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3. Diagnosis CPV−DI02 (PROFIBUS−DP)
3.2.3 Overview of the diagnostic bytes
Diagnostic words
*
**
Byte
Octet
0
1
2
3
4
5
6
7
8
9
bold = Contents modified by the CPI system
*
= Siemens
**
= EN 50170
Tab. 3/7:
Overview of diagnostic bytes: Standard diagnostic information
3−12
Several diagnostic words are provided for each bus slave.
The diagnostic words and their meaning for CP systems
from Festo are shown in the following table:
Diagnostic address
Station status 1
Station status 3
Manufacturer's code
(Ident_number
High byte 0A
)
h
Header
Device−related Diagnosis 2
(fault byte CPV Direct)
Diagnostic address + 1
Station status 2
Master address
(Diag.Master_Add)
Manufacturer's code
(Ident_number
Low byte 35
)
h
Device−related Diagnosis 1
(overview of faults)
Identification byte of the
diagnosis
Festo P.BE−CPV−DI02−E N en 0704NH
**
*
Octet
Byte
2
1
4
3
6
5
8
7
10
9
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