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Scope: Core (OPC-10000-*) All specs

4 result(s) for DataSetMessages.

OPC-10000-14 – OPC Unified Architecture - Part 14: PubSub

5.3.3 DataSetMessage

configured DataSetMessageContentMask , a DataSetMessage may exist in different forms and with varying detail. DataSetMessages do not contain any information about the data acquisition or information source in the Publisher . Additional ... DataSetMetaData. Status Status information about the data in this DataSetMessage. Keep alive When no DataSetMessages are sent for a configured time period, a keep alive DataSetMessage is sent to signal
OPC-10000-14 – OPC Unified Architecture - Part 14: PubSub

5.3.4 NetworkMessage

messages of different MessageTypes defined in 7.2 . A NetworkMessage can contain an array of DataSetMessages and includes information shared between DataSetMessages . This information consists of: PublisherId Identifies the Publisher . Security ... fields out of the DataSet also sent in the header. Payload One or more DataSetMessages. The payload, consisting of the DataSetMessages will be encrypted in accordance with the configured message
OPC-10000-14 – OPC Unified Architecture - Part 14: PubSub

7.2.5.3 NetworkMessage containing DataSetMessages

NetworkMessage containing DataSetMessages Each JSON NetworkMessage can contain one or more JSON DataSetMessages . The JSON NetworkMessage is a JSON object with the fields defined in Table 184 . Table 184 - JSON ... present. MessageType String This value shall be "ua-data" for NetworkMessages containing DataSetMessages . This value is always present. PublisherId String A unique identifier for the Publisher . It identifies
OPC-10000-14 – OPC Unified Architecture - Part 14: PubSub

7.2.5.4.2 VerboseEncoding

includes default values. The main use case for the VerboseEncoding is the payload of DataSetMessages . The VerboseEncoding and the following rules for DataSet field encoding ensure that Subscribers without ... special cases are defined in 7.2.5.4.3 . VerboseEncoding is the recommended default encoding for DataSetMessages. This specification defines a DataSet field encoding for the VerboseEncoding which simplifies the encoding of Variants