AH500 Programming Manual Numeric keys: 0 1 2 3 4 5 6 7 8 9 A B C D E F Kyes Overflowing 16 16 16 16 3 2 1 0 If SM691 is OFF, A~F are taken as function keys in the execution of the instruction HKY. Numeric keys: D0 0 1 2 3 4 5 6 7 8 9 Numeric keys Binary-coded decimal value One-digit binary-coded decimal code Overflowing 10 3 10 2 10 1 10 0 Binary-coded decimal value Function keys: When A is pressed, M0 keeps ON. When D is pressed, M0 is switched OFF, and M3 keeps ON. If several function keys are pressed, the key which is pressed first has priority. Binary value D0 F E D C B A 2. Output signals: When a key within the range between A and F is pressed, M6 is ON.
When a key within the range between 0 and 9 is pressed, M7 is ON. 3. When the conditional contact X1.0 is switched OFF, the value which was stored in D0 is unchanged. However, M0~M7 are switched OFF. 6-382 M5 M4 M3 M2 M1 M0