Square Root - Mitsubishi Electric MELSEC iQ-F FX5 Programming Manual

19.2

Square Root

SQRT(_E)
These functions output the square root of an input value.
Ladder diagram, FBD/LD
[Without EN/ENO]
s d
Setting data
■Descriptions, types, and data types
Argument
EN
s(IN)
ENO
d(SQRT(_E))
Processing details
■Operation processing
• These functions output the square root of the REAL type data input to (s) from (d).
• These functions are expressed as follows when the input value is "A" and the output operation result is "B".
B= A
• A value input to (s) is the REAL type data value and within the positive value range.
■Operation result
1.
Function without EN/ENO
The following table lists the operation results.
Operation result
No operation error occurred
An operation error occurred
2.
Function with EN/ENO
The following table lists the execution conditions and operation results.
Execution condition
EN
TRUE (Executes operation)
FALSE (Stops operation)
*1 When FALSE is output from ENO, data output from (d) is undefined. In that case, modify a program so that the data output from (d) is
not used.
Operation error
Error code Description
(SD0/SD8067)
3405H A negative value is input.
19 SINGLE NUMBER VARIABLE FUNCTIONS
976
19.2 Square Root
[With EN/ENO]
EN ENO
s d
Description
Execution condition (TRUE: Execution, FALSE: Stop)
Input
Output status (TRUE: Normal, FALSE: Abnormal)
Output
Operation result
ENO
TRUE (Operation error did not occur)
*1
FALSE
Structured text
[Without EN/ENO]
d:=SQRT(s);
[With EN/ENO]
d:=SQRT_E(EN,ENO,s);
Type
Input variable
Input variable
Output variable
Output variable
(d)
Operation output value
Indefinite value
(d)
Operation output value
Indefinite value
Data type
BOOL
REAL
BOOL
REAL