Parameter assignment and configuration
4.4 Ident instructions
Communications module RF120C with application blocks for S7-1200 and S7-1500
38
Operating Instructions, 07/2013, C79000-G8976-C328-01
4.4.4
Read_EPC-ID
The "Read_EPC-ID" block reads the EPC-ID of the RF600 transponder. The length of the
EPC-ID to be read out is specified by the "LEN_DATA" parameter. The block is intended
only for single tag mode.
Figure 4-12 "Read_EPC-ID" function block
Table 4- 17 Explanation of the "Read_EPC-ID" function block
Parameter
Data type
Description
LEN_DATA
INT
Length of the EPC-ID to be read out (1 ... 62
bytes)
IDENT_DATA
Array [1...1024] of
Byte
Data buffer in which the read EPC-ID is stored.
4.4.5
Write_EPC-ID
The "Write_EPC-ID" block overwrites the EPC-ID of the RF600 transponder. The length of
the EPC-ID to be written is specified by the "LEN_DATA" parameter. The block is intended
only for single tag mode.
Figure 4-13 "Write_EPC-ID" function block