User's Manual

Table Of Contents
ABx Fast
The format of the error response is shown below.
A Block Write fail error message would appear as: 0202 0002 FF06 F803H.
ABx ASCII
The format of the error response is shown below.
In ABx ASCII format the response size is the number of hex values and not
the number of ASCII characters used to represent the hex value.
A Block Write fail error message would appear as an ASCII character
string: <STX><STX>0002FF06F8<ETX>.
In hexadecimal the commands appears as:
02H 02H 30H 30H 30H 32H 46H 46H 30H 36H 46H 38H 03H
Copyright © 2000 Escort Memory Systems
LRP820-Series Long-Range Passive Reader/Writer
45
Field Bytes Contents
Header
<STX><STX>
02H
02H
Response Size 00H
02H
Error Flag FFH
Error Code XXH
Checksum XXH
Terminators <ETX> 03H
Field # of ASCII
characters
Contents
Header
<STX><STX> 2
<STX> 02H
<STX> 02H
Response Size 4 Packet length in bytes excluding the header, response size,
checksum and terminator bytes
Error Flag 2 FFH
Error Code 2 XXH - see Table 7 for details
Checksum 2 XXH - optional checksum
Terminators <ETX> 1 <ETX> 03H