TRUNC / TRUNCL

Function - Truncates the decimal part of the input.

Inputs

IN : REAL/LREAL  Real value

Outputs

Q : REAL/LREAL   Result: integer part 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. In IL, the input must be loaded in the current result before calling the function.

ST Language

Q := TRUNC (IN);

FBD Language

LD Language

(* The function is executed only if EN is TRUE *)
(* ENO keeps the same value as EN *)

IL Language:

Op1: LD  IN
     TRUNC
     ST  Q    (* Q is the integer part of IN *)

See also

ABS   LOG   POW   SQRT