Machine Vision - Control, Configuration management, recipe management, result management

VisionConditions are generated to signal important events during the operation of the vision system which require interaction, i.e. conditions.

All non-inherited properties are optional and stay optional on the concrete sub-types because these ConditionTypes will be used under very different operational circumstances in the vision system; it is therefore not possible to specify that, e.g. a jobId shall be mandatory, since an error condition may be triggered during the preparation of a recipe, when no job is running.

However, the intention is for the server to provide as much information to the client as possible, i.e. fill as many properties as possible.

The EventType for VisionConditions is formally defined in Table 132.

Figure 41 – Overview VisionConditionType

Table 132 – VisionConditionType

Attribute	Value
BrowseName	VisionConditionType
IsAbstract	True
References	NodeClass	BrowseName	DataType	TypeDefinition	ModellingRule
Subtype of the AcknowledgeableConditionType defined in OPC 10000-9
HasSubtype	ObjectType	VisionWarningConditionType	Defined in 11.4.5
HasSubtype	ObjectType	VisionErrorConditionType	Defined in 11.4.6
HasSubtype	ObjectType	VisionPersistentErrorConditionType	Defined in 11.4.7

HasProperty	Variable	CausePath	String	PropertyType	Optional
HasProperty	Variable	MeasId	MeasIdDataType	PropertyType	Optional
HasProperty	Variable	PartId	PartIdDataType	PropertyType	Optional
HasProperty	Variable	ExternalRecipeId	RecipeIdExternalDataType	PropertyType	Optional
HasProperty	Variable	InternalRecipeId	RecipeIdInternalDataType	PropertyType	Optional
HasProperty	Variable	ProductId	ProductIdDataType	PropertyType	Optional
HasProperty	Variable	ExternalConfigurationId	ConfigurationIdDataType	PropertyType	Optional
HasProperty	Variable	InternalConfigurationId	ConfigurationIdDataType	PropertyType	Optional
HasProperty	Variable	JobId	JobIdDataType	PropertyType	Optional
HasProperty	Variable	ResultId	ResultIdDataType	PropertyType	Optional
HasProperty	Variable	ErrorCode	UInt64	PropertyType	Optional
HasProperty	Variable	ErrorString	String	PropertyType	Optional
HasProperty	Variable	StopReaction	Boolean	PropertyType	Mandatory
HasProperty	Variable	BlockReaction	Boolean	PropertyType	Mandatory

11.4.4.2 Usage of properties in common with VisionEventType

The properties which VisionConditionType has in common with VisionEventType have the same semantics and usage as described in Sections 11.4.1.2 and 11.4.1.3..

11.4.4.3 Usage of additional properties

The following describes the usage of the properties added by VisionConditionType with respect to AcknowledgeableConditionType.

ErrorString

A system specific string classifying the error / warning.

ErrorCode

A system specific numeric code classifying the error / warning.

StopReaction

If the system did stop normal operation because of this error (state machine did transit to error state) this property shall be set to true.

BlockReaction

If the system did stop normal operation and user interaction is needed because of this error this property shall be set to true.