Delta-electronics Programmable Logic Controller DVP-PLC Manuale Utente Pagina 346

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7 Application Instructions API 50-99
DVP-PLC APPLICATION MANUAL
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
Y12Y11
Y10
C
X13
X12X11
X10
S/S
CDEF
89AB
4567
0123
PLC (transistor output)
+24V
24G
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