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Technical information
RFU6xx FB for
GX Works 2 (PNDP)
Page 29
The read tag functi
on is completed as soon as bit “ReqDone” = TRUE. The parameter
Mode_UII shows the UII of the selected transponder.
The tag content is available in array "ReadTag_Data" of the
“stRFUData” variable. The
"ReadTag_DataLength" variable specifies how many words have been received and valid.
Figure 22: Read tag content
Please note that the first byte of the word (LSB) contains the first data byte of the RFID tag.
Figure 23: TAG content from the SOPAS view
Note
In the example program, this data will be converted automatically into an
ASCII string.