Siemens SIMATIC MV500 - Page 174

Process interfacing via an automation system (PLC, PC)
9.4 Control with FB 79
SIMATIC MV500
174 Operating Instructions, 03/2021, C79000-G8976-C494-05
Table 9- 36 Receive
Byte
Description
0
Reserved
1
Consecutive number of the current data packet received correctly by the I/O controller
2
Reserved
3
Reserved
4
Data ID of the requested data
5
Reserved
...
...
31
Reserved
Data ID of the requested data
The "4 Data ID of the supplied data" byte defines the data to be read. The data ID can have the
following values:
Table 9- 37 Data ID of the requested data
ID (B#16#)
Description
09
User data byte 1: Output the program number selected on the optical reader.
User data byte 2: If the "DISA" bit is set, it indicates whether a user who has the
right to override the "DISA" signal is logged in via the WBM:
• 00H: "Take control" is enabled,
•
01H: "Take control" is disabled.
81
Result string
82
Quality characteristics
83
Quality characteristics as absolute values and result string
84
Quality characteristics in classes
85
Quality characteristics in classes and result string
86
Quality characteristics in classes and absolute quality characteristics
87
Quality characteristics in classes, absolute quality characteristics and result
string
88
Position of the data matrix code
89
Position and result string
8A
Position and absolute quality characteristics
8B
Position, quality characteristics as absolute values and result string
8C
Position and quality characteristics in classes
8D
Position, quality characteristics in classes and result string
8E
Position, quality characteristics in classes and absolute quality characteristics
8F
Position, quality characteristics in classes, absolute quality characteristics and
result string