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.
