IF_TargetsHandler - RemoveTarget (Method)

Overview

Type:

Method

Available as of:

V1.4.1.0

This chapter provides information on:

Task

Removes one target from the list.

Description

The method RemoveTarget allows you to remove one target from the list.

Interface

Input

Data type

Description

i_udiListIndex

UDINT

The index of the target to remove from the list.

Output

Data type

Description

q_etDiag

GD.ET_Diag

General library-independent statement on the diagnostic. A value unequal to GD.ET_Diag.Ok corresponds to a diagnostic message.

q_etDiagExt

ET_DiagExt

POU-specific output on the diagnostic.

q_etDiag = ET_Diag.Ok -> Status message

q_etDiag <> ET_Diag.Ok -> Diagnostic message

q_sMsg

STRING[80]

Event-triggered message that gives more detailed information on the diagnostic state.

Diagnostic Messages

q_etDiag

q_etDiagExt

Enumeration value

Description

Ok

Ok

0

Ok

ExecutionAborted

NotConfigured

101

The function block is not configured yet.

ExecutionAborted

UpdateTargetsActive

109

An update of the target handler target is running and some methods cannot be called.

InputParameterInvalid

ListIndexInvalid

112

The provided list index is not referring to a valid target in the list.

InputParameterInvalid

ListIndexRange

111

The provided index is either zero or greater than the maximum list size.

ListIndexInvalid

Enumeration name:

ListIndexInvalid

Enumeration value:

112

Description:

The provided list index is not referring to a valid target in the list.

Issue

Cause

Solution

The target has not been removed from the targets handler.

The targets handler does not contain a target with the provided index.

Ensure that a target with index i_udiListIndex is contained in the list.

ListIndexRange

Enumeration name:

ListIndexRange

Enumeration value:

111

Description:

The provided index is either zero or greater than the maximum list size.

Issue

Cause

Solution

The target has not been removed from the targets handler.

The value of the index is out of range.

The value of the index must be within the range [1...Gc_udiMaxNumberOfTargets].

NotConfigured

Enumeration name:

NotConfigured

Enumeration value:

101

Description:

The function block is not configured yet.

Issue

Cause

Solution

The target has not been removed from the targets handler.

The Configuration method has not been called yet.

Ensure that the Configuration method has been successfully called before calling this method.

Ok

Enumeration name:

Ok

Enumeration value:

0

Description:

Success

Status Message: The target has been successfully removed from the targets handler.

UpdateTargetsActive

Enumeration name:

UpdateTargetsActive

Enumeration value:

109

Description:

An update of the target handler targets is running and some method cannot be called.

Issue

Cause

Solution

The target has not been removed from the targets handler.

It is not possible to remove a target from the targets handler while the UpdateTargets method is running.

Ensure that the UpdateTargets method is not running before calling this method.