Server Connection and Browsing

Connect to OPC servers and browse their name spaces

Identify the host and ID of the OPC server you want to connect to. After you connect, you can retrieve server information and browse its name space.

Functions

`opcregister`	Install and register OPC Foundation core components
`opcserverinfo`	Version, server, and status information
`opchdaserverinfo`	Query host for installed HDA servers
`opcuaserverinfo (opcua)`	Query host for installed OPC UA servers
`opc.hdaSupport`	OPC HDA troubleshooting utility
`opc.daSupport`	OPC data access troubleshooting utility
`opcsupport`	OPC troubleshooting utility
`openosf`	Open OPC Data Access Explorer session file

`opcfind`	Find OPC objects with specific properties
`opcda`	Create OPC data access object
`opchda`	Create OPC historical data access client
`opcua (opcua)`	Create OPC UA client object
`opcuanode (opcua)`	Create OPC UA node objects
`connect`	Connect client object to OPC server
`isConnected`	True if HDA Client is connected to server
`disconnect`	Disconnect client object from OPC server
`propinfo`	Property information for OPC objects
`obj2mfile`	Convert OPC object to MATLAB code
`opcreset`	Disconnect and delete all OPC objects
`opc.hda.reset`	Disconnect and delete all OPC HDA client objects

`getnamespace (opcda)`	OPC DA server name space
`getNameSpace (opchda)`	OPC HDA server name space
`getNamespace (opcua)`	Namespace of OPC UA server associated with client
`browsenamespace (opcda)`	Graphically browse OPC DA server name space
`browseNameSpace (opchda)`	Graphically browse OPC HDA server name space
`browseNamespace (opcua)`	Graphically browse name space and select nodes from OPC UA server
`flatnamespace`	Flatten hierarchical OPC name space
`serveritems`	Query server or name space for fully qualified item IDs

`opcserverinfo`	Version, server, and status information
`opchdaserverinfo`	Query host for installed HDA servers
`opcuaserverinfo (opcua)`	Query host for installed OPC UA servers
`findDescription`	Locate OPC HDA servers with particular description

`readItemAttributes`	Read item attribute values from OPC HDA server
`serveritemprops`	Property information for items in OPC server name space
`getDescription`	Get description of OPC HDA aggregate type or item attribute
`getIDFromName`	Translate OPC HDA aggregate type or item attribute name to numeric identifier
`getIDList`	Get all aggregate type or item attribute IDs
`getNameList`	Get all aggregate type or item attribute names

`copyobj`	Make copy of OPC data access object
`delete`	Remove OPC objects from memory
`isvalid`	True for undeleted OPC objects
`save`	Save OPC objects to MAT-file
`load`	Load OPC objects from MAT-file
`disp`	Summary of information for OPC objects
`get`	OPC object properties
`set`	Configure or display OPC object properties
`opchelp`	Help for OPC data access function or property

Explore and exchange data with OPC Data Access servers

opcda Object Properties	Configure OPC DA client
dagroup Object Properties	Configure OPC `dagroup` object
daitem Object Properties	Configure OPC `daitem` object

Discover Available Data Access Servers
Describes how to browse your network for OPC servers and how to browse an OPC server to find server item names.
Connect to OPC Data Access Servers
Create OPC Data Access client objects and connect to OPC servers.
Access Data with the OPC Data Access Explorer
Take a step-by-step approach to graphically interact with OPC DA servers from MATLAB^® software.
OPC DA Server Item Properties
Learn the OPC DA server properties defined by the OPC Foundation.

Discover Available HDA Servers
Browse your network for OPC HDA servers, and browse an OPC server to find server item names.
OPC HDA Objects
Learn about OPC objects for accessing an OPC HDA server.
Create an OPC HDA Client Object
Create a client object to connect MATLAB to the OPC HDA server.
Connect to the OPC HDA Server
Connect your client object to the OPC server.
Set Client Properties
Modify OPC object properties specific to the OPC client.
Read Item Attributes
Read the set of attributes associated with an OPC server item.