User Manual Part 2

RFID Interface
158
LRP820S-Series Long-Range Passive Reader/Writers
6.9 ABx Error Codes
Multi-tag Error Codes
The LRP2000 will return an error if it encounters a fault during
operation. Table 8 lists the possible error codes in Hexadecimal
format.
Error Code Description
04H Fill Operation has failed
05H Block Read has failed
06H Block Write has failed
07H Block Write security error
08H Search Tag Operation failed
21H Input Command does not match pre-
defined format (syntax error)
Additionally there are internal DSP errors, F1H through F5H, for use
by Escort Memory Systems technical support.
ABx Standard
ABxS error codes are returned in the LSB of the second word passed
to the host. The format of the error response is shown below.
MSB LSB Remarks
AAH FFH Command Error
00H XXH Error Code
FFH FFH Message Terminator
Example
A BlockWrite fail error message would appear as:
AAFF 0006 FFFFH.