Printronix SL4M Reference Manual

Page of 112
Chapter 2
RFID PGL Commands
70
(D) with any printable character, except the 
SFCC and “/” (the slash character).
datafield
The static data of the RFWRITE field.
NOTE: RFWRITE fields are not expandable in VDUP and/or 
HDUP sections.
Read Tag
IMPORTANT
This command is still supported but no longer in development. 
We recommend you develop your application using the 
RFRTAG command as defined on page 61
.
Read Tag is not a command, but an element of the ALPHA and 
BARCODE commands. See “Alphanumerics” and “Bar Codes” in 
the 
IGP/PGL Programmer’s Reference Manual for more 
information.
Purpose
Embed RFID data into an ALPHA or BARCODE data 
field.
Format
<RDI>
position,length[,format];
<RDI>
The RFID Data Indicator character, as 
defined by the RFREAD parameter in the 
ALPHA or BARCODE commands. See the 
ALPHA and/or BARCODE command 
description for details.
position
The decimal number that specifies the 
starting position of the data inside the 
transponder.
length
The decimal number that specifies the 
length of the data to be read.
format
Replace the optional 
format parameter 
with any non-zero number to convert the 
data to hexadecimal format.