Burkert Type 8693 - Manual (Page 221)

221
Maintenance and troubleshooting
On.PrOFIBuS-DP:
Display Device.status Explanation Troubleshooting
BUS offline
is displayed approx. every
3 seconds
offline
Device is not connected to the
bus
• Bus connection including
plug assignment correct.
• Check power supply and
bus connection of the other
nodes.
Table 66: Error messages PROFIBUS-DP; Type 8693
50.2. Other malfunctions
Problem Possible.causes remedial.action
POS = 0 (when CMD > 0 %) or
POS = 100 %, (when CMD < 100 %)
PV = 0 (when SP > 0) or
PV = PV (when SP > SP ) Sealing function ( CUTOFF) has
been unintentionally activated
Deactivate sealing function
Applies only to devices with binary
output:
Binary output does not switch Binary output:
Current > 100 mA
Short-circuit
Check binary output connection.
Applies only to devices with process
controller:
Device is not operating as a con-
troller, despite correctly implemented
settings. P.CONTROL menu option is in
the main menu. The device is
therefore operating as a process
controller and expects a process
actual value at the corresponding
input. Remove P.CONTROL menu option
from the main menu.
Table 67: Other malfunctions Type 8693
english
Type 8692, 8693