Siemens SIMATIC MV500 Operating Instructions Manual page 164

Process interfacing via an automation system (PLC, PC)
9.3 Control with Ident profile
The "PHYSICAL WRITE" command must specify the length "0x07" ("CMD_STRUCT.LEN_DATA =
0x07"); otherwise, the command receives a negative acknowledgment.
Table 9- 22
Parameter
CMD
OFFSETBUFFER
EPCID_UID
LEN_DATA
ADDR_TAG
Table 9- 23
Address
0x0000
0x0001
0x0002
0x0003
0x0004
0x0005
0x0006
164
CMD_STRUCT
Value
0x71
0x00
0x00
0x07
0x00
Memory area of the receive data (TXREF or RXREF)
Value
0x08
0x01 ... 0x04
0x00 ... 0x02
0x01 ... 0x07
0x00 ... 0x05
0x00
0x00
Meaning
Command identifier "Set digital out".
Number of the logical external signal. Corre-
sponds to "EXT_1", "EXT_2", "EXT_3" and "EXT_4".
Level of the signal
• 0x00: Set level statically to "low".
• 0x01: Set level statically to "high".
• 0x02: Set level for configured pulse time to
"high".
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 signif-
icance.
• 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.
Operating Instructions, 03/2021, C79000-G8976-C494-05
SIMATIC MV500