User Manual Part 2

RFID Interface
130
LRP820S-Series Long-Range Passive Reader/Writers
Example
This example will read the 8-Byte serial number from all tags
permitted by the Family ID and Reserved . In this example, one tag
responds and the serial number is 1E6E3DC200000000H
Command from host Response from controller
Field Content Field Content
Header 0202H Header 0202H
Command Size 0005H Response Size 0009H
Command Code 87H Command Echo 87H
Family ID 00H SN Byte 1 F2H
Reserved 01H SN Byte 2 75H
Timeout 07D0H SN Byte 3 03H
Checksum 9BH SN Byte 4 00H
Terminator 03H SN Byte 5 00H
SN Byte 6 00H
SN Byte 7 04H
SN Byte 8 E0H
Checksum E4H
Termi na to r 03H
Header 0202H
Response Size 0003H
Command
Status
FFH
Number of Tags 01H
Status Byte 08H
Checksum F4H
Termi na to r 03H