Rockwell Automation 2755-DM9, -DM9E High Speed Decoder - Manual (Page 155)

Appendix F
Transmission Check
F–2
Transmission Check Codes
ASCII
CHARACTER
HEX
VALUE
BINARY
VALUE
*
¤
A
B
C
¤
¤
CR
LF
I
SOH
s
s
SOH
2A
24
41
42
43
24
24
OD
OA
49
01
73
73
01
0010 1010
0010 0100
0100 0001
0100 0010
0100 0011
0010 0100
0010 0100
0000 1101
0000 1010
0100 1001
0000 0001
0111 0011
0111 0011
0000 0001
LRC CHECK
CHECKSUM
MSB
CHECKSUM
LSB
Note: The sum of all the bytes in the message is 173 (hex). Checksums are
transmitted in a sixteen bit format. The value 01 (hex) is equivalent to the
ASCII control code SOH, 49 (hex) is equivalent to the ASCII character I,
and 73 (hex) is equivalent to the ASCII character “s” (refer to Appendix C).