Zebra XiIIIPlus User Manual download pdf (Page 87)

RFID Guidelines

ZPL II Commands for RFID

23063L-001 Rev. 2 6/21/2004 RXiIIIPlus User Guide 63

ZPL II Commands for RFID

Printing and encoding (writing) of “smart” labels is handled through the use of Zebra

Programming Language (ZPL). Each transponder has memory that can be read from through

ZPL commands, and most transponders have memory that can be written to. The printer

divides the ZPL commands that it receives into two categories: RFID and non-RFID (such as

the printing commands for bar codes or human-readable text). The RFID commands are

executed first.

ZPL commands also provide for exception handling, such as setting the number of read/write

retries before declaring a transponder defective. For example, if an RFID transponder fails to

program correctly or cannot be detected, the printer ejects it and prints the word “VOID”

across the label. This process continues for the number of RFID tags specified by the

^RS

command using the same data and format.

The following pages provide the ZPL II commands that can be used for RFID applications.

Important • If a parameter is designated as not applicable, any value entered for the parameter

will be ignored, but the place holder for the field is required.

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Zebra XiIIIPlus User Manual Page 87