Festo CPV-DI01 Manual page 101

3. Diagnosis PROFIBUS-DP
Diagnostic words
* **
Byte Octet Diagnostic address
0 1 Station status 1
2 3 Station status 3
4 5 Manufacturer identification
(Ident_number
high byte 00
6 7 Header
8 9 Device related diagnosis 2
(error byte CPV Direct)
Heavy print = Content will be modified by the CP system
* = Siemens
** = EN50170
Fig. 3/9: Diagnostic words
Festo P.BE-CP-DI01-EN en 0007a
Summary of diagnostic bytes
Several diagnostic words are provided for each bus slave. The
diagnostic words and their meanings in conjunction with the
Festo CP system are as follows:
Diagnostic address + 1
Station status 2
Master address
(Diag. master_Add)
Manufacturer identification
(Ident_number
) low byte C9
H
Device related diagnosis 1
(summary of errors)
Always logical "0"
**
Octet
2
4
6
)
H
8
10
*
Byte
1
3
5
7
9
3-11