Operation
6.7 Communication according to PROFIdrive
Enclosed Drives
344
Operating Instructions, 12/2018, A5E36652151A
System response - reading out diagnostics data
The converter requests diagnostics data via "Read data set" (detailed information is provided
in the PROFINET-IO specification (
Example:
For example, a read record with index 0x800C can be used to read out diagnostics data from
specific sub slots.
The following rules apply exemplarily:
●
1 message block,
if at this drive object (one or several) faults of the same message class are identified.
●
n messages
if, at this drive object, n faults of different message classes are identified.
Note
If a fault is active on the CU drive object, then this fault is propagated to all of the drive
objects associated with the CU. This fault can therefore be read out at each drive object.
6.7.5.2
Diagnostics via PROFIBUS
For communication via PROFIBUS, in the case of fault the following diagnostics data is
output:
●
Standard diagnostics
●
Identifier-related diagnostics
●
Status messages/module status
●
Channel-related diagnostics
●
Data sets DS0/DS1 and diagnostics alarm
Message structure
The following applies if a message contains all of the specified diagnostics data:
●
Standard diagnostics
Is always located at the beginning of the message.
●
Data sets DS0/DS1 and diagnostics alarm
Is always located at the end of the message. This message part is always slot-specific.
The actual state of the slot responsible for the message is always transferred in the
message.
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