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 93.
Table 93 – 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 DataSetMessageContentMask for the DataSetWriters is ignored (see 6.3.2.3.1). |
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 |
Reserved. |
WriterGroupName |
6 |
The WriterGroup name is included in the NetworkMessages. |
The JsonNetworkMessageContentMask representation in the AddressSpace is defined in Table 94.
Table 94 – JsonNetworkMessageContentMask definition
Attribute |
Value |
||||
BrowseName |
JsonNetworkMessageContentMask |
||||
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 the JSON NetworkMessage mapping specific WriterGroup parameters. It is a subtype of WriterGroupMessageDataType defined in 6.2.6.7.3.
The JsonWriterGroupMessageDataType is formally defined in Table 95.
Table 95 – JsonWriterGroupMessageDataType structure
Name |
Type |
Description |
JsonWriterGroupMessageDataType |
Structure |
Subtype of WriterGroupMessageDataType defined in 6.2.6.7.3. |
NetworkMessageContentMask |
JsonNetworkMessageContentMask |
Defined in 6.3.2.1.1. |
Its representation in the AddressSpace is defined in Table 96.
Table 96 – JsonWriterGroupMessageDataType definition
Attributes |
Value |
BrowseName |
JsonWriterGroupMessageDataType |
IsAbstract |
False |
Subtype of WriterGroupMessageDataType defined in 6.2.6.7.3. |
|
Conformance Units |
|
PubSub Parameters JSON |