Trunc - Delta Electronics DVP15MC11T Operation Manual

DVP15MC11T Operation Manual

8.8.24 TRUNC

FB/FC
TRUNC is used to get the integral part of a real number.
FC

Parameters
Parameter
name
Real number to
In
convert
Conversion
Out
result
In
Out
Note:
The symbol ● indicates that the parameter is allowed to connect to the variable or constant of the data type.

Function Explanation

TRUNC is used to get the integral part of a real number and the result is output to Out.

Users can choose different data types for the input parameter in this instruction. But the data type of
the output parameter is only LINT. An error will occur during the compiling of the software if the data
type of the output parameter is not LINT.
_8

Precautions for Correct Use

The input variable is not allowed to omit. An error will occur during the compiling of the software if
the input variable is omitted. But the output variable is allowed to omit.
8-104
Explanation
Input/
Meaning
Output
Input
Output
Bit string
TRUNC
EN ENO
In Ou t
Description
Real number whose integer
part is got
Integral part of a real number
Integer
●
Applicable model
DVP15MC11T
Valid range
Depends on the data type of
the variable that the input
parameter is connected to.
Depends on the data type of
the variable that the output
parameter is connected to.
Real
Time, date
number
● ●