Name :Arctangent function

Symbol :ATAN

Illustrate:

        Perform arctangent function operations on the input values.

Image:

Parameter:

Parameter | Statement | Type | Description
--- | --- | --- | ---
IN | Input | REAL |
    Enter a value
OUT | Output | REAL |
    Output value

Example:

LD:

ST:

TagOut := ATAN(IN := TagIn);

Interpretation:

parameter | operand | value
--- | --- | ---
IN | TagIn | Enter a value：1
OUT | TagOut | Output value：0.785398

    	IN inputs REAL data, and OUT outputs IN arctangent operations.