The parameter NetworkMessageContentMask defines the optional header fields to be included in the NetworkMessages produced by the WriterGroup. The DataType for the UADP NetworkMessage mapping is UadpNetworkMessageContentMask.

The DataType UadpNetworkMessageContentMask is formally defined in Table 52.

Table 52 – UadpNetworkMessageContentMask Values

Value

Bit No.

Description

PublisherId

0

The PublisherId is included in the NetworkMessages.

GroupHeader

1

The GroupHeader is included in the NetworkMessages.

WriterGroupId

2

The WriterGroupId field is included in the GroupHeader.

The flag is only valid if Bit 1 is set.

GroupVersion

3

The GroupVersion field is included in the GroupHeader.

The flag is only valid if Bit 1 is set.

NetworkMessageNumber

4

The NetworkMessageNumber field is included in the GroupHeader.

The field is required if more than one NetworkMessage is needed to transfer all DataSets of the group.

The flag is only valid if Bit 1 is set.

SequenceNumber

5

The SequenceNumber field is included in the GroupHeader.

The flag is only valid if Bit 1 is set.

PayloadHeader

6

The PayloadHeader is included in the NetworkMessages.

Timestamp

7

The sender timestamp is included in the NetworkMessages.

PicoSeconds

8

The sender PicoSeconds portion of the timestamp is included in the NetworkMessages.

DataSetClassId

9

The DataSetClassId is included in the NetworkMessages.

PromotedFields

10

The PromotedFields are included in the NetworkMessages.

The UadpNetworkMessageContentMask representation in the AddressSpace is defined in Table 53.

Table 53 – UadpNetworkMessageContentMask Definition

Attributes

Value

BrowseName

UadpNetworkMessageContentMask

IsAbstract

False

References

NodeClass

BrowseName

DataType

Subtype of UInt32 defined in OPC 10000-5.

HasProperty

Variable

OptionSetValues

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