Printronix SL4M Reference Manual
Read Tag
71
RFID ZGL Commands
IMPORTANT
For all examples make sure Label Length in the QUICK SETUP
menu matches the physical length of the installed media.
menu matches the physical length of the installed media.
Read Tag
Purpose
This command allows data from the RFID tag
(embedded in the smart label) to merge into any
previously defined dynamic data field. It is equivalent to
the Field Number command (^FN) except that the data
come from the RFID tag.
(embedded in the smart label) to merge into any
previously defined dynamic data field. It is equivalent to
the Field Number command (^FN) except that the data
come from the RFID tag.
Format
^RT
x, start, length, hex, retries, motion, reserved
^RT
Read Tag command.
x
Specified Field Number (value assigned to
the field). The default is 0. The acceptable
value range is 0 to 9999.
the field). The default is 0. The acceptable
value range is 0 to 9999.
start
Location where data will be read from the
RFID tag. The ZGL only supports Alien
Technology Class 1a tags, which have
only one 8–byte or 12–byte block.
Therefore,
RFID tag. The ZGL only supports Alien
Technology Class 1a tags, which have
only one 8–byte or 12–byte block.
Therefore,
start will be set to 0, regardless
of the specified value.
length
The number of blocks to be read from the
RFID tag. The ZGL only supports Alien
Technology Class 1a tags, which have
only one 8–byte or 12–byte block.
Therefore,
RFID tag. The ZGL only supports Alien
Technology Class 1a tags, which have
only one 8–byte or 12–byte block.
Therefore,
length will be set to 1,
regardless of the specified value.
hex
This flag indicates whether the data, after
being read from the RFID tag, should be
translated into hexadecimal format. The
default is 0, meaning the data will not be
translated. The other acceptable value is
1, meaning the data will be translated into
hexadecimal format.
being read from the RFID tag, should be
translated into hexadecimal format. The
default is 0, meaning the data will not be
translated. The other acceptable value is
1, meaning the data will be translated into
hexadecimal format.
retries
The number of automatic attempts to read
data from the tag if previous reads failed.
The ZGL absorbs the number and uses
the value on the control panel’s LCD.
data from the tag if previous reads failed.
The ZGL absorbs the number and uses
the value on the control panel’s LCD.