The DataSetMessageContentMask defines the flags for the content of the DataSetMessage header. The JSON message mapping specific flags are defined by the JsonDataSetMessageContentMask DataType.

The JsonDataSetMessageContentMask DataType is formally defined in Table 96.

Table 96 – JsonDataSetMessageContentMask values

Value

Bit No.

Description

DataSetWriterId

0

If this flag is set, a DataSetWriterId shall be included in the DataSetMessage header.

MetaDataVersion

1

If this flag is set, the ConfigurationVersion is included in the DataSetMessage header.

SequenceNumber

2

If this flag is set, the DataSetMessageSequenceNumber is included in the DataSetMessage header.

Timestamp

3

If this flag is set, a timestamp shall be included in the DataSetMessage header.

Status

4

If this flag is set, an overall status is included in the DataSetMessage header.

MessageType

5

If this flag is set, the message type is included in the DataSetMessage header.

DataSetWriterName

6

If this flag is set, a DataSetWriterName shall be included in the DataSetMessage header.

ReversibleFieldEncoding

7

If this flag is set, the DataSetMessage fields are encoded in the reversible JSON encoding and in the non-reversible JSON encoding otherwise.

The JsonDataSetMessageContentMask representation in the AddressSpace is defined in Table 97.

Table 97 – JsonDataSetMessageContentMask definition

Attribute

Value

BrowseName

JsonDataSetMessageContentMask

IsAbstract

False

References

Node Class

BrowseName

DataType

TypeDefinition

Others

Subtype of UInt32 defined in OPC 10000-5

HasProperty

Variable

OptionSetValues

LocalizedText []

PropertyType

Conformance Units

PubSub Parameters JSON

This Structure DataType is used to represent JSON DataSetMessage mapping specific DataSetWriter parameters. It is a subtype of the DataSetWriterMessageDataType defined in 6.2.4.5.3.

The JsonDataSetWriterMessageDataType is formally defined in Table 98.

Table 98 – JsonDataSetWriterMessageDataType structure

Name

Type

Description

JsonDataSetWriterMessageDataType

Structure

Subtype of DataSetWriterMessageDataType defined in 6.2.4.5.3.

DataSetMessageContentMask

JsonDataSetMessageContentMask

Defined in 6.3.2.3.1.

Its representation in the AddressSpace is defined in Table 99.

Table 99 – JsonDataSetWriterMessageDataType definition

Attributes

Value

BrowseName

JsonDataSetWriterMessageDataType

IsAbstract

False

Subtype of DataSetWriterMessageDataType defined in 6.2.4.5.3.

Conformance Units

PubSub Parameters JSON