Powerlink - 5.2.2 PowerlinkArrayType

The VariableType PowerlinkArrayType is formally defined in Table 12 and represents POWERLINK Objects of the type ARRAY as defined in 5.2.

Table 12 – PowerlinkArrayType Definition

Attribute		Value
BrowseName		PowerlinkArrayType
IsAbstract		False
ValueRank		1 (1 = OneDimension)
DataType		BaseDataType
References	NodeClass		BrowseName	DataType	TypeDefinition	ModellingRule	Access Level
Subtype of BaseDataVariableType defined in OPC 10000-5.
HasProperty	Variable		PowerlinkAttributes	PowerlinkAttributes	PropertyType	Mandatory	Read
HasProperty	Variable		Index	UInt16	PropertyType	Mandatory	Read
HasProperty	Variable		NumberOfEntries	Byte	PropertyType	Mandatory	Read / Write
HasProperty	Variable		Range	Range	PropertyType	Optional	Read
HasProperty	Variable		DefaultValue	BaseDataType	PropertyType	Optional	Read

The Property PowerlinkAttributes provides the information of the XML-Attribute ‘accessType’ from the POWERLINK XML Device Description.

The Property Index provides the Index of the object in the POWERLINK Object Dictionary.

The Property NumberOfEntries provides the value of Sub-Index 0 of the POWERLINK Object. For most POWERLINK Objects this value is read-only. For a few, like ERR_History_ADOM or PDO_RxMappParam_XXh_AU64, this Property is also writable.

The optional Property Range provides the Value Range of the array elements.

The optional Property DefaultValue provides the default value of the array elements. The DataType of this Property shall be identical to the DataType of the DataVariable itself.