Delta Electronics Programmable Logic Controller DVP-PLC - Manual (Page 346)

7 Application Instructions API 50-99
D V P - P L C A P P L I C AT I O N M A N U A L 7-62
2. Key in numbers:
0 1 2 3 4 5 6 7 8 9
D0
10 3 10 2 10 1 10 0
number key
1-digit BCD code BCD value
BCD value
BIN value
overflow
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
retained.
b) When many keys are pressed at the same time, the
first key pressed has the priority.
F E D C B A
M5 M4 M3 M2 M1 M0
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:
Y13 Y12 Y11 Y10 C
X13 X12 X11 X10 S/S
C D E F
8 9 A B
4 5 6 7
0 1 2 3
PLC (transistor output)
+24V 24G