Siemens SIMATIC Ident Function Manual page 90

Configuring the instructions
4.6 Programming the Ident profile
Structure of the configuration data attachment of "WRITE-CONFIG"
Table 4- 74 MV400 when "CONFIG = 0x03"; "LEN_DATA = 0x10"
Byte 1 2...5
Value 0x04 0x00
0x00: "INIT" without program selection
1)
0x01 ... 0x0F: Number of the program to be started ("INIT" with program selection)
The "PHYSICAL-WRITE" command
The optical reader systems MV400/MV500 have further commands that can be
transferred with the "PHYSICAL-WRITE" command.
Table 4- 75 PHYSICAL-WRITE
CMD OFFSET ADDR_T
BUFFER AG
0x71 Offset in 0x0000
the
"TXREF"
send
buffer
Table 4- 76 Command data area "TXREF" command identifier 0x01 (program change)
Address
0x0000
0x0001
Table 4- 77 Command data area "TXREF" command identifier 0x02 (activate read program num-
Address
0x0000
90
6 7...8 9
0x0A 0x00 0x00
LEN_DATA
Length of data to be sent to the
reader:
• 0x02
• 0x01
• Match string length + 3
• 0x01
• 0x01
• 0x01
• Total length of the XMATCH
user data + 4
• 0x07
Value
0x01
0x00 ... 0x0F
ber)
Value
0x02
10 11 12 ... 13 14
0x25 0x02 0x00
TXREF
Sub command with data to be sent to the
reader. The first "SINT" contains the com-
mand identifier:
• 0x01 = Program change
• 0x02 = Activate read program number
• 0x03 = Write match string
• 0x04 = Activate read match string
• 0x05 = Set DISA bit
• 0x06 = Reset DISA bit
• 0x07 = Write trigger-synchronized match
string (XMATCH)
• 0x08 = Set Digital Out
Meaning
"Program change" command identifier
Number of the program
Meaning
"Read program number" command identifier
Ident profile, Add-on instruction for Rockwell systems
Function Manual, 07/2020, C79000-G8976-C410-04
15 16
0x01 0x00 0x00 ... 0x0F
1)