ProMinent DMT PROFIBUS DP Instructions Complémentaires page 45

Diagnostics frame
In accordance with the PROFIBUS
[Get_Sl_Diag] service. The diagnostics data comprise standard diagnostics information (6
bytes according to the PROFIBUS
data. A maximum of 63 bytes can be inserted for the device-specific diagnostics data. Of
which the first 4 bytes are specified in the PROFIBUS
remain free for use (user_data).
Tab. 16: The device related information is structured as follows:
sign_le status_
n type
Fig. 7: The device related information is structured as follows:
I Encode the byte sign_len as fol‐
lows:
I.I Length of the status DU including the
header byte: 04..63
[device related diagnostics] :
I.II Flags
00b constant
II Encode the byte status_type as
follows:
II.I Status-Type: 48 (manufacturer spe‐
cific)
standard, the DMT provides you with the
®
® standard) and possibly device-specific diagnostics
slot_nu specifi
mber er
® standard. Thereafter 59 bytes
user_da ...
ta 1
[Status] : 1
II.II Flags
III Encode the byte slot_number as
follows: Slot number (
[0] is used)
IV Encode the byte specifier as fol‐
lows:
IV.I Status specification: 00
IV.II Reserved
Functions
user_da
ta n
A0891
constant
b
[0] as only slot
constant
b
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