Table 54: Node Status Diagnostics - Solution In Event Of Error - WAGO 750-325 Manual

98 Diagnostics
9.1.2 Evaluating Node Status – I/O LED (Blink Code Table)
The communication status between fieldbus coupler and the I/O modules is
indicated by the I/O LED.
Table 54: Node Status Diagnostics – Solution in Event of Error
LED Status
I/O
green
green
cyclical
flashing
orange
flashing
red
red
flashing
red
cyclical
flashing
off
Device boot-up occurs after turning on the power supply. The I/O LED flashes
orange.
Then the local bus is initialized. This is indicated by flashing red at 10 Hz for
1 ... 2 seconds.
After a trouble-free initialization, the I/O LED is blinking green, depending on the
settings for the configuration.
In the event of an error, the I/O LED continues to blink red. Blink codes indicate
detailed error messages. An error is indicated cyclically by up to 3 flashing
sequences.
After elimination of the error, restart the node by turning the power supply of the
device off and on again.
Manual
Version 2.0.1
Meaning
The fieldbus node is operating correctly.
The set number of occupied stations and
extended cyclic setting are shown with
two consecutive flashing sequences.
There are short intervals between the
sequences.
Start of the firmware.
1 ... 2 seconds of rapid flashing indicates
start-up.
Fieldbus coupler hardware defect
Flashing with approx. 10 Hz indicates the
initialization of the local bus or a local bus
error.
Up to three successive flashing
sequences indicate local bus errors.
There are short intervals between the
sequences.
No data cycle on the local bus.
WAGO-I/O-SYSTEM 750
750-325 CC-Link Fieldbus Coupler
Solution
Normal operation.
Evaluate the flashing sequences
shown.
The flashing indicates the configuration
setting consisting of the indicator signal
for the number of occupied stations
and the subsequent indicator signal for
the extended cyclic setting (not
applicable for V1.1).
-
Replace the fieldbus coupler.
Note the following flashing sequence.
Evaluate the flashing sequences based
on the following blink code table.
The blinking indicates an error message
comprised of an error code and error
argument.
The fieldbus coupler supply is off.