Function - Calculates the natural logarithm of the input.
Inputs
|
Input |
Data Type |
Range |
Unit |
Default |
Description |
|---|---|---|---|---|---|
|
IN |
REAL / LREAL |
|
|
|
Real value. |
Outputs
|
Output |
Data Type |
Range |
Unit |
Description |
|---|---|---|---|---|
|
Q |
REAL / LREAL |
|
|
Result: Natural logarithm of IN. |
Remarks
None
FBD Language Example
FFLD Language Example
- In the FFLD Language, the operation is executed only if the input rung (EN) is TRUE.
- The output rung (ENO) keeps the same value as the input rung.
- The function is executed only if EN is TRUE.
- ENO has the same value as EN.
IL Language Example
In the IL Language, the input must be loaded in the current result before calling the function.
Op1: LD IN
LN
ST Q (* Q is: LN (IN) *)
ST Language Example
Q := LN (IN);
