The parameter NetworkMessageContentMask defines the optional header fields to be included in the NetworkMessages produced by the WriterGroup. The DataType for the JSON NetworkMessage mapping is JsonNetworkMessageContentMask.
The DataType JsonNetworkMessageContentMask is formally defined in Table 106.
Table 106 – JsonNetworkMessageContentMask values
|
Value |
Bit No. |
Description |
|
NetworkMessageHeader |
0 |
The JSON NetworkMessage header is included in the NetworkMessages. If this bit is false, bits 3 and 4 shall be 0. |
|
DataSetMessageHeader |
1 |
The JSON DataSetMessage header is included in each DataSetMessage. If this bit is false then the DataSetMessage header is not included and the header related bits in DataSetMessageContentMask for the DataSetWriters are ignored (see 6.3.2.3.1). Bits in the DataSetMessageContentMask related to the payload (like FieldEncoding1 and FieldEncoding2) are applied. |
|
SingleDataSetMessage |
2 |
Each JSON NetworkMessage contains only one DataSetMessage. |
|
PublisherId |
3 |
The PublisherId is included in the NetworkMessages. |
|
DataSetClassId |
4 |
The DataSetClassId is included in the NetworkMessages. The NetworkMessage can only contain DataSetMessages with the same DataSetClassId. If DataSetMessages have different DataSetClassIds they must be sent in individual NetworkMessages. |
|
ReplyTo |
5 |
Not used. |
|
WriterGroupName |
6 |
The WriterGroup name is included in the NetworkMessages. |
The JsonNetworkMessageContentMask representation in the AddressSpace is defined in Table 107.
Table 107 – JsonNetworkMessageContentMask definition
|
Attribute |
Value |
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|
BrowseName |
JsonNetworkMessageContentMask |
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|
IsAbstract |
False |
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|
References |
Node Class |
BrowseName |
DataType |
TypeDefinition |
Others |
|
Subtype of UInt32 defined in OPC 10000-5 |
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|
HasProperty |
Variable |
OptionSetValues |
LocalizedText [] |
PropertyType |
|
|
Conformance Units |
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|
PubSub Parameters JSON |
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