Omron NJ501-1500 User Manual

2-177
2 Instruction Descriptions
NJ-series Instructions Reference Manual (W502)
Math Instructions
2
ASIN, ACOS, and ATAN
ASIN, ACOS, and ATAN
These instructions perform inverse trigonometric calculations on real numbers.
* If you omit the input parameter, the default value is not applied. A building error will occur.
These instructions perform inverse trigonometric calculations on real numbers. The calculation result
Out is an angle in radians (rad).
z ASIN
The ASIN instruction finds the arc sine of In. Out is between −π/2 and π/2.
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 Name FB/FUN Graphic expression ST expression
ASIN Principal Arc Sine FUN Out:=ASIN(In);
ACOS Principal Arc
Cosine
FUN Out:=ACOS(In);
ATAN Principal Arc
Tangent
FUN Out:=ATAN(In);
Variables
Name Meaning I/O Description Valid range Unit Default
In Number to
process
Input Number to process Depends on data type.
---
*
Out Calculation
result
Output Calculation result • ASIN
−π/2 to π/2
• ACOS
0 to π
• ATAN
−π/2 to π/2
rad
---
Boolean
Bit strings Integers
Real
numbers
Times, durations,
dates, and text strings
BOOL
BYTE
WORD
DWORD
LWORD
USINT
UINT
UDINT
ULINT
SINT
INT
DINT
LINT
REAL
LREAL
TIME
DATE
TOD
DT
STRING
In OK OK
Out OK OK
Function
(@)ASIN
EN ENO
In Out
(@)ACOS
EN ENO
In Out
(@)ATAN
EN ENO
In Out

Omron NJ501-1500 Specifications

General

Brand	Omron
Model	NJ501-1500
Category	Controller
Language	English