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

34 result(s) for PublishingInterval

OPC-10000-4 – OPC Unified Architecture - Part 4: Services

5.14.7.2 Parameters

used for monitoring Attribute changes. The data should be sent in the next regular PublishingInterval . Response responseHeader ResponseHeader Common response parameters (see 7.33 for ResponseHeader definition). results [] TransferResult List
OPC-10000-4 – OPC Unified Architecture - Part 4: Services

6.7 Re-establishing connections

current value for each MonitoredItem . The data should be sent in the next regular PublishingInterval . The Server Object provides a Method ResendData that initiates resending of all data monitored items
OPC-10000-4 – OPC Unified Architecture - Part 4: Services

6.8 Durable Subscriptions

setting, the Client needs to calculate the LifetimeCount based on the revisedLifetimeInHours and the PublishingInterval . ModifySubscription does not change the durable mode of the Subscription . An OPC UA Server providing
OPC-10000-14 – OPC Unified Architecture - Part 14: PubSub

6.2.3.7.1 PublishedData

practical rate. The value -1 indicates that the default sampling interval defined by the PublishingInterval of the WriterGroup is requested. Any negative number is interpreted as -1. DeadbandType UInt32
OPC-10000-14 – OPC Unified Architecture - Part 14: PubSub

6.2.4.3 KeyFrameCount

KeyFrameCount The KeyFrameCount with DataType UInt32 is the multiplier of the PublishingInterval that defines the maximum number of times the PublishingInterval expires before a key frame message with values
OPC-10000-14 – OPC Unified Architecture - Part 14: PubSub

6.2.6.2 PublishingInterval

PublishingInterval The PublishingInterval with the DataType Duration defines the interval in milliseconds for publishing NetworkMessages and the embedded DataSetMessages created by the related DataSetWriters . Negative values are invalid ... PublishingInterval is 0, the KeyFrameCount of all DataSetWriters in the WriterGroup shall be 0. For cyclic PublishedDataSets one DataSet is produced for one PublishedDataSet in a PublishingInterval
OPC-10000-14 – OPC Unified Architecture - Part 14: PubSub

6.2.6.3 KeepAliveTime

sent in this period by a DataSetWriter . The minimum value shall equal the PublishingInterval but shall be larger than
OPC-10000-14 – OPC Unified Architecture - Part 14: PubSub

6.2.9.6 MessageReceiveTimeout

received DataSetMessage is considered new. The MessageReceiveTimeout is related to the Publisher side parameters PublishingInterval , KeepAliveTime and KeyFrameCount
OPC-10000-14 – OPC Unified Architecture - Part 14: PubSub

6.2.9.7 KeyFrameCount

KeyFrameCount The KeyFrameCount with DataType UInt32 is the multiplier of the PublishingInterval that defines the maximum number of times the PublishingInterval expires before a key frame message, with all field
OPC-10000-14 – OPC Unified Architecture - Part 14: PubSub

6.2.11.2.2 Action execution sequence

reliable transport protocol. The request and response messages are send in the PublishingInterval of the Responder as long as the ActionState requires the exchange of messages for a Action execution ... message Idle Start Action execution Requestor sends Request Message with ActionState = Executing. Executing Executing PublishingInterval expired and no Done or Executing received from Responder. Requestor sends Request Message again with
OPC-10000-14 – OPC Unified Architecture - Part 14: PubSub

6.3.1.1.1 Relationship of Timing parameters

Relationship of Timing parameters The PublishingInterval , the SamplingOffset the PublishingOffset and the timestamp in the NetworkMessage header shall use the same time base. If an underlying network provides a synchronized ... used as the time base for the Publisher and Subscriber . The beginning of a PublishingInterval shall be a multiple of the PublishingInterval relative to the start of the time base
OPC-10000-14 – OPC Unified Architecture - Part 14: PubSub

6.3.1.1.3 DataSetOrdering

their distribution into NetworkMessages is allowed. Ordering and distribution even may change between each PublishingInterval . If DataSetOrdering is set to AscendingWriterId, the Publisher shall fill up each NetworkMessage with DataSets
OPC-10000-14 – OPC Unified Architecture - Part 14: PubSub

6.3.1.1.5 SamplingOffset

defines the time in milliseconds for the offset of creating the NetworkMessage in the PublishingInterval cycle. Any negative value indicates that the optional parameter is not configured. In this case
OPC-10000-14 – OPC Unified Architecture - Part 14: PubSub

6.3.1.1.6 PublishingOffset

DataType Duration that defines the time in milliseconds for the offset in the PublishingInterval cycle of sending the NetworkMessage to the network. Any negative value indicates that the PublishingOffset ... configured and the timing inside the PublishingInterval is application specific. The Duration DataType is a subtype of Double and allows configuration of intervals smaller than a millisecond. Figure 31 depicts
OPC-10000-14 – OPC Unified Architecture - Part 14: PubSub

6.3.1.3.4 NetworkMessageNumber

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 that ... distributed or chunked over more than one NetworkMessage , the first NetworkMessage in a PublishingInterval shall be generated with the value 1, the following NetworkMessages shall be generated with incrementing NetworkMessageNumbers
OPC-10000-14 – OPC Unified Architecture - Part 14: PubSub

6.3.1.4.2 NetworkMessageNumber

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

6.3.1.4.7 PublishingInterval

PublishingInterval The PublishingInterval with DataType Duration indicates the rate the Publisher sends NetworkMessages related to the DataSet . The start time for the periodic execution of the Subscriber shall be calculated
OPC-10000-14 – OPC Unified Architecture - Part 14: PubSub

6.3.1.4.8 ReceiveOffset

ReceiveOffset with DataType Duration defines the time in milliseconds for the offset in the PublishingInterval cycle for the expected receive time of the NetworkMessage for the DataSet from the network ... negative value indicates that the ReceiveOffset is not configured and the timing inside the PublishingInterval is not defined
OPC-10000-14 – OPC Unified Architecture - Part 14: PubSub

6.3.1.4.9 ProcessingOffset

ProcessingOffset with DataType Duration defines the time in milliseconds for the offset in the PublishingInterval cycle when the received DataSet need to be processed by the application in the Subscriber ... different timing offsets inside a PublishingInterval cycle on the Publisher and Subscriber sides are shown in Figure 29 . Any negative value indicates that the ProcessingOffset is not configured
OPC-10000-14 – OPC Unified Architecture - Part 14: PubSub

7.2.4.4.2 NetworkMessage layout

Unique number of a NetworkMessage across the combination of PublisherId and WriterGroupId within one PublishingInterval . The number is needed if the DataSetMessages for one group are split into more than ... NetworkMessage in a PublishingInterval . The value 0 is invalid. This field shall be omitted if bit 2 of the GroupFlags is false. SequenceNumber UInt16 Sequence number for each new NetworkMessage
OPC-10000-14 – OPC Unified Architecture - Part 14: PubSub

9.1.3.7.2 PubSubConfigurationRefMask

fields are used for the match, the others are ignored. SecurityMode SecurityGroupId SecurityKeyServices MaxNetworkMessageSize PublishingInterval KeepAliveTime Priority HeaderLayoutUri TransportSettings MessageSettings For the ReaderGroupDataType , the following structure fields are used
OPC-10000-14 – OPC Unified Architecture - Part 14: PubSub

9.1.6.3 WriterGroupType

Subtype of PubSubGroupType defined in 9.1.6.2 HasProperty Variable WriterGroupId UInt16 PropertyType Mandatory HasProperty Variable PublishingInterval Duration PropertyType Mandatory HasProperty Variable KeepAliveTime Duration PropertyType Mandatory HasProperty Variable Priority Byte PropertyType Mandatory ... Optional Conformance Units PubSub Model Base The WriterGroupId is defined in 6.2.6.1 . The PublishingInterval is defined in 6.2.6.2 . The KeepAliveTime is defined in 6.2.6.3 . The Priority is defined
OPC-10000-14 – OPC Unified Architecture - Part 14: PubSub

9.2.1.3 UadpDataSetReaderMessageType

HasProperty Variable NetworkMessageContentMask UadpNetworkMessage‌ContentMask PropertyType Mandatory HasProperty Variable DataSetMessageContentMask UadpDataSetMessage‌ContentMask PropertyType Mandatory HasProperty Variable PublishingInterval Duration PropertyType Mandatory HasProperty Variable ReceiveOffset Duration PropertyType Mandatory HasProperty Variable ProcessingOffset Duration PropertyType Mandatory ... null. The NetworkMessageContentMask is defined in 6.3.1.4.5 . The DataSetMessageContentMask is defined in 6.3.1.4.6 . The PublishingInterval is defined in 6.3.1.4.7 . The ReceiveOffset is defined in 6.3.1.4.8 . The ProcessingOffset is defined
OPC-10000-14 – OPC Unified Architecture - Part 14: PubSub

A.2.1.1 Motivation

layout of the data that needs to be transferred is the same in every PublishingInterval . When the message layout is the same in every PublishingInterval , and the Subscriber knows this
OPC-10000-14 – OPC Unified Architecture - Part 14: PubSub

A.2.1.2 Overview

DataSetMessages The sequence of the DataSetMessages within a NetworkMessage is the same in every PublishingInterval The layout of the fields within every DataSetMessage is the same in every PublishingInterval Note
OPC-10000-17 – OPC Unified Architecture - Part 17: Alias Names

D.1.3 PubSub AliasName Notification Configuration

additional details on data key frames, data delta frame, PublishingIntervals and security settings. PublishingInterval that is defined for the published messages. The KeyFrameCount that is defined for the published messages ... multiplier of the PublishingInterval that defines the maximum number of times the PublishingInterval expires before a data key frame message is sent. The KeepAliveTime that is defined for the published
OPC-10000-81 – OPC Unified Architecture - Part 81: UAFX Connecting Devices and Information Model

5.5.2 Generation, deployment, and modification

information that is only available at commissioning time or communication-related properties like the PublishingInterval for data exchange can be modified by a system integrator. The changes that
OPC-10000-81 – OPC Unified Architecture - Part 81: UAFX Connecting Devices and Information Model

6.8.1 Overview

Variable to any value, including one of the Selections . For example, the value of PublishingInterval may be restricted to the values 2 ms, 4 ms, and 8 ms by adding
OPC-10000-81 – OPC Unified Architecture - Part 81: UAFX Connecting Devices and Information Model

6.13.3.2 PubSubCommunicationFlowConfigurationType definition

HasComponent Variable 4:HeaderLayoutUri 0:String 0:SelectionListType O 0:HasComponent Variable 4:PublishingInterval 0:Duration 0:SelectionListType O 0:HasComponent Variable 4:Qos 4:CommunicationFlowQosDataType 0:SelectionListType ... opcfoundation.org/UA/PubSub-Layouts/UADP-Periodic-Fixed ). For the definition of HeaderLayoutUri , see OPC 10000-14 . The optional PublishingInterval specifies the interval to be used for publishing NetworkMessages . For the definition of PublishingInterval
OPC-10000-81 – OPC Unified Architecture - Part 81: UAFX Connecting Devices and Information Model

E.1.3.2 Multiple logical connections - two AutomationComponents

illustrated in Figure E.3 . In this example, one of the connections requires a fast PublishingInterval and Qos for the exchange of real-time data, and the other connection requires ... slow PublishingInterval and best-effort for the exchange of status data. Figure E.2 - Multiple logical connections between two AutomationComponents NOTE In this and the following figures, ServerAddress , HasCommunicationFlowConfiguration References
OPC-10000-81 – OPC Unified Architecture - Part 81: UAFX Connecting Devices and Information Model

E.4.1 Overview

configuration contains various settings that have an influence on the communication model, including Address , PublishingInterval , QoS , MessageReceiveTimeout, ReceiveQos and SecurityMode (see 6.13.3 for additional details). Some of these settings
OPC-10000-81 – OPC Unified Architecture - Part 81: UAFX Connecting Devices and Information Model

E.6.2 ConnectionConfigurationSet and WriterGroup

PubSubConnection . TransportProfileUri is used to set up the information in the PubSubConnection , whereas HeaderLayoutUri , PublishingInterval, Qos, SecurityMode and SecurityGroupId are used to set up the information in the WriterGroup ... recommendations in OPC 10000-14 . For UADP-PeriodicFixed, KeepAliveTime should be set to PublishingInterval . LocaleIds can be set to a value different from null if the translation of Strings will
OPC-10000-81 – OPC Unified Architecture - Part 81: UAFX Connecting Devices and Information Model

E.6.5 ConnectionConfigurationSet and DataSetReader

used. They will be used when additional Quality of Services are specified. GroupVersion and PublishingInterval are set corresponding to the Publisher of the DataSetMessage. DataSetClassId can be set to NULL
OPC-10000-81 – OPC Unified Architecture - Part 81: UAFX Connecting Devices and Information Model

F.1.7 PubSubCommunicationFlowConfigurationConfDataType

True HeaderLayoutUriModify 0:Boolean Flag indicating if the HeaderLayoutUri options can be modified. True PublishingInterval 0:Duration PublishingInterval specifies the interval to be used for publishing NetworkMessages . True PublishingIntervalSelection ... Duration[] Selection list options for PublishingInterval. True PublishingIntervalModify 0:Boolean Flag indicating if the PublishingInterval options can be modified. True Qos 4:CommunicationFlowQosDataType The optional Qos specifies the Quality