RFID Communications

Example

Writes 'A' (41H) to a single tag, starting at tag address 0005H for the next consecutive 40 bytes. The family code is set to 00H. A timeout of 2 seconds (07D0H = 2000 x 1 ms increments) is set for the completion of the command.

Command from Host

MSB

LSB

Remarks

AAH

94H

Perform Command 94

 

 

 

00H

00H

Family ID/Reserved

 

 

 

00H

05H

Start Address

 

 

 

00H

28H

Fill Length

 

 

 

07H

D0H

2-second Timeout

 

 

 

00H

01H

SN byte 0

 

 

 

00H

ACH

SN byte 1

 

 

 

00H

42H

SN byte 2

 

 

 

00H

D0H

SN byte 3

 

 

 

00H

00H

SN byte 4

 

 

 

00H

01H

SN byte 5

 

 

 

00H

04H

SN byte 6

 

 

 

00H

E0H

SN byte 7

 

 

 

00H

41H

Fill byte

 

 

 

FFH

FFH

Message Terminator

 

 

 

Response from Controller

MSB

LSB

Remarks

AAH

94H

Command Echo

 

 

 

FFH

FFH

Message Terminator

 

 

 

LRP2000 Passive Reader/Writer

84

Page 89
Image 89
Escort LRP2000 manual 00H 01H SN byte