Square Root - Mitsubishi Electric MELSEC Q Series Programming Manual

6 IEC FUNCTIONS

6.2.2 Square root

The square root of the specified data is operated.
Function definition
Function definition
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SQRT
SQRT_E
REAL SQRT ( REAL S1 );
Argument
Argument Name IN/OUT
S1 IN
Return value
Return Value
REAL Square root operation result (real number data)
Remarks:
Example of use
Argument Type
REAL r_data1 := SQRT( r_data2 );
BOOL SQRT_E( BOOL EN, REAL S1, REAL D1 );
Argument
Argument Name IN/OUT
EN IN
S1 IN
D1 OUT
Return value
Return Value
BOOL Execution condition
Example of use
(* When execution condition X0 turns ON, the square root of the data stored in
(* rData is found, and the result is stored into Result.
M0 := SQRT_E( X0, rData, Result ) ;
Data whose square root will be found
ST Program Conversion Result
LD
SQR
Execution condition (Function is executed only when the result is TRUE)
Data whose square root will be found (real number data)
Square root operation result (real number data)
Description
Description
Used Instruction
SM400 LD,SQR
r_data2
r_data1
Description
Description
*)
*)
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