RFID Communications

Example

This example locks blocks 0-2 on all tags-in-field with the family code of 02H. Two tags are found and locked.

Command from Host

Field

Content

Header

0202H

 

 

Command Size

0007H

 

 

Command Code

91H

 

 

Family ID

02H

 

 

Reserved

00H

 

 

Timeout

07D0H

 

 

First block

00H

 

 

Number of blocks

03H

 

 

Checksum

91H

 

 

Terminator

03H

 

 

Response from Controller

Field

Content

Header

0202H

 

 

Response Size

0003H

 

 

Command Echo

91H

 

 

Number of Tags

02H

 

 

Status Byte

08H

 

 

Checksum

64H

 

 

Terminator

03H

 

 

6.5.19 ABxF Command 8BH: Write Family Code All

DESCRIPTION

Command 8BH can be used to write the family code of all tags in the field. It can also be used to selectively rewrite the family codes of tags with family codes already set to a particular value.

Field

Content

Header

0202H

 

 

Command Size

Command length in bytes excluding the header, command size, checksum, and terminator bytes.

 

06H for this command.

 

 

Command

8BH

 

 

Current Family Code

Tag Family ID - 00H = all tags used to select which tags are addressed

 

 

Reserved

Ignored byte, set to 00H

 

 

Timeout

Timeout value given in 1 ms units

 

 

New Family Code

Value that is written to the family codes of all the addressed tags

 

 

Checksum

Optional checksum

 

 

Message Terminator

03H

 

 

115

LRP2000 Passive Reader/Writer

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Escort LRP2000 manual ABxF Command 8BH Write Family Code All, 115