Chapter 7 Deployment of the CPU 21xDP Manual VIPA CPU 21x
7-16 HB103E - Rev. 05/45
Details on the structure of the standard diagnostic data are available from
the literature on the Profibus standards. This documentation is available
from the Profibus User Organization.
The slave standard diagnostic data have the following structure:
Byte Bit 7 ... Bit 0
0 Bit 0: fixed at 0
Bit 1: slave not ready for data transfer
Bit 2: configuration data is not identical
Bit 3: slave got extern diagnostic data
Bit 4: slave does not provide this function
Bit 5: fixed at 0
Bit 6: wrong parameterization
Bit 7: fixed at 0
1 Bit 0: slave needs new parameterization
Bit 1: statistical diagnosis
Bit 2: fixed at 1
Bit 3: response control active
Bit 4: freeze command received
Bit 5: sync command received
Bit 6: reserved
Bit 7: fixed at 0
2 Bit 0...Bit 6: reserved
Bit 7: Diagnostic data overflow
3 Master address after parameterization
FFh: Slave is without parameterization
4 Ident number High Byte
5 Ident number Low Byte
Standard
diagnostic data
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