User Manual Part 2

RFID Interface
LRP2000 Long Range Passice Reader/Writer
121
Example
Starts continuous read of three Bytes starting at address two, Repeat
count of four, with the family code set to 00H, so that all tags in the
field will respond.
Command from host Response from controller
Field Content Field Content
Header 0202H Header 0202H
Command Size 0008H Response Size 0001H
Command Code 83H Command Echo 83H
Family Code 00H Checksum 7BH
Reserved 00H Te rm i nato r 03H
Start Address 0002H
Number of
Bytes
0003H
Repeat Count 04H
Start 01H
Checksum 6AH
Terminator 03H
After the controller sends the acknowledgement, it will send the data
read from the tags in the field
Response from controller
Field Content
Header 0202H
Response Size 000BH
Command Echo/Tag 1 83H
Data from address 0002H AAH
Data from address 0003H 21H
Data from address 0004H 44H
Checksum 62H
Terminator 03H