Brooks LF80C - Page 55

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).