isConnected

Determine if OPC UA client object is connected to server

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Syntax

connected = isConnected(uaClient)

Description

connected = isConnected(uaClient) returns true (logical 1) if the client UaClient is connected to the server, or false (logical 0) otherwise. If uaClient is a vector of client objects, connected is a vector representing the connected state of each client.

example

Examples

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Connect an OPC UA client and view its connection status.

uaClient = opcua("opc.tcp://localhost:53530/OPCUA/SimulationServer");
connect(uaClient);
isClientConnected = isConnected(uaClient)
isClientConnected =

  logical

   1

Disconnect the client and review its connection status.

disconnect(uaClient);
isClientConnected = isConnected(uaClient)
isClientConnected =

  logical

   0

Input Arguments

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OPC UA client, specified as an OPC UA client object or array of objects.

Example: isConnected(uaClient)

Output Arguments

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Connection status, returned as a numeric or logical 1 (true) or 0 (false) or vector of logical values. A value of true or 1 indicates that the client is connected to an OPC UA server.

Version History

Introduced in R2015b

See Also

Functions