Write - Siemens SIMATIC RF650R Configuration Manual

Programming via SIMATIC controller
8.5 Programming Ident blocks
8.5.1.2

Write

The "Write" block writes the user data from the "IDENT_DATA" buffer to the transponder to
memory bank 3 (USER area). The physical address and the length of the data are
transferred using the "ADR_TAG" and "LEN_DATA" parameters. Specific access to a certain
transponder takes place with the optional "EPCID_UID" and "LEN_ID" parameters.
Figure 8-7
Table 8- 4
Parameter
ADR_TAG
LEN_DATA
LEN_ID
EPCID_UID
IDENT_DATA
120
"Write" block
Explanation of the "Write" block
Data type
DWord
Word
Byte
Array[1...62] of
Byte
Any / Variant
Default values Description
DW#16#0 Physical address on the transponder
where the write starts.
W#16#0 Length of the data to be written
B#16#0 Length of the EPC-ID/UID
Default value: 0x00 ≙ unspecified
single tag access (RF680R, RF685R)
0 Buffer for up to 62 bytes EPC-ID
2 - 62-byte EPC-ID is entered at the
start of the buffer (length is set by
"LEN_ID")
0 Data buffer with the data to be written.
Note:
For Variant, currently only an "Ar-
ray_of_Byte" with a variable length
can be created. For Any, other data
types/UDTs can also be created.
Configuration Manual, 03/2018, C79000-G8976-C386-06
SIMATIC RF650R/RF680R/RF685R