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

10 result(s) for NetworkMessageNumber

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

6.3.1.1.4 NetworkMessageContentMask

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

6.3.1.3.1 General

where all DataSets have a static position between NetworkMessages . In this case the parameters NetworkMessageNumber and DataSetOffset provide information about the static position of the DataSetMessage in a NetworkMessage Subscribers ... static. NOTE A Publisher can only provide valid values for the parameters NetworkMessageNumber and DataSetOffset if the message mapping allows keeping the value for these Properties constant unless the configuration
OPC-10000-14 – OPC Unified Architecture - Part 14: PubSub

6.3.1.3.4 NetworkMessageNumber

NetworkMessageNumber The parameter NetworkMessageNumber with the DataType UInt16 is the number of the NetworkMessage inside a PublishingInterval in which this DataSetMessage is published. The default value is 0 and indicates ... DataSetMessages of a WriterGroup fit into one single NetworkMessage , the value of NetworkMessageNumber shall be 1. If the DataSetMessages of a WriterGroup are distributed or chunked over more than
OPC-10000-14 – OPC Unified Architecture - Part 14: PubSub

6.3.1.4.2 NetworkMessageNumber

NetworkMessageNumber The parameter NetworkMessageNumber with DataType UInt16 is the number of the NetworkMessage inside a PublishingInterval in which this DataSetMessage is published. The default value 0 is defined as null
OPC-10000-14 – OPC Unified Architecture - Part 14: PubSub

7.2.4.1 General

identification is done in this case by the group header with the WriterGroupId and NetworkMessageNumber . The UADP-Periodic-Fixed header layout for this scenario is defined in A.2.1 . The flexibility
OPC-10000-14 – OPC Unified Architecture - Part 14: PubSub

7.2.4.4.2 NetworkMessage layout

false. GroupFlags Byte Bit 0: Writer GroupId enabled Bit 1: GroupVersion enabled Bit 2: NetworkMessageNumber enabled Bit 3: SequenceNumber enabled Bits 4-6: Reserved Bit 7: Reserved for further extended ... DataSetMessages is known from the DataSetReader configuration for the combination of WriterGroupId and NetworkMessageNumber . Timestamp DateTime The time the NetworkMessage was created. The Timestamp shall be omitted
OPC-10000-14 – OPC Unified Architecture - Part 14: PubSub

9.2.1.3 UadpDataSetReaderMessageType

Subtype of DataSetReaderMessageType defined in 9.1.8.4 . HasProperty Variable GroupVersion VersionTime PropertyType Mandatory HasProperty Variable NetworkMessageNumber UInt16 PropertyType Mandatory HasProperty Variable DataSetOffset UInt16 PropertyType Mandatory HasProperty Variable DataSetClassId Guid PropertyType Mandatory ... PropertyType Mandatory Conformance Units PubSub Model UADP The GroupVersion is defined in 6.3.1.4.1 . The NetworkMessageNumber is defined in 6.3.1.4.2 . The DataSetOffset is defined in 6.3.1.4.3 . The DataSetClassId is defined
OPC-10000-14 – OPC Unified Architecture - Part 14: PubSub

A.2.1.2 Overview

GroupHeader will be used for this purpose. PublisherId and WriterGroupId identify the WriterGroup . The NetworkMessageNumber is important for WriterGroups which distribute their DataSet s over more than one NetworkMessage
OPC-10000-14 – OPC Unified Architecture - Part 14: PubSub

A.2.1.4 Header layout for NetworkMessages

following fields according to this header layout: Version / Flags ExtendedFlags1 PublisherId GroupFlags WriterGroupId GroupVersion NetworkMessageNumber SequenceNumber Additional restrictions: The datatype for the PublisherId shall be UInt16 or UInt64 The NetworkMessage ... Byte Bit 0: Writer GroupId enabled = 1 Bit 1: GroupVersion enabled = 1 Bit 2: NetworkMessageNumber enabled = 1 Bit 3: SequenceNumber enabled = 1 Bits 4-6: 0 Bit 7: 0 WriterGroupId
OPC-10000-81 – OPC Unified Architecture - Part 81: UAFX Connecting Devices and Information Model

E.6.5 ConnectionConfigurationSet and DataSetReader

specified in the ConnectionEndpointParameter. The DataSetReader element MessageSettings is transport-specific. For UDP-UADP, NetworkMessageNumber , DataSetOffset, NetworkMessageContentMask, and DataSetMessageContentMask are derived from the HeaderLayoutUri . For UADP-Periodic-Fixed, NetworkMessageNumber