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Programmable Field Bus Controller 750-833
•
79
Configuration
WAGO-I/O-SYSTEM 750
Bus System
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
Meaning
7
6
5
4
3
2
1
0
0
0
0
...
1
0
0
0
...
1
0
0
1
...
1
0
1
0
...
1
Data length
1 byte or word
2 bytes or words
3 bytes or words
...
16 bytes or 16 words
0
0
1
1
0
1
0
1
Input and output
Spec. identification formats
Input
Output
Input and output
0
1
Format
0 = byte structure
1 = word structure
0
1
Consistency about
Byte or word
Total length
For the special identification byte (bit 4 and 5 = 00) is defined:
Bit
Meaning
7
6
5
4
3
2
1
0
0
0
...
1
1
0
0
...
1
1
0
0
...
1
1
0
1
...
0
1
Length of the manufacturer specific data
0 = no manufacturer specific data
1 ... 14 = length of the manufacturer specific data
15 = no manufacturer specific data follows
0
0
Input and output
Spec. identification formats
0
0
1
1
0
1
0
1
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