Siemens SIMATIC MV440 - Page 254

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