Delta AH500 - Page 549

Chapter 6 Applied Instructions
6-381
 Numeric keys:
0
1
2
3
4
5
6
7
8
9
D0
3 2 1 0
Kyes
Overflowing
A
B
C
D
E
F
16 16 16 16
 If SM691 is OFF, A~F are taken as function keys in the execution of the instruction HKY.
 Numeric keys:
0 1
2
3 4
5
6 7
8 9
Binary-coded
decimal value
Binary
value
Binary-coded
decimal value
One-digit binary-coded
decimal code
D0
10
3
10
2
10
1
10
0
Numeric keys
Overflowing
 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.
F
E D C B A
M2M3M4M5 M0M1
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.