7 Application Instructions API 50-99 2. Key in numbers: 0 1 2 3 4 5 6 7 8 9 number key 1-digit BCD code BCD value overflow BCD value BIN value D0 3. Function keys input: a) When A is pressed, M0 will be On and retained. When D is pressed next, M0 will be Off, M3 will be On and F E D C B A retained. b) When many keys are pressed at the same time, the first key pressed has the priority. 4. Key output signal: a) When any of A ~ F is pressed, M6 will be On for once. b) When any of 0 ~ 9 is pressed, M7 will be On for once. 5. When X4 goes Off, the keyed-in value prior to D0 will remain unchanged, but M0 ~ M7 will all be Off. 6. External wiring:
F B 7 3 PLC (transistor output) DVP-PLC APPLICATION MANUAL 7-77 103 102 101 100 M5 M4 M3 M2 M1 M0 C D E 8 9 A 4 5 6 0 1 2 24G +24V S/S X10 X1 1 X1 2 X1 C Y10 Y1 1 Y1 2 Y13