151
Type 8692, 8693
english
DeviceNet
10 BUS STATUS DISPLAY
The bus status is indicated on the display on the device.
Display Device status Explanation/Troubleshooting
BUS offline
is displayed ap-
prox. every
3 seconds
offline Device is not connected to the bus, the network access procedure
(duplicate MAC-ID test, duration approx. 2 s) has still not ended or
device is only active network node
Baudrate correctly set across network?•
Bus connection including plug assignment correct?•
Power supply and bus connection of the other nodes correct?•
BUS no
connection
is displayed ap-
prox. every
3 seconds
online,
no connection to the master
Device is connected correctly to the bus, the network access pro-
cedure has ended without errors, however there is no established
connection to the master.
BUS no
timeout
is displayed ap-
prox. every
3 seconds
I/O connection timeout An I/O connection is in the TIME OUT state.
New connection establishment by master; ensure that I/O data
→
is transferred cyclically or, if COS confirmed, that corresponding
Acknowledge messages are sent by the master.
BUS critical err
is displayed ap-
prox. every
3 seconds
Critical bus error Other device with the same address in the network or BUS OFF due
to communication problems.
Change address of the device and restart device
→
Error analysis in the network with a bus monitor. →
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