OPC UA PubSub JSON mapping component

From OPC Labs Knowledge Base

(tbd!!!)

Installation

Configuration

EasyUASubscriber object

OpcCmd tool

UADemoPublisher tool

Parameters

Send message mapping

The table below lists the available properties, their types, and descriptions.

Property Type Default Description
MessageFormattingParameters OpcLabs.UAPubSubJson.Sdk.PubSub.JsonMessageFormattingParameters
MessageFormattingParameters.IndentChars System.String " " (two spaces) The character string to use when indenting.
MessageFormattingParameters.PrettificationLevel OpcLabs.UAPubSubJson.Sdk.PubSub.JsonMessagePrettificationLevel JsonMessagePrettificationLevel.DataSetMessageData A value indicating how to prettify the output.

The JsonMessagePrettificationLevel enumeration is defined in the following table:

Name Value Description
None 0 The JSON message is not prettified.
NetworkMessage 1 The message is prettified to the network message level.
NetworkMessageData 2 The message is prettified to the network message data level.
DataSetMessage 3 The message is prettified to the dataset message level.
DataSetMessageData 4 The message is prettified to the dataset message data level.

Receive message mapping

The table below lists the available properties, their types, and descriptions.

Property Type Default Description
MessageParsingParameters OpcLabs.UAPubSubJson.Sdk.PubSub.JsonMessageParsingParameters
MessageParsingParameters.AutoRecognizeMessageFormat System.Boolean True Determines whether the message format will be automatically recognized when possible.
MessageParsingParameters.RecognizedNonReversibleBuiltInTypesMask System.Int32 NodeId, ExpandedNodeId, StatusCode,
QualifiedName, DataValue, DiagnosticInfo
The built-in types that be recognized when parsing the non-reversible JSON encoding.
MessageParsingParameters.RequireDataSetMetadata System.Boolean False Determines whether data set metadata will always be required for parsing.

Envelope mapping

There are no parameters that can be set for the envelope mapping.