ELAU PacDrive M, Operating Manual

Page: 14 / 88

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page 14 field bus PROFIBUS-DP PacDrive™ M
4 Diagnosis
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4.2 Example for a Diagnosis Message
The diagnosis message 4731 „automatic bus deactivation“ is
shown.
Meaning of the diagnosis message:
„
class 4 error
„
diagnosis code 731
The meaning of the diagnosis code is further explained in the Pro-
gramming Manual - Reference - as shown below.
731 automatic bus deactivation
The Auto Clear bit in the master is set and at least one slave is
not exchanging cyclic I/O data. The error code entered after
"Err=" is equivalent to the error code of the parameter ErrorCode.
Cause:
Handling: Slave was switched off.
Reactivate slave.
Cause:
Handling: Faulty configuration of at least one slave.
Check configuration.
Cause:
Handling: Wiring error: Cable problem in the bus.
Check cable
Cause:
Handling: Wiring error: Faulty bus topology.
Check terminations,stubs, ...