IDEC MICROSmart FC6A Series

FC6A S ERIES MICROS MART L ADDER P ROGRAMMING M ANUAL FC9Y-B1726 7-3
7: B INARY A RITHMETIC I NSTRUCTIONS
Examples: ADD
•Data Type: Word
This example demonstrates the use of a carry signal from special internal relay M8003 to set an alarm signal.
• Data Type: Integer
•Data Type: Double Word
• Data Type: Long
•Data Type: Float
Example: SUB
•Data Type: Word
The following example demonstrates the use of special internal relay M8003 to process a borrow.
I0
REPS2 –
500
D1 –
D2
SOTU
M8003
I1
Acknowledge
Pushbutton
S1 –
D2
ADD(W)
Q0
S
Q0
R
D2 + 500 → D2
When a carry occurs, output Q0 is assigned as a warning indicator.
When the acknowledge pushbutton (input I1) is pressed, the warning
indicator is reset.
I0
REPS2 –
D20
D1 –
D30
S1 –
D10
ADD(I)
–4
D10 +
–15
D30
–11
D20
+1957400
D10·D11
4112600
D20·D21
6070000
D30·D31
I0
REPS2 –
D20
D1 –
D30
S1 –
D10
ADD(D)
+216283
D10·D11
–964355
D20·D21
–748072
D30·D31
I0
REPS2 –
D20
D1 –
D30
S1 –
D10
ADD(L)
+1.414
D10·D11
3.14
D20·D21
4.554
D30·D31
I0
REPS2 –
D20
D1 –
D30
S1 –
D10
ADD(F)
D12 – 7000 → D12
Borrow is processed so that the number of times a borrow
occurs is subtracted from D13.
When a borrow occurs, D13 is decremented by one.
I0
SOTU
M8003
REPS2 –
7000
D1 –
D12
S1 –
D12
SUB(W)
REPS2 –
1
D1 –
D13
S1 –
D13
SUB(W)