Rockwell Automation 1775-KA PLC-3 Communication Adapter Module User Manual - Manual (Page 168)

Message Formats
Appendix A
AĆ6
23 0100011 # (none) 4D 1001101 M (none)
24 0100100 $ (none) 4E 1001110 N (none)
25 0100101 % (none) 4F 1001111 O (none)
26 0100110 & (none) 50 1010000 P (none)
27 0100111 ' (none) 51 1010001 Q (none)
28 0101000 ( (none) 52 1010010 R (none)
29 0101001 ) (none) 53 1010011 S (none)
54 1010100 T (none)
[1] Will be dislayed when Control Code Display option is set on.