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3.1.7.2.2.1
Extended Channel Diagnostics
The buscoupler uses the extended channel diagnostics to signal internal bus,
configuration and parameter setting faults. According to the PROFINET IO
standard, extended fault information must be expressed according to the
manufacturer specifications.
The fault type (UserstructureIdentifier) has the value for the
extended channel diagnostics (0x8002).
The structure for the data set (see ExtChannelDiagnosisData) has 12
bytes and is composed of as follows:
Byte
offset
0 / 1
2 / 3
4 / 5
6 / 7
8 / 9
10 / 11
WAGO-I/O-SYSTEM 750
PROFINET IO
Data type
WORD
BYTE
BYTE
WORD
WORD
DWORD
PROFINET IO 750-370
Description
Alarm source
0x0000 ... 0x0007
Channel 0 ... 7
0x8000
Sub-module
Fault- / Channel type
2
0
2
... 2
reserved
4
3
2
, 2
Fault type = upcoming fault = 1
7
5
2
... 2
Channel type
'000'
'001'
'010'
'011'
'100'
...
'111'
Data format
0x00 User defined data format
0x01 Bit
0x02 2 Bit
0x03 4 Bit
0x04 Byte
0x05 Word
0x06 Double word
0x07 2 double words
0x08
...
reserved
0xFF
Fault type
0x0000 reserved, not spesified
0x0010 Faulty parameter setting
0x001F Missing configuration
0x0100 Internal data bus fault
Extended fault type
0x0000
Extended fault description
...
0xFFFF
Additional value
Additional fault description
Diagnostics
reserved
Input channel
Output channel
Input / Output channel
reserved
• 97
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