Zebra Technologies radio frequency identification (rfid) User Manual
107
ZPL II Commands for RFID
^RR
11/14/2008
RFID Programming Guide
58978L-008 Rev. A
^RR
Specify RFID Retries for a Block
Description Use this command to change the number of times that the printer attempts to
read or write to a particular block of a single RFID tag. By default, the printer will attempt six
retries. This command is persistent and will be used in subsequent formats if not provided.
read or write to a particular block of a single RFID tag. By default, the printer will attempt six
retries. This command is persistent and will be used in subsequent formats if not provided.
Format ^RRn
This table identifies the parameters for this format.
Important •
This command is not supported by all printers or firmware. See
for the list of printers and firmware with which you can
use this command.
Note •
This command’s function is different than the “number of labels” parameter in the
^RS
command.
Parameters
Details
n
= number of retries
Accepted Values:
0
to
10
Default Value:
0
Example 1 •
This example sets read block retries to 5.
^XA
^FN1^RR5^RFR,H^FS
^HV1^FS
^XZ
^FN1^RR5^RFR,H^FS
^HV1^FS
^XZ
Example 2 •
This example sets write block retries to 2.
^XA
^RR2^RFW,H^FD1234^FS
^XZ
^RR2^RFW,H^FD1234^FS
^XZ