User's Manual

Table Of Contents
EXAMPLE:
Writes 4 bytes of data to the tag starting at address 0000H. A timeout of 2
seconds (07D0H = 2000 x 1 msec increments) is set for the completion of
the SN Block Write.
Copyright © 2000 Escort Memory Systems
LRP820-Series Long-Range Passive Reader/Writer
133
Command from Host
Field Contents
Header
<STX><STX>
02H
02H
Command Size 00H
15H
Command Code 96H
Family ID 03H
Anticollision Index 03H
Start address 00H
00H
Block Size 00H
04H
Timeout,
2 seconds
07H
D0H
SN byte 1 ADH
SN byte 2 23H
SN byte 3 81H
SN byte 4 1DH
SN byte 5 C3H
SN byte 6 66H
SN byte 7 78H
SN byte 8 21H
Data to write to
address 0000H
52H
Data to write to
address 0001H
46H
Data to write to
address 0002H
49H
Data to write to
address 0003H
44H
Checksum 1EH
Terminators <ETX> 03H
Response from LRP820
Field Contents
Header
<STX><STX>
02H
02H
Response Size 00H
03H
Command Echo 96H
Number of tags 01H
Status byte 00H
Checksum 65H
Terminators <ETX> 03H