Asin, Acos, And Atan - Omron NY532-5400 Reference Manual

ASIN, ACOS, and ATAN

These instructions perform inverse trigonometric calculations on real numbers.
ASIN: Finds the arc sine of a number.
ACOS: Finds the arc cosine of a number.
ATAN: Finds the arc tangent of a number.
Instruction
ASIN Principal Arc Sine
ACOS Principal Arc
Cosine
ATAN Principal Arc
Tangent
Variables
Name Meaning
In Number to
process
Out Calculation
result
* If you omit the input parameter, the default value is not applied. A building error will occur.
Bit strings
In
Out
Function
These instructions perform inverse trigonometric calculations on real numbers. The calculation result
Out is an angle in radians (rad).
 ASIN
The ASIN instruction finds the arc sine of In. Out is between −π/2 and π/2.
NY-series Instructions Reference Manual (W560)
Name FB/FUN
FUN
FUN
FUN
I/O Description
Input Number to process
Output Calculation result
Graphic expression
(@)ASIN
EN ENO
In Out
(@)ACOS
EN ENO
In Out
(@)ATAN
EN ENO
In Out
Valid range
Depends on data type.
• ASIN
−π π
/2 to /2
• ACOS
π
0
to
• ATAN
−π π
/2 to /2
Integers
OK OK
OK OK
2 Instruction Descriptions
ST expression
Out:=ASIN(In);
Out:=ACOS(In);
Out:=ATAN(In);
Unit Default
*
---
rad ---
Times, durations, dates,
and text strings
2
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