User's Manual Part 2

RFID Guidelines
Creating Basic RFID Label Formats
58981L-002 Rev. 1 2/11/05 R110PAX4 User Guide 93
RFID Label Format 6—Write Tag, Read Tag, and Return Results
to Host
Programmed to Transponder
0102030405000000
Read from Transponder
0102030405000000
Resulting Label
Line
Number
Type This ZPL Code Function of ZPL Code
1
^XA
Indicates start of label format.
2
^RS3
Sets tag type to EPC Class 1 64-bit.
3
^FO50,50
^A0N,65
^FN3
^FS
When the label prints, the data read from the tag at
field variable 3 (
^FN3) will be printed at location
50,50.
4
^RFW,H
^FD0102030405
^FS
W,H = write hex
Writes 8 bytes of data (64 bits) to the tag with 3 bytes
of zeroes as padding. The data written is:
0102030405000000
5
^FN3
^RFR,H
^FS
R,H = read hexadecimal
Reads the tag data into field variable 3 (
^FN3).
After this occurs, any fields in this label format that
have
^FN3 will be replaced with this read data.
6
^HV3
Return the value in ^FN3 to the host computer. Data
is sent over whichever communication channel is
established with the host (such as parallel, serial,
USB, ethernet) In this example, 0102030405000000
would be returned to the host.
7
^XZ
Indicates end of label format.
0102030405000000