Delta AH500 Programming Manual page 549


Numeric keys:
Ov erflowi ng

If SM691 is OFF, A~F are taken as function keys in the execution of the instruction HKY.

Numeric keys:
Ov erflowi ng

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.
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.
2
0 1 3 4 5 6 7 8
3 2 1
16 16 16
D0
0 1 2 3 4 5 6
Bina ry -c oded
dec imal v alue
3 2 1
10 10 10
Bina ry -c oded
dec imal v alue
Binary
value
F E D C
M5 M4 M3 M2
Ch a pt er 6 Ap p l i ed I ns t r uc t i ons
Kyes
9 A B C D E F
0
16
Numeric keys
7 8 9
One- di gi t binary- coded
decimal code
0
10
D0
B A
M1 M0
6 - 3 8 1