
Programmable Field Bus Controller 750-833 • 95
Diagnostics
WAGO-I/O-SYSTEM 750
Bus System
3.9.6 Channel Based Diagnostics
The channel based diagnostics serves for detailing the identification based
diagnostics. A structure is added to the device status for each faulty slot. This
comprises of a header byte, a second byte that includes the signal type and the
channel number and a third which describes the fault type and the channel
organization.
Information
Byte
2
7
2
6
2
5
2
4
2
3
2
2
2
1
2
0
Meaning
1 0 Slot
Slot 2 ... 64
1 Slot 2
2 Slot 3
...
63 Slot 64
22 + n
Header diagnostics channel based
Type of
signal
Signal channel
Signal channel 1 ... 8
0 Signal channel 1
1 Signal channel 2
...
7 Signal channel 8
Type of signal
0 0
0 1 Input
1 0 Output
23 + n
1 1 Input / Output
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