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7-257
COSD(P)
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7.12 Special function instructions
7.12.4 COS operation on floating-point data (Double precision) (COSD(P))
Program Example
(1) The following program performs a COS operation on the angle data designated by the 4
BCD digits from X20 to X2F, and stores results as 64-bit floating decimal point type real
numbers at D0 to D3.
[Ladder Mode]
[List Mode]
[Operations involved when X20 to X2F designate a value of 60]
Inputs an angle used for
COS operation ( ).
Converts the input angle into a
64-bit floating-point real number ( ).
Converts the converted angle
into a radian value ( ).
Executes COS operati
on using the
converted radian value ( ).
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Step Instruction Device
64-bit floating-point
real number
X2F
BCD value
0
D30
060
X20
Conversion
to BIN
BIN
b15 b0
BIN value
Conversion to radian
RADD
SIN operation
COSD
60
Conversion to
floating-point
FLTD
D21
60
D20D23 D22
64-bit floating-point
real number
D11
1.047198
D10D13 D12
64-bit floating-point
real number
D1
0.500000
D0D3 D2
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