WOLFRAM SYSTEM MODELER

Read

Adds reading of an Integer scalar node to a ReadNodeList

Diagram

Wolfram Language

In[1]:=
SystemModel["OPCUA.Components.Unclocked.IntegerSignals.Read"]
Out[1]:=

Information

This component reads scalar data from the specified node as part of the request defined by the ReadNodeList it's connected to.

See OPCUA.Interfaces.Node for how to specify the node identity and handle errors.

Parameters (7)

nodeIDType

Value:

Type: UANodeIdType

Description: The node identifier type

nodeID

Value:

Type: String

Description: The node identifier

nodeNamespace

Value:

Type: Integer

Description: The node namespace

errorHandling

Value:

Type: ErrorHandling

Description: How to handle node errors (request errors are handled by the connected Read/WriteNodeList component)

enableSourceTimestamp

Value: false

Type: Boolean

Description: Enable source timestamp output

enableServerTimestamp

Value: false

Type: Boolean

Description: Enable server timestamp output

y_start

Value: 0

Type: Integer

Description: Value of output y before the first read

Connectors (5)

severity

Type: SeverityOutput

Description: Node level status severity

list_a

Type: List_a

Description: Connector for propagating node registrations to a NodeList

sourceTimestamp

Type: TimestampOutput

Description: 'output Timestamp' as connector

serverTimestamp

Type: TimestampOutput

Description: 'output Timestamp' as connector

y

Type: IntegerOutput

Description: 'output Integer' as connector

Components (3)

nodeObj

Type: NodeObject

read

Type: Read

Description: Adds reading of an Integer scalar node to a ReadNodeList

hold

Type: Hold

Description: Hold the clocked, Integer input signal and provide it as continuous-time output signal (zero order hold)

Used in Examples (1)

ReadAndWrite

OPCUA.Examples

Demonstrates how to write to and read from nodes on an OPC UA server