Siemens SIMATIC MV500 Operating Instructions Manual page 188

Process interfacing via an automation system (PLC, PC)
9.4 Control with FB 79
Parameter Declaration Data type
STATE OUTPUT
CODE_ OUTPUT
OUT
LENGTH OUTPUT
Table 9- 45
Value (W#16#...) Meaning
0000
0001
0002
0003
0004
0005
0081
0082
0083
0084
0085
0086
0087
0088
0089
008A
008B
008C
008D
008E
008F
188
Address
(instance DB)
WORD 28.0
BYTE 30.0
WORD 32.0
Possible values of the "COMMAND" parameter
Cancel current job or no job
Change program
Save program
Output the number of the program currently selected on the optical reader
Output the current operating state of the optical reader
Reset DISA control signal
Output the (possibly modified) result string
Output absolute quality characteristics
Output absolute quality characteristics and output result string
Output quality characteristics as classes
Output quality characteristics as classes and output result string
Output quality characteristics as classes and in absolute format
Output quality characteristics as classes and in absolute format and output result
string
Output code position
Output code position and result string
Output code position and output absolute quality characteristics
Output absolute code position and quality characteristics and output result string
Output code position and quality characteristics as classes
Output code position and quality characteristics as classes and output result string
Output code position and quality characteristics as classes and in absolute format
Output code position and quality characteristics as classes and in absolute format
and output result string
Default Description
W#16#0000 Operating state of the optical reader:
• W#16#0000: Status not up to date
• W#16#0001: RUN
(processing mode with output of the result
string), in other words, the "IN_OP" and
"RDY" bits in the status byte are set.
• W#16#0002: STOP
including Save program and Adjustment
mode, i.e. the "IN_OP" bit in the status
byte is set, but the "RDY" bit is not.
• W#16#0003: ERROR
The "IN_OP" bit in the status byte is not
set.
B#16#00 Number of the program currently selected by
the optical reader
W#16#0000 Length of the result string in bytes
Operating Instructions, 03/2021, C79000-G8976-C494-05
SIMATIC MV500