WAGO-I/O-SYSTEM 750
Diagnostics 127
750-375 PROFINET IO advanced Fieldbus Coupler
Manual
Version 1.1.0
Table 71: Structure head for the diagnostic data
Byte
offset
Data type
Description
0 / 1
WORD
Database contents
0x0010
Extended channel diagnostics
0x8104
Difference between expected/real configuration
2 / 3
WORD
Length of the data set in bytes
Length of the version in bytes including
4 / 5
BYTE
0x01
Version (major) = 1
BYTE
Version (minor)
0
Diagnostic data follows
1
API follows
6 / 7
DWORD
0x00
0x00 API = 0
8 / 9
0x00
0x00
Only available in version 1.1
The "API" process type has a data length of 4 bytes. Depending on the version of
the data set, the diagnostic data follows at byte offset 6 (version 1.0) or byte offset
10 (version 1.1).
The description of the diagnostic data in the subchapters, depending on the
"BlockType", begins back with byte offset 0.
More information on extended channel-specific diagnostics!
More information on extended channel diagnostics is available in the appendix in
the chapter "Channel-Specific Diagnostics".
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