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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.
Byte
WAGO-I/O-SYSTEM 750
Bus System
Information
7
6
5
2
2
2
22 + n
1
0
Type of
23 + n
signal
Programmable Field Bus Controller 750-833
Meaning
4
3
2
1
0
2
2
2
2
2
Slot
Slot 2 ... 64
Header diagnostics channel based
Signal channel
Signal channel 1 ... 8
Type of signal
Diagnostics
1 Slot 2
2 Slot 3
...
63 Slot 64
0 Signal channel 1
1 Signal channel 2
...
7 Signal channel 8
0
0
0
1
Input
1
0
Output
1
1
Input / Output
• 95
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