7 Application Instructions API 50-99 2. When M1161 = On, every ASCII code converted from the letters will occupy the lower 8 bits (b7 ~ b0) of a register. The upper 8 bits are invalid (filled by 0). One register stores a letter. b15 b0 D0 D2 D1 D4 D3 D5 D6 D7 Lower 8 bits Upper 8 bits DVP-PLC APPLICATION MANUAL 7-89 00 H 41H (A) 00 H 42H (B) 00 H 43H (C) 00 H 44H (D) 00 H 45H (E) 00 H 46H (F) 00 H 47H (G) 00 H 48H (H)