Rockwell Automation 2706-LSW DL40 PLUS OFFLINE PROG.SFTWR.USER MANUAL - Manual (Page 130)

ASCII Character Sets C–3
Publication 2706-6.2
Cyrillic Character Set
The DL40 Plus Dataliner supports both Cyrillic and English alphabet
characters. The Cyrillic characters include the 32 standard Cyrillic
alphabetic characters. The English characters include the standard 26
English alphabet characters, numbers, and punctuation marks. Refer to
the Cyrillic character reference chart that follows for keycode
assignments.