User Manual Part 1

RFID Interface
76
LRP820S-Series Long-Range Passive Reader/Writers
Example
This example will read the 8-byte serial number from Tag Family 2. In
this example the ID for the found tag is 1E6E3CD200000000H in
hexadecimal. Multiple tags will return a complete response packet for
each tag.
Command from host Response from controller
MSB LSB Remarks MSB LSB Remarks
AAH 87H Perform Command 87 AAH 87H Command Echo
01H 00H Family ID/Reserved 00H 1EH First SN byte
07H D0H Timeout 00H 6EH Second SN byte
FFH FFH Message Terminator 00H 3CH Third SN byte
00H D2H Fourth SN byte
00H 00H Fifth SN byte
00H 00H Sixth SN byte
00H 00H Seventh SN byte
00H 00H Eighth SN byte
FFH FFH Message
Terminator
AAH FFH Termination
packet
01H 08H Ntags/Status
FFH FFH Message
Terminator