User's Manual

Table Of Contents
6.2 ABx Error Codes
Non-Anticollision Error Codes
The LRP820 will return an error if it encounters a fault during operation.
Table 8 lists the possible error codes in Hexadecimal format.
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 register passed to
the PLC. The format of the error response is shown below.
A Block Write fail error message would appear as: AAFF 0006 FFFFH.
Copyright © 2000 Escort Memory Systems
44 LRP820-Series Long-Range Passive Reader/Writer
MSB LSB Remarks
AAH FFH Command Error
00H XXH Error Code
FFH FFH Message Terminator
Error Code Description
04H Fill Operation has failed
05H Block Read has failed
06H Block Write has failed
08H Search Tag Operation failed
21H Input Command does not match pre-defined format (syntax error)
Table 8 Non-Anticollision Error Codes