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T1/T1S User’s Manual
7. Instructions
FUN 032
D
-
Double-word subtraction
Expression
Input
-
[
A+1
×
A
D
-
B+1
×
B
®
C+1
×
C
]
-
Output
Function
When the input is ON, the double-word data of
B+1
×
B
is subtracted from
A+1
×
A
, and the result is
stored in
C+1
×
C
. The data range is -2147483648 to 2147483647.
If the result is greater than 2147483647, the upper limit value 2147483647 is stored in
C+1
×
C
, and the
output is turned ON. If the result is smaller than -2147483648, the lower limit value
-2147483648 is stored in
C+1
×
C
, and the output is turned ON.
Execution condition
Input Operation Output
OFF No execution OFF
ON Execution (normal) OFF
Execution (overflow or underflow occurred) ON
Operand
Name Device Re
g
ister Constant Index
X Y R S T. C. XW YW RW SW T C D I J K
A
Minuend
ÖÖÖÖÖÖÖ Ö
B
Subtrahend
ÖÖÖÖÖÖÖ Ö
C
Difference
ÖÖÖÖÖÖ
Example
When R005 is ON, the double-word data of RW25
×
RW24 is subtracted from the double-word data
of D0101
×
D0100, and the result is stored in D0103
×
D0102.
If the data of D0101
×
D0100 is 1580000 and the data of RW25
×
RW24 is 80000, the result 1500000
is stored in D0103
×
D0102, and R010 is turned OFF. (No overflow/underflow)
D0101
×
D0100 1580000
-
D0103
×
D0102 1500000 R010 is OFF
RW25
×
RW24 80000
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