User's Manual

5 OPERATION
44
Transponder Reader LF60 Gen2 (SECS1-Protocol), Release 0.2
ALARM STATUS
Format: A[1]
The value of the alarm status refers to the last reading process. If a
read or write error occurs, the alarm status is set. A successful read or
write resets the alarm status. When leaving maintenance mode, the
alarm status is also deleted.
0 : No alarm
1 : Alarm
Where used: S18F13
ALCD
Format: B[1]
Alarm code byte
Only the occurrence of a failure is reported. Failures will not be reset
on principle.
Bit 8 = 1: Alarm is set
Where used: S5F1
ALID
Format: B[1]
Alarm Identifier
0: No error
1: Auto read failed, the reader is engaged
2: External read failed, the reader is engaged
3: External write failed, the reader is engaged
4: No tag could be recognized when the sensor was covered or
carrier had been removed prematurely (sensor uncovered!)
5: Invalid command or parameter detected
6: Unknown error
7: Reserved
8: Parity- or checksum error detected
9: Unexpected confirmation was sent