Siemens SINAMICS S120 Function Manual page 770

Communication
11.1 Communication according to PROFIdrive
The other diagnostics data (types) can be in any sequence. This is the reason that the
following diagnostics data include a header:
● Identifier-related diagnostics
● Status messages/module status
● Channel-related diagnostics
The diagnostic data type can be uniquely identified based on the header.
Note
The master must operate in the DPV1 mode.
Standard diagnostics
For communication via PROFIBUS, standard diagnostics is structured as follows.
Bit
Octet Name
1 Station
status 1
2 Station
status 2
3 Station
status 3
4
5
6
In this context, the following values are decisive for diagnostics:
● Ext_Diag
– Group signal for diagnostics in the slave
– = 1, if at least 1 alarm is active
● Ext_Diag_Overflow
Display, diagnostics overflow in the slave (for more than 240 bytes)
770
7 6
Master_ Prm_Fault
Lock
= 0
0 0
Ext_ 0
Diag_
Overflow
5 4
0 Not_ Ext_Diag
Supported
Sync_ Freeze_ WD_On
Mode Mode
0 0
Master_Add
Ident_Number (HighByte) of the slave
Ident_Number (LowByte) of the slave
3 2 1
Cfg_Fault Station_
Not_
Ready
1 Stat_Diag
= 0
0 0 0
Function Manual, 11/2017, 6SL3097-4AB00-0BP5
0
Station_
Non_
Exist
= 0
Prm_Req
0
Drive functions