise.
No communication between master and
fieldbus coupler possible, either no master
OFF
available or master not available, e.g. due to
wire breakage.
Invalid switch position for rotary encoder
OFF
switches or DIP switches.
Diagnostics 97
Operation
Manual
Version 2.0.1