204 Appendix
WAGO-I/O-SYSTEM 750
750-375 PROFINET IO advanced Fieldbus Coupler
Manual
Version 1.1.0
The "UserstructureIdentifier" diagnostic structure carries the identifier for
extended channel diagnostics (0x8002).
Each instance of the existing "ExtChannelDiagnosisData" diagnostic objects have
a size of 12 bytes and is structured as follows.
Table 233:
"ExtChannelDiagnosisData" instance structure
Byte
offset
Data type
Description
0 / 1
WORD
Diagnostic instance (ChannelNumber)
0x0000
...
0x0007
0x8000
Channel 0 … 7
Submodule
2 / 3
WORD
Channel-/Submodule properties (ChannelProperties)
2
7
... 2
0
Type
0x00
Instance = Submodule
0x01
1 bit
0x02
2 bit
0x03
4 bit
0x04
8 bit
0x05
16 bit
0x06
32 bit
0x07
64 bit
0x08
...
0xFF
Reserved
2
8
No collective channel error = '0'
2
10
, 2
9
Maintenance request = '00'
2
12
, 2
11
Pending diagnosis = '01'
2
15
...
2
13
Channel Properties, Direction
'000'
Manufacturer specific
'001'
Input
'010'
Output
'011'
Input/Output
'100'
...
'111'
Reserved
4 / 5
WORD
Channel Error Type
0x0000 Reserved
0x0001 Short circuit
0x0002 Undervoltage
0x0003 Overvoltage
0x0004 Overload
0x0005 Overtemperature
0x0006 Line break
0x0007 Upper limit value exceeded
0x0008 Lower limit value undershot
0x0009 Error
0x000A
...
0x000F
Reserved
0x0010 Parameterization fault