ATAN / ATANL

Function - Calculate an arc-tangent.

Inputs

Input	Data type	Description
IN	REAL/LREAL	Real value.

Outputs

Output	Data type	Description
Q	REAL/LREAL	Result: arc-tangent of IN.

Remarks

In LD 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.

ST Language

Q := ATAN (IN);

FBD Language

Fixed_Image

LD Language

The function is executed only if EN is TRUE.
ENO keeps the same value as EN.

Fixed_Image