Siemens SIMATIC Vision Sensor VS 130-2 Manual page 111

"Send" User Data Interface
Byte No. Meaning
0 Reserved
1 Consecutive number of the data packet to be sent to the DP master or I/O controller
2 Net total length of the data to be transmitted in bytes (in STEP 7 format)
3
4 Data ID of the supplied data
5 1. User data byte
... ...
31 27. User data byte
Note
The "data ID of the supplied data" defines the transferred data. The coding
corresponds to byte 4 of the "Receive" user data interface (refer to the relevant
paragraph). In a read job, the ID of the currently transferred data is entered.
"Receive" user data interface
Byte No. Meaning
0 Reserved
1 Consecutive number of the current correct data packet to be sent to the DP master.
2 Reserved
3 Reserved
4 Data ID of the requested data
5 Reserved
... ...
31 Reserved
The "data ID of the requested data" defines the data to be read. It can have the
following values:
ID (B#16#) Meaning
09 User data byte 1: Output code number selected on VS 130-2
User data byte 2: If the DISA bit is set, you can see whether a user is logged on over the
setup support who has permission to override the DISA signal: 00H: "Take control" is
activated, 01H: "Take control" is deactivated
81 Result string
82 Quality characteristics absolute
83 Quality characteristics as absolute values and result string
84 Quality characteristics in classes
85 Quality characteristics in classes and result string
Vision Sensor SIMATIC VS 130-2/VS 130-2vcr
A5E00475759-01
Process Interface
6-13