Brooks LF80C - Page 151

Brooks Automation
278580 Revision A 139
LF80C ZeniD RFID Reader 7 Operation
Product Manual 7.3 Operation of SECS Protocol
The reader detects a wrong TARGETID
Host to Reader: S18F5
13:44:33 Outgoing: ENQ ( 05 )
13:44:33 Incoming: EOT ( 04 )
13:44:33 Outgoing: Length Byte ( 1A )
13:44:33 Outgoing: Header ( 01 FF 92 05 80 01 00 00 00 40 )
13:44:33 Outgoing: Data
01 03
41 04 30 30 30 30 → TARGETID "0000"
41 02 30 31 → DATASEG "01"
A9 02 00 08 → DATALENGTH 0x08
13:44:33 Outgoing: Checksum ( B8 02 )
13:44:33 Incoming: ACK ( 06 )
Reader to Host: S18F6
13:44:33 Incoming: ENQ ( 05 )
13:44:33 Outgoing: EOT ( 04 )
13:44:33 Incoming: Length Byte ( 18 )
13:44:33 Incoming: Header ( 81 FF 12 06 80 01 00 00 00 40 )
13:44:33 Incoming: Data
01 03
41 04 31 32 33 34 → TARGETID "1234"
41 02 43 45 → SSACK "CE"
41 00 → DATA ""
13:44:33 Incoming: Checksum ( 04 78 )
13:44:33 Outgoing: ACK ( 06 )
The TARGETID in the S18F5 message does not correspond to the TARGETID
in the reader detecting the error. The reader therefore answers with a
communication error "CE".