TAN (tangent)

The TAN instruction calculates the tangent of a Real value.
Languages supported: Function block diagram, ladder diagram, structured text.
This instruction applies to the Micro810, L20E, L50E, and L70E controllers.
TAN
TAN
TAN parameters
Parameter
Parameter Type
Data Type
Description
EN
Input
BOOL
When set to true, the instruction is enabled.
  • TRUE: Execute the current computation.
  • FALSE: There is no computation.
Applies to ladder diagram programs.
IN
Input
REAL
Cannot be equal to PI/2 modulo PI.
TAN
Output
REAL
Tangent of the input value = 1E+38 for invalid input.
ENO
Output
BOOL
Enables output. Applies to ladder diagram programs.

TAN examples

TAN function block diagram example
TAN function block diagram example
TAN ladder diagram example
TAN ladder diagram example
TAN structured text example
TAN structured text example
(* ST Equivalence: *)
tangent := TAN (angle);
result := ATAN (tangent); (* result is equal to angle*)
Results
Results
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