FB_ShotScopeQM

FB_ShotScopeQM 1:

This class handles quality monitoring for the TF8550 ShotScope.

Syntax:

FUNCTION_BLOCK FB_ShotScopeQM EXTENDS FB_BaseHmi

FB_ShotScopeQM 2: Properties

Name

Type

Access

Initial value

Description

Name

STRING

Get, Set

<SourceName>

Specifies the name of the class instance.

FB_ShotScopeQM

AlarmSeverity

TcEventSeverity

Get, Set

‘Info‘

The severity level at which quality monitoring triggers an Mode = eThrowAlarm alarm.

Error

BOOL

Get, Set

FALSE

Quality monitoring has detected a deviation.

Mode

E_ShotScopeQmMode

Get, Set

eNoAction

The error reaction to be executed by the PLC.

ParamName

T_MaxString

Get, Set

‘‘

Name of the parameter that shows the deviation.

ShotNumber

UDINT

Get, Set

0

The shot number at which the deviation occurred.

FB_Base

BaseState

E_BaseState

Get

eNotHandled

Initialization state of the class instance.

Error

BOOL

Get

FALSE

Class is in an error state.

ResultMessage

I_AppMessage

Get

-

Access to the class-internal EventLogger.

[PROTECTED] _Name

STRING

Get

<SourceName>

.Name without leading 'fb'.

FB_ShotScopeQM 3: Methods

Name

Description

Reset()

Resets the error state of the class.

FB_BaseHmi

Init(ipBase)

Default initialization method to pass the base class.

FB_Base

GetHMI()

Returns the assigned HMI object.

The method is not implemented in the FB_Base class. If the method is not overwritten by inheritance, a pseudo variable is always returned.

SetHMI(ipBase)

General assignment method for an FB_BaseHmi extending class as a local HMI.

The method is not implemented in the FB_Base class. If the method is not overridden by inheritance, it always fails.

[PROTECTED] _IsMyself(iCmp)

Identifies whether the transferred object corresponds to its own instance.

[PROTECTED] _QueryNamespace()

Extracts the first part of the instance path as an object namespace.

[PROTECTED] _QueryObjectName()

Extracts the last part of the instance path as the object name.

FB_ShotScopeQM 4: Interfaces

Type

Description

I_Base

Standard interface on FB_Base.

I_ShotScopeLogQM

Standard interface on FB_ShotScopeQM.

I_BaseHmi

Standard interface on FB_BaseHmi.

I_BaseDev

Covers all methods and properties of the base class.

I_Comparable

Enables comparisons via _IsMyself() or F_IsSameInstance().

Requirements

Development environment

Target platform

PLC libraries to include

TwinCAT 4026 >= v3.1.4026.19
TwinCAT 4024 >= v3.1.4024.71

PC or CX (x64, x86)

Tc3_PlasticBaseApplication (>= v12.16.0.0)