Mitsubishi Electric FX3G SERIES Programming Manual page 528

FX /FX /FX Series Programmable Controllers
3G 3U 3UC
Programming Manual - Basic & Applied Instruction Edition
Program example
In the program example shown below, the COS
calculated, and the angle is output in 4-digit BCD to Y040 to Y057 when X000 turns ON.
X000
Operation when "0.5" is stored in D0 and D1
D1
0.5
Binary floating point
(real number) value
D21
60
Binary floating point
(real number) value
526
FNC134
DACOS
FNC137
DDEG
FNC129
INT
FNC 18
BCD
[1]
Conversion
−1
by COS
D0
operation
Binary floating point
DACOS
(real number) value
[3]
Conversion
D20 b15
into binary
Binary
INT
18.22 FNC134 – ACOS / Floating Point Arc Cosine
−1
value of data (binary floating point) stored in D0 and D1 is
The angle (in radians) is calculated by the COS
D0 D10
operation ([1]).
The value in radians is converted into the value in
D10 D20
degrees ([2]).
The angle expressed in the binary floating point (real
D20 D30
number) is converted into an integer (binary) ([3]).
The angle expressed in integer (binary) is output to
D30 K4Y40
the display unit ([4]).
END
D11 D10
1.047198
[2] Conversion into degrees
DDEG
D30
[4] BCD
b0 Y057 Y040
operation
60 0 0 6 0
BCD
value
18 Floating Point – FNC110 to FNC139
BCD
value
−1