Programming via SIMATIC controller
8.5 Programming Ident blocks
SIMATIC RF650R/RF680R/RF685R
134 Configuration Manual, 03/2018, C79000-G8976-C386-06
The "Write_EPC_ID" block overwrites the EPC-ID of the RF600 transponder and adapts the
length of the EPC-ID in the memory of the transponder. The new EPC-ID length to be written
is specified with the "LEN_ID_NEW" parameter and the previous EPC-ID is specified using
the "LEN_ID" and "EPCID_UID" parameters.
Make sure that when you execute the block only one transponder is located in the antenna
field. This ensures that the identification when writing the ID is unique. If there is more than
one transponder in the antenna field, a negative response is returned.
Figure 8-16 "Write_EPC_ID" block
Table 8- 17 Explanation of the "Write_EPC_ID" block
Length of the current EPC-ID
Length of the previous EPC-ID
EPCID_UID Array[1...62] of
0 Previous EPC ID
IDENT_DATA Any / Variant 0 Current EPC ID
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.
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