Item and Group Management

Manage toolbox representation of server items

Use the OPC data access objects for data storage, manipulation, and visualization of OPC DA data.

Functions

`addgroup`	Add data access group to`opcda`object
`additem`	Add data access items to`dagroup`object
`clonegroup`	Clone group into new private group on same client
`makepublic`	Convert private group into public group
`removepublicgroup`	Remove public group from server

`GroupType`	Public status of`dagroup`object
`Item`	Data Access Item objects contained by group
`Name`	Descriptive name for OPC object
`Parent`	OPC object that contains`dagroup`or`daitem`object
`Tag`	Label to associate with OPC object
`TimeBias`	Time bias of group
`Type`	OPC object type
`UserData`	Data to associate with OPC object

`AccessRights`	Inherent nature of access to item
`Active`	Group or item activation state
`ItemID`	Fully qualified ID on OPC server
`ScanRate`	Fastest possible data update rate
`CanonicalDataType`	Server's data type for item
`DataType`	Client item's data type
`Quality`	Quality of data value
`QualityID`	Quality of data value as 16-bit integer
`TimeStamp`	Time when item was last read
`Value`	Item value

Create OPC Data Access Objects
Create OPC DA objects in MATLAB^®.
Configure OPC Data Access Object Properties
Configure object properties for OPC DA server access.
Delete Objects
Describes how to remove toolbox objects.
保存和加载Objects
Save and load OPC Data Access objects.

Create and configure objects in the workspace to access an OPC server.

Open Script

Find, create, and remove OPC object in the workspace.

Open Script