RFID Guidelines

^RT

^RT

Read Tag

Description The ^RT command tells the printer to read the current RFID tag data. The data can be sent back to the host via the ^HV command.

Format ^RT#,b,n,f,r,m,s

The following table identifies the parameters for this format.

Parameters

Details

# = number to be

Accepted values: 0 to 9999

assigned to the field

Default value: 0

b= starting block number Accepted values: 0 to n, where n is the maximum number of blocks for the tag. Default value: 0

n= number of blocks Accepted values: 1 to n, where n is the maximum number of blocks minus the

 

to read*

starting block number. For example, if the tag has 8 blocks (starting with

 

 

block 0) and you start with block 6, n can be 2. This would give you block 6 and

 

 

block 7 information.

 

 

Default value: 1

 

 

 

f

= format

Accepted values:

 

 

0 (ASCII)

 

 

1 (Hexadecimal)

 

 

Default value: 0

 

 

 

r

= number of retries

Accepted values: 0 to 10

 

 

Default value: 0

m

= motion

Accepted values:

 

 

• 0 (Feed label after writing.)

 

 

• 1 (No Feed after writing. Other ZPL may cause a feed.)

 

 

Default value: 0

 

 

 

s

= special mode

For EPC Class 1 (Alien reader) only. Not applicable for EPC class 0.

 

 

Default value: 0 (Do not read if mismatched checksum.)

 

 

Accepted values: 1 (Read even if mismatched checksum.)

*Not applicable for R110XiIIIplus

Example • This sample reads a tag, prints the data on a label, and sends the string

Tag Data:xxxxxxxx back to the host. The data read will go into the ^FN1 location of the format. The printer will retry the command five times, if necessary.

^XA

^FO20,120^A0N,60^FN1^FS

^RT1,,,,5^FS ^HV1,,Tag Data:^FS ^XZ

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RXiIIIPlus User Guide

6/21/2004 23063L-001 Rev. 2