Brooks Automation
278580 Revision A
43
LF80C ZeniD RFID Reader
7 Operation
Product Manual
7.2 Operation of the ASC-I1 Protocol
End of package
The end of the package includes an end character (one character) and a
checksum (four characters).
End of package
End
Checksum 1
Checksum 2
Checksum 3
Checksum 4
End
End character ASCII character no. 13
(hexadecimal 0D)
Checksum 1
High byte - XOR logic of all data (package header,
message and end character);
ASCII '0'..'F'
Checksum 2
Low byte - XOR logic of all data (package header,
message and end character);
ASCII '0'..'F'
Checksum 3
High byte - addition of all data (package header,
message and end character);
ASCII '0'..'F'
Checksum 4
Low byte - addition of all data (package header, message
and end character);
ASCII '0'..'F'
ATTENTION
When using the TCP/IP interface option, the checksum is not used (is
not transmitted).
