Physical Read" Commands - Siemens SIMATIC MV540 H Operating Instructions Manual

Address
0x0003
0x0004
0x0005
0x0006
9.3.2.4

"PHYSICAL READ" commands

Supported MV commands
Using the "PHYSICAL READ" command, you can read out various MV commands (Machine
Vision commands).
The following commands are supported:
Table 9- 24 PHYSICAL-READ
CMD OFFSET ADDR_TA
BUFFER G
0x70 Offset in 0x0000
the
"TXREF"
send
buffer
SIMATIC MV500
Operating Instructions, 06/2018, C79000-G8976-C494-01
Value
0x01 ... 0x07
0x00 ... 0x05
0x00
0x00
LEN_DATA
Length of the data to be fetched from
the reader:
≥ code length +2
•
= 01
•
≥ match string length +2
•
Process interfacing via an automation system (PLC, PC)
Meaning
Link type
0x01: Logical "OR"
•
0x02: Logical "AND"
•
0x03: Logical "Exclusive OR"
•
0x04: no link
•
0x05: Logical "OR not"
•
0x06: Logical "AND not"
•
0x07: Logical "Exclusive OR not"
•
Logical signal for linking.
If the link type is 0x4, the parameter has no sig-
nificance.
0x00: Logical signal "IN_OP"
•
0x01: Logical signal "TRD"
•
0x02: Logical signal "RDY"
•
0x03: Logical signal "READ"
•
0x04: Logical signal "MATCH"
•
0x05: Logical signal "NOK"
•
Reserved. Must be "0x00" to maintain upwards
compatibility.
Reserved. Must be "0x00" to maintain upwards
compatibility.
RXREF
Data fetched from the reader:
Trigger and result string
•
Program number
•
Match string
•
9.3 Control with Ident profile
119