7 APPLICATION INSTRUCTIONS
7.12 Special Function Instructions
615
7
• The following program seeks the inverse tangent 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 D0 and D1 value is 1]
Calculates an angle (radian value)
by TAN
-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
ATAN
Conversion to angle
DEG
Y4F
BCD value
004 5
Y40
D30
b15 b0
BIN value
45
32-bit floating-point
real number
D1
1
D0
32-bit floating-point
real number
D11
D10
TAN
-1
operation
0
.
7 85398
4 5
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