Siemens SIMATIC Ident - Page 100

Setting parameters for blocks
3.5 Programming the Ident profile
Ident profile and Ident blocks, standard function for Ident systems
100 Function Manual, 10/2018, C79000-G8976-C387-04
The "PHYSICAL-WRITE" command
The optical reader systems MV400/MV500 have further commands that can be transferred
with the "PHYSICAL-WRITE" command.
Table 3- 78 PHYSICAL-WRITE
CMD
OFFSET
BUFFER
ADDR_TA
G
LEN_DATA
TXREF
0x71 Offset in
the
"TXREF"
send
buffer
0x0000 Length of data to be sent to the read-
er:
Sub command with data to be sent to the read-
er. The first "SINT" contains the command
identifier:
• 0x02 • 0x01 = Program change
• 0x01 • 0x02 = Activate read program number
• Match string length + 3 • 0x03 = Write match string
• 0x01 • 0x04 = Activate read match string
• 0x01 • 0x05 = Set DISA bit
• 0x01 • 0x06 = Reset DISA bit
• Total length of the XMATCH user
data + 4
• 0x07 = Write trigger-synchronized match
string (XMATCH)
• 0x07 • 0x08 = Set Digital Out
Table 3- 79 Command data area "TXREF" command identifier 0x01 (program change)
Address
Value
Meaning
0x0000 0x01 "Program change" command identifier
0x0001
0x00 ... 0x0F
Number of the program
Table 3- 80 Command data area "TXREF" command identifier 0x02 (activate read program number)
Address
Value
Meaning
0x0000
0x02
"Read program number" command identifier