FB_RandomGenerator - Init (Method)

Overview

Type:	Method
Available as of:	V1.0.0.0
Versions:	Current version

Task

The method Init initializes the random generator FB_RandomGenerator.

Description

The random numbers are generated according to the linear congruence method. The required start value i_diNstart is set using the Init method. This can be any integer > 0 which is located within the value range of data type DINT.

This method must have been called once before calling the GetDint or GetLreal methods.

Interface

Input	Data type	Description
i_diNStart	DINT	Start value of the random number row.

Output	Data type	Description
q_etResult	ET_Result	Provides diagnostic and status information as an enumeration value.
q_sResultMsg	STRING [80]	Provides additional diagnostic and status information as a text message.

Return Value

Data type	Description
BOOL	TRUE= The execution of the method was successful. FALSE = The execution of the method was unsuccessful.

Diagnostic Messages

The following elements of ET_Result are used for q_etResult.

Name	Data type	Value	Description
Ok	UDINT	0	Operation completed successfully.
NStartRange	UDINT	20	Value at input i_diNStart is less than or equal to 0.