Siemens SIMATIC MV540 H - PHYSICAL READ Commands

Process interfacing via an automation system (PLC, PC)
9.3 Control with Ident profile
SIMATIC MV500
Operating Instructions, 06/2018, C79000-G8976-C494-01
119
Address
Value
Meaning
0x0003 0x01 ... 0x07 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"
0x0004 0x00 ... 0x05 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"
0x0005 0x00 Reserved. Must be "0x00" to maintain upwards
compatibility.
0x0006 0x00 Reserved. Must be "0x00" to maintain upwards
compatibility.
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
BUFFER
ADDR_TA
G
LEN_DATA
RXREF
0x70 Offset in
the
"TXREF"
send
buffer
0x0000 Length of the data to be fetched from
the reader:
Data fetched from the reader:
• ≥ code length +2 • Trigger and result string
• = 01 • Program number
• ≥ match string length +2 • Match string