The VariableTypes StructuredArrayItemType and LongwallShieldOffsetArrayItemType contain the necessary properties to support the traits of the introduced mining equipment. The relation between these two VariableTypes is displayed in Figure 11.
Figure 11 – VariableTypes Overview
The StructuredArrayItemType VariableType is a subtype of the DataItemType. It is formally defined in Table 16.
Table 16 – StructuredArrayItemType Type Definition
Attribute |
Value |
|||||
BrowseName |
StructuredArrayItemType |
|||||
IsAbstract |
True |
|||||
ValueRank |
0 |
|||||
DataType |
0:BaseDataType |
|||||
References |
NodeClass |
BrowseName |
DataType |
TypeDefinition |
Other |
|
Subtype of the 0:DataItemType defined in OPC 10000-5. |
||||||
0:HasProperty |
Variable |
EngineeringUnits |
0:EUInformation |
0:PropertyType |
O, RW |
|
0:HasProperty |
Variable |
EURange |
0:Range |
0:PropertyType |
O, RW |
|
0:HasProperty |
Variable |
InstrumentRange |
0:Range |
0:PropertyType |
O, RW |
The LongwallShieldOffsetArrayItemType VariableType is a subtype of the StructuredArrayItemType. It is formally defined in Table 17 .
Table 17 – LongwallShieldOffsetArrayItemType Type Definition
Attribute |
Value |
|||||
BrowseName |
LongwallShieldOffsetArrayItemType |
|||||
IsAbstract |
False |
|||||
ValueRank |
1 |
|||||
DataType |
LongwallShieldOffsetDataType |
|||||
References |
NodeClass |
BrowseName |
DataType |
TypeDefinition |
Other |
|
Subtype of the StructuredArrayItemType defined in Chapter 8.2 |
||||||
0:HasProperty |
Variable |
0:EngineeringUnits |
0:EUInformation |
PropertyType |
M, RW |
|
0:HasProperty |
Variable |
0:EURange |
0:Range |
PropertyType |
M, RW |