SQRT (Square Root)
| Function name | SQRT_010 |
|---|---|
| Function version | 1.0 |
| Function state | stable |
| Compatibility with IEC61131-3 | compatible |
Graphic symbol :
Input / Output :
| Nome | Gruppo appartenenza | Accesso | Tipi di dati | Descrizione |
|---|---|---|---|---|
| EN | Left Power Flow | IEC1131-3 enable input | ||
| A | Normal | R , RW | F , B , W , L , S | Input variable A |
| Q | Normal | W , RW | F , B , W , L , S | Result of the operation Q = SQRT (A) |
| ENO | Right Power Flow | IEC1131-3 enable output |
Description :
The Square Root operation of a number provides the square root of a number (A) and produce as a result a number (Q).
The square root of a negative number always gives Q equal to zero.
The eventual overflow in the result (Q) is ignored.