Opcua

Frends.Opcua.Read / 1.1.0

Summary

Reads values from an OPC UA server, either from nodes you name or by browsing down from a starting node, with the certificate handling industrial servers require.

Typical use — pulling machine and sensor state into a Process; browsing is the way in when the address space is not known up front

Details

Frends version
5.7 and newer
Agent
Crossplatform
Target framework
net8.0

Essential parameters.

Name Type Default Example Description
Mode OpcOperationMode Read OpcOperationMode.ReadNodes

Determines the mode for either reading specific nodes or browse existing nodes.

Possible values:

  • Read: Reads specific nodes specifyed in NodeIds parameter.

  • Browse: Browses existing nodes using StartNodeId parameter.

NodeIds String[] [ "ns=2;i=1001", "ns=2;s=Temperature" ]

List of NodeIds to read from the OPC UA Server.

StartNodeId String ns=2;s=Temperature

NodeId of the node where browsing should be started.

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