trunc / truncL

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 Function - Truncates the decimal part 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: Integer part of N.

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 keeps 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
     TRUNC
     ST  Q    (* Q is the integer part of IN *)

ST Language Example

Q := TRUNC (IN);

See Also