7 APPLICATION INSTRUCTIONS
7.12 Special Function Instructions
611
7
• The following program seeks the inverse cosine of the 32-bit floating decimal point real number at D0 and D1, and outputs
the angle to the 4 BCD digits at Y40 to Y4F.
[Ladder Mode]
[List Mode]
[Operations involved when the D0 and D1 value is 0.5]
Calculates an angle (radian value)
by COS
-1
operation ( )
Converts the radian value into an angle ( )
Converts the angle in 32-bit floating-point
real number into an integer ( )
Outputs the integer-converted angle
to a display device ( )
1
2
3
4
Conversion
to BIN
32-bit floating-point
real number
D21
D20
INT
BCD operation
BCD
ACOS
Conversion to angle
DEG
Y4F
BCD value
0060
Y40
D30
b15
b0
BIN value
60
32-bit floating-point
real number
D1
D0
32-bit floating-point
real number
D11
D10
COS
-1
operation
0
.
5
1
.
0 47
1
98
60
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