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18 Applied Instructions (Floating Point)
18.25 DDEG / Floating Point Radians to Degrees Conversion
FXCPU Structured Programming Manual
[Basic & Applied Instruction]
18.25 DDEG / Floating Point Radians to Degrees Conversion
Outline
This instruction converts the radian unit value into the angle (DEG) unit.
→ As for handling of floating decimal point, refer to FX Structured Programming Manual [Device &
Common].
1. Format and operation, execution form
2. Set data
3. Applicable devices
Function and operation explanation
1. 32-bit operation (DDEG/DDEGP)
(DDEG/DDEGP)
The unit of the angle specified by is converted from the radian unit to the degree unit, and is stored in
the device specified by .
• Conversion from radian unit to degree unit is as follows.
FX3U(C) FX3G(C) FX3S FX2N(C) FX1N(C) FX1S FXU/FX2C FX0N FX0(S)
Instruction
name
Operation
Execution
form
Expression in each language
Structured ladder/FBD ST
DDEG 32 bits Continuous DDEG(EN, s, d);
DDEGP 32 bits Pulse DDEG_P(EN, s, d);
Variable Description Data type
Input
variable
EN Execution condition Bit
Head device for storing the radian angle to be converted to degree unit.
FLOAT(Single
Precision)
Output
variable
ENO Execution state Bit
Head device for storing the value having been converted to degree unit.
FLOAT(Single
Precision)
Operand
type
Bit Devices Word Devices Others
System user Digit designation
System
user
Special
unit
Index
Cons
tant
Real
Number
Character
String
Pointer
XYMTCS
D
.b
KnX KnY KnM KnS T C D R
U\G
VZModifierKH E
"
"
P
zz z z z
zz z z
DDEG
EN ENO
d
s
DDEG_P
EN ENO
d
s
Command
input
DDEG
EN ENO
d
s
+1
Binary floating decimal
point (real number)
+1
Binary floating decimal
point (real number)
ºrad
d
s s
d
Head device for storing the radian
angle to be converted to degree unit
Head device for storing the value
having been converted to degree unit
Degree unit = radian unit ×
π
180