Siemens SIMATIC MV440 Operating Instructions Manual page 254

Process interfacing via an automation system (PLC, PC)
10.3 Control with FB 45 and Ident profile
Table 10- 13 Moby_CMD
Command
Table 10- 14 PIB_COMMAND
Parameter
CMD
OffsetBuffer
UID
Length
StartAddress
Table 10- 15 Command data area (FB45: Data DB, RFID standard profile: TXBUF or RXBUF)
Address
0x0000
0x0001
0x0002
0x0003
...
n + 2
n + 3
252
Sub_
[hex] Command
[hex]
01 -
Length Address_
[dez] MDS [hex]
Match 0
string
length
+ 3
Value
0x71
0x00
0x00
Match string length + 3
0x00
Value
0x03
0x00-0xFF
0x00-0xFF
DAT_DB_number DAT_DB_address
[dez]
Number of the Pointer to the start
data DB (for example
48)
Pointer to the user data to be sent to the
reader.
Meaning
Command identifier
"Write match string"
Match string length high byte
Match string length low byte
1. character of the match string
...
(n-1)th character of the match
string
nth character of the match string
SIMATIC MV420 / SIMATIC MV440
Operating Instructions, 04/2013, A5E02371045-06
[dez]
word
(for example 0)