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3.6.4 Identification Bytes
The identification bytes contain information about the structure and the scope
of the inputs and outputs of the device. For projecting, each I/O module is
allocated an identification or module.
Bit
7
0
1
For the special identification byte (bit 4 and 5 = 00) is defined:
Bit
7
0
0
1
1
WAGO-I/O-SYSTEM 750
Bus System
6
5
4
3
2
1
0
0
0
0
0
0
0
0
1
...
...
...
1
1
1
0
0
0
1
1
0
1
1
0
1
6
5
4
3
2
1
0
0
0
0
0
0
...
...
...
1
1
1
1
1
1
0
0
0
1
0
1
Programmable Field Bus Controller 750-833
Meaning
0
Data length
0
1 byte or word
1
2 bytes or words
0
3 bytes or words
...
...
1
16 bytes or 16 words
Input and output
Spec. identification formats
Input
Output
Input and output
Format
0 = byte structure
1 = word structure
Consistency about
Byte or word
Total length
Meaning
0
Length of the manufacturer specific data
0
0 = no manufacturer specific data
1
...
1 ... 14 = length of the manufacturer specific data
0
1
15 = no manufacturer specific data follows
Input and output
Spec. identification formats
Input and output
unassigned slot
a length byte for inputs follows
a length byte for outputs follows
a length byte each for inputs and outputs follows
• 79
Configuration
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