Error Messages On Field Bus Devices - Burkert 8692 Operating Instructions Manual

Type 8692, 8693
Maintenance and Troubleshooting
34.1.5 Error Messages on Field Bus Devices
Display
MFI fault
Table 122:

Error Messages on Field Bus Devices

On.DeviceNet:
Display Device.status
(is displayed
approx. every
3 seconds)
BUS offline Offline
BUS no Online,
connection
no connection
to the master
BUS timeout I/O connection
timeout
BUS critical err Critical bus
error
Table 123: Error message DeviceNet
On.PROFIBUS.DP:
Display
BUS offline
is displayed approx.
every 3 seconds
Table 124: Error message PROFIBUS DP
Causes.of.error
Field bus board defective.
Explanation
Device is not connected to the bus.
The network access procedure
(Duplicate MAC-ID-Test, duration
approx. 2 s) has still not ended.
The device is the only active network
node.
Device is connected correctly to the
bus, the network access procedure
has ended without errors, however
there is no established connection
to the master.
An I/O connection is in the TIME
OUT state.
Other device with the same
address in the network.
BUS offline due to communication
problems.
Device.status Explanation
Offline. Device is not connected to the
bus.
Remedial.action
Not possible, device defective.
Troubleshooting
• Check whether the baud rate has
been correctly set network-wide.
• Bus connection including plug
assignment correct.
• Check operating supply and bus
connection of the other nodes.
• New connection established by
master.
• New connection established by
master.
• Ensure that I/O data is transferred
cyclically or, if COS confirmed, that
corresponding Acknowledge mes-
sages are sent by the master.
• Change address of the device and
restart device
• Error analysis in the network with a
bus monitor.
Troubleshooting
• Check bus connection including
plug assignment.
• Check operating voltage and bus
connection of the other nodes.
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