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

`opcuaserverinfo`	Query host for installed OPC UA servers
`opcregister`	Install and register OPC Foundation core components
`opcsupport`	OPC troubleshooting utility
`opchdaserverinfo`	Query host for installed HDA servers
`opc.hdaSupport`	OPC HDA troubleshooting utility

`opcua`	Create OPC UA client object
`opcuanode`	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
`opchda`	Create OPC historical data access client
`opc.hda.reset`	Disconnect and delete all OPC HDA client objects

`getNameSpace (opchda)`	OPC HDA server name space
`getNamespace (opcua)`	Namespace of OPC UA server associated with client
`browseNameSpace (opchda)`	Graphically browse OPC HDA server name space
`browseNamespace (opcua)`	Graphically browse namespace and select nodes from OPC UA server

`opcuaserverinfo`	Query host for installed OPC UA servers
`opchdaserverinfo`	Query host for installed HDA servers
`findDescription`	Locate OPC HDA servers with particular description

`readItemAttributes`	Read item attribute values from OPC HDA server
`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

isvalid True for undeleted OPC objects

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.

Install a simulated OPC Server for use with the OPC examples.

Browse the network for OPC Historical Data Access servers, and query the server name space for server items and their properties.

Find OPC Unified Architecture (UA) servers, connect to them, and browse their namespace to find nodes of interest.