GetImmediateFastInput: Read Input of an Embedded Expert I/O

Function Description

This function returns the current physical value of the input, which may be different from the current logical value of that input. The value is read immediately from the hardware at function call time. Only I0 to I3 can be accessed through this function.

Library and Namespace

Library name: M262PLCSystem

Namespace: SEC

Graphical Representation

IL and ST Representation

To see the general representation in IL or ST language, refer to the chapter Function and Function Block Representation.

I/O Variable Description

The following table describes the input variables:

Input	Type	Comment
Block	INT	Not used.
Input	INT	Input Index to read from 0...3.

The following table describes the output variable:

Output	Type	Comment
GetImmediateFastInput	BOOL	Value of the input <Input> – FALSE/TRUE.

The following table describes the input/output variables:

Input/Output	Type	Comment
Error	BOOL	FALSE= operation is successful. TRUE= operation error, the function returns an invalid value.
ErrID	IMMEDIATE_ERR_TYPE	Operation error code when Error is TRUE.

Input/Output

Type

Comment

Error

BOOL

FALSE= operation is successful.

TRUE= operation error, the function returns an invalid value.

ErrID

IMMEDIATE_ERR_TYPE

Operation error code when Error is TRUE.