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

57 result(s) for PublisherId

OPC-10000-2 – OPC Unified Architecture - Part 2: Security Model

5.1.4 Message spoofing

threats by providing the ability to sign messages. Messages can also contain a valid PublisherId , DataSetClassId , timestamp information, network message number and sequence number, which further restricts Message spoofing
OPC-10000-14 – OPC Unified Architecture - Part 14: PubSub

5.4.1.2 Message sending

NetworkMessage . It uses the data provided from the previous step together with the PublisherId (see 6.2.7.1 ) defined on the PubSubConnection . The structure of this message is protocol specific
OPC-10000-14 – OPC Unified Architecture - Part 14: PubSub

6.2.3.10.3 ActionTargets

ActionMetaData . It is used to address the Action target in combination with the PublisherId and the DataSetWriterId . Name String Name of the Action target. Description LocalizedText Description of the Action
OPC-10000-14 – OPC Unified Architecture - Part 14: PubSub

6.2.4.1 DataSetWriterId

PublishedDataSet on the Subscriber side. It shall be unique across all DataSetWriters for a PublisherId . All values, except for 0, are valid DataSetWriterIds . The value 0 is defined as null
OPC-10000-14 – OPC Unified Architecture - Part 14: PubSub

6.2.7.1 PublisherId

PublisherId The PublisherId is a unique identifier for a Publisher within a Message Oriented Middleware . It can be included in sent NetworkMessage for identification or filtering. The value ... PublisherId is typically shared between PubSubConnections but the assignment of the PublisherId is vendor specific. The PublisherId parameter is only relevant for the Publisher functionality inside a PubSubConnection . The filter
OPC-10000-14 – OPC Unified Architecture - Part 14: PubSub

6.2.9.1 PublisherId

PublisherId The parameter PublisherId defines the Publisher to receive NetworkMessages from. If the value is null, the parameter shall be ignored and all received NetworkMessages pass the PublisherId filter. Valid
OPC-10000-14 – OPC Unified Architecture - Part 14: PubSub

6.3.1.1.4 NetworkMessageContentMask

formally defined in Table 97 . Table 97 - UadpNetworkMessageContentMask values Value Bit No. Description PublisherId 0 The PublisherId is included in the NetworkMessage s. GroupHeader 1 The GroupHeader is included
OPC-10000-14 – OPC Unified Architecture - Part 14: PubSub

6.3.2.1.1 NetworkMessageContentMask

FieldEncoding1 and FieldEncoding2) are applied. SingleDataSetMessage 2 Each JSON NetworkMessage contains only one DataSetMessage . PublisherId 3 The PublisherId is included in the NetworkMessage s. DataSetClassId 4 The DataSetClassId is included
OPC-10000-14 – OPC Unified Architecture - Part 14: PubSub

6.3.2.3.1 DataSetMessageContentMask

field encoding configuration through the bits FieldEncoding1 and FieldEncoding2 is defined in Table 112 . PublisherId 8 The PublisherId is included in the DataSetMessage s. This bit shall be false
OPC-10000-14 – OPC Unified Architecture - Part 14: PubSub

6.4.1.3.8 Topic

Message Oriented Middleware . A unique default name can be created by combining the PublisherId with the WriterGroupId using '.' As separator
OPC-10000-14 – OPC Unified Architecture - Part 14: PubSub

7.2.4.1 General

processing of the messages on the Subscriber side. Other optional fields like PublisherId , DataSetWriterId or sizes of DataSetMessages are typically necessary for the processing of messages in generic Subscribers
OPC-10000-14 – OPC Unified Architecture - Part 14: PubSub

7.2.4.4.2 NetworkMessage layout

UADPVersion for this specification version is 1. UADPFlags Bit[4-7] Bit 4: PublisherId enabled If the PublisherId is enabled, the type of PublisherId is indicated in the ExtendedFlags1 field ... PublisherId is enabled is false, the ExtendedFlags1 PublisherId Type flags shall be false. Bit 5: GroupHeader enabled Bit 6: PayloadHeader enabled Bit 7: ExtendedFlags1 enabled The bit shall be false
OPC-10000-14 – OPC Unified Architecture - Part 14: PubSub

7.2.4.5.9 Action request message

within one ActionMetaData . It is used to address the Action in combination with the PublisherId and the DataSetWriterId defined by the Responder. RequestId UInt16 Request identifier provided by the Requestor
OPC-10000-14 – OPC Unified Architecture - Part 14: PubSub

7.2.4.5.10 Action response message

within one ActionMetaData . It is used to address the Action in combination with the PublisherId and the DataSetWriterId defined by the Responder. RequestId UInt16 Request identifier provided by the Requestor
OPC-10000-14 – OPC Unified Architecture - Part 14: PubSub

7.2.4.6.3 Discovery announcement header

flags ensures a known value for the first three bytes plus the PublisherId in the NetworkMessage , except for the Chunk bit 0 in ExtendedFlags2. The actual security settings ... incremented by exactly one, for each discovery announcement sent in the scope of a PublisherId . The encoding of the OPC UA Application information announcement message structure is specified in Table
OPC-10000-14 – OPC Unified Architecture - Part 14: PubSub

7.2.4.6.7 Status

field is not present if IsCyclic=FALSE. IsCyclic is set to FALSE if a PublisherId is used exclusively by a single application and the Message Oriented Middleware can detect when
OPC-10000-14 – OPC Unified Architecture - Part 14: PubSub

7.2.4.6.12.2 Traffic reduction

case of multicast or broadcast communication. A Subscriber should cache configuration information for PublisherId and DataSetWriterIds of interest. If a Subscriber requires information from Publishers after a startup or version
OPC-10000-14 – OPC Unified Architecture - Part 14: PubSub

7.2.4.6.12.3 Discovery probe header

FindApplications probe message. The message type does not have additional fields. The PublisherId is set to NULL
OPC-10000-14 – OPC Unified Architecture - Part 14: PubSub

7.2.5.3 NetworkMessage containing DataSetMessages

data" for NetworkMessages containing DataSetMessages . This value is always present. PublisherId String A unique identifier for the Publisher . It identifies the source of the message. The presence ... value depends on the setting in the JsonNetworkMessageContentMask . The source is the PublisherId on a PubSubConnection (see 6.2.7.1 ). If the PublisherId is a UInteger , the UInteger value is converted
OPC-10000-14 – OPC Unified Architecture - Part 14: PubSub

7.2.5.4.1 Message content

DataSetMessage . The presence of the value depends on the setting in the JsonDataSetMessageContentMask . PublisherId String A unique identifier for the Publisher . It identifies the source of the message. The presence ... value depends on the setting in the JsonDataSetMessageContentMask . The source is the PublisherId on a PubSubConnection (see 6.2.7.1 ). If the PublisherId is a UInteger , the UInteger value is converted
OPC-10000-14 – OPC Unified Architecture - Part 14: PubSub

7.2.5.5.5 Status

MessageType String This value shall be "ua-status". This value is mandatory. PublisherId String The Publisher that sent the message. This value is mandatory. Timestamp UtcTime When ... field is omitted if IsCyclic=FALSE. IsCyclic is set to FALSE if a PublisherId is used exclusively by a single application and the Message Oriented Middleware can detect when Publishers
OPC-10000-14 – OPC Unified Architecture - Part 14: PubSub

7.2.5.6.1 Action NetworkMessage

messages or "ua-action-response" for Response messages. This value is mandatory. PublisherId String The PublisherId of the Responder for the "ua-action-request ... Response message if it was included in the Request message. RequestorId String The PublisherId of the Requestor for the "ua-action-request" and "ua-action-response
OPC-10000-14 – OPC Unified Architecture - Part 14: PubSub

7.2.5.6.2 ActionRequest

mandatory. It is used to address the Action target in combination with the PublisherId and the DataSetWriterId . DataSetWriterName String The name of the DataSetWriter which created the DataSetMessage . The presence
OPC-10000-14 – OPC Unified Architecture - Part 14: PubSub

7.2.5.6.3 ActionResponse

mandatory. It is used to address the Action target in combination with the PublisherId and the DataSetWriterId . DataSetWriterName String The name of the DataSetWriter which created the DataSetMessage . The presence
OPC-10000-14 – OPC Unified Architecture - Part 14: PubSub

7.3.2.3 UDP unicast

filtering and assignment of NetworkMessages for the Subscriber is done based on the PublisherId . The hostname for the Url in the PubSubConnection Address parameter is set to 'localhost' since
OPC-10000-14 – OPC Unified Architecture - Part 14: PubSub

7.3.4.4 Connection properties

connection properties shall be silently discarded. If the ClientID is not configured, the PublisherId is used as ClientID. If the PublisherId has a UInteger DataType , the UInteger value is converted
OPC-10000-14 – OPC Unified Architecture - Part 14: PubSub

7.3.4.7.1 General

following general pattern: <Prefix>/<Encoding>/<MqttMessageType>/<PublisherId>/[<WriterGroup>[/<DataSetWriter>]] Where Topic levels are: <Prefix ... content of the messages published to the Topic as defined in 7.3.4.7.2 ; <PublisherId> uniquely identifies a Publisher within the scope of the prefix; <WriterGroup
OPC-10000-14 – OPC Unified Architecture - Part 14: PubSub

7.3.4.7.2 MessageType mapping

topic with message type action-request is defined by the Responder with its PublisherId but the Requestors must have write permission to the topic. Only the Responder should be able
OPC-10000-14 – OPC Unified Architecture - Part 14: PubSub

7.3.4.7.3 data Topic level

data Topic has the form: <Prefix>/<Encoding>/data/<PublisherId>/<WriterGroup>[/<DataSetWriter>] The <PublisherId> Topic level is the PublisherId ... Topic with the same <Prefix>, <Encoding> and <PublisherId>. The PubSubConnection specifies the WriterGroups and DataSetWriters for a Publisher
OPC-10000-14 – OPC Unified Architecture - Part 14: PubSub

7.3.4.7.4 metadata Topic level

metadata Topic has the form: <Prefix>/<Encoding>/metadata/<PublisherId>/<WriterGroup>/<DataSetWriter> The <PublisherId> Topic level is the PublisherId ... Topic with the same <Prefix>, <Encoding> and <PublisherId>. The PubSubConnection specifies the WriterGroups and DataSetWriters for a Publisher
OPC-10000-14 – OPC Unified Architecture - Part 14: PubSub

7.3.4.7.5 application Topic level

application Topic has the form: <Prefix>/<Encoding>/application/<PublisherId> The <PublisherId> Topic level is the PublisherId for the application sending the messages
OPC-10000-14 – OPC Unified Architecture - Part 14: PubSub

7.3.4.7.6 endpoints Topic level

endpoints Topic has the form: <Prefix>/<Encoding>/endpoints/<PublisherId> The <PublisherId> Topic level is the PublisherId for the application sending the messages
OPC-10000-14 – OPC Unified Architecture - Part 14: PubSub

7.3.4.7.7 status Topic level

status Topic has the form: <Prefix>/<Encoding>/status/<PublisherId> The <PublisherId> Topic level is the PublisherId for the application sending the messages ... instances of the Status MessageType (see 7.2.2 ). A Publisher that is exclusively using a PublisherId shall register a Status message as an MQTT Will message when it creates the connection
OPC-10000-14 – OPC Unified Architecture - Part 14: PubSub

7.3.4.7.8 connection Topic level

connection Topic has the form: <Prefix>/<Encoding>/connection/<PublisherId> The <PublisherId> Topic level is the PublisherId for the application sending the messages ... This value shall be the same as the PublisherId in PubSubConnection provided in the message. The PublisherId in the PubSubConnection uniquely identifies the Publisher within the scope defined
OPC-10000-14 – OPC Unified Architecture - Part 14: PubSub

7.3.4.7.9 action-request Topic level

Responder>/<WriterGroup> The <Responder> Topic level is the PublisherId for the Responder of the Actions . The <WriterGroup> Topic level is the name
OPC-10000-14 – OPC Unified Architecture - Part 14: PubSub

7.3.4.7.10 action-response Topic level

Responder>/<WriterGroup> The <Responder> Topic level is the PublisherId for the Responder of the Actions . The <WriterGroup> Topic level is the name
OPC-10000-14 – OPC Unified Architecture - Part 14: PubSub

7.3.4.7.11 action-responder Topic level

Encoding>/action-responder/<Responder> The <Responder> Topic level is the PublisherId for the Responder of the Actions . This value shall be the same as the PublisherId ... PubSubConnection provided in the message. The PublisherId in the PubSubConnection uniquely identifies the Publisher within the scope defined by the <Prefix>. If it is a String, it should
OPC-10000-14 – OPC Unified Architecture - Part 14: PubSub

7.3.4.7.12 action-metadata Topic level

WriterGroup>/<DataSetWriter> The <Responder> Topic level is the PublisherId for the Responder of the Action . The <Group> Topic level is the name ... Topic with the same <Prefix>, <Encoding> and <PublisherId>. The PubSubConnection specifies the WriterGroups and DataSetWriters for a Publisher
OPC-10000-14 – OPC Unified Architecture - Part 14: PubSub

9.1.3.2 PublishSubscribeType

Server . The TransportProfileUris are defined in OPC 10000-7 . The default unique PublisherId is provided through the Property DefaultDatagramPublisherId . Further details for the PublisherId are defined in 6.2.7.1 . The DefaultDatagramPublisherId ... used by configuration tools to assign a unique PublisherId when adding PubSubConnections with datagram transports or broker based transports. It is also used when the PublishedId is automatically assigned
OPC-10000-14 – OPC Unified Architecture - Part 14: PubSub

9.1.3.7.2 PubSubConfigurationRefMask

name of the element is null or empty a name is assigned. If the PublisherId is null, the default PublisherId for the transport profile is assigned. If WriterGroupId or DataSetWriterId
OPC-10000-14 – OPC Unified Architecture - Part 14: PubSub

9.1.3.7.4 PubSubConfigurationValueDataType

null otherwise. If ConfigurationElement references a PubSubConnection , Identifier will contain the value of the PublisherId . If ConfigurationElement references a WriterGroup , Identifier will contain the value of the WriterGroupId . If ConfigurationElement
OPC-10000-14 – OPC Unified Architecture - Part 14: PubSub

9.1.3.7.5 ReserveIds Method

when preparing a update to the PubSub configuration. It also returns the related default PublisherId . See 6.2.7.1 for more details on PublisherId and default values. The ID shall be returned ... WriterGroups . NumReqDataSetWriterIds The number of requested Ids for DataSetWriters. DefaultPublisherId The default PublisherId of the Server for the requested TransportProfileUri . WriterGroupIds The reserved Ids for WriterGroups for the requested TransportProfileUri
OPC-10000-14 – OPC Unified Architecture - Part 14: PubSub

9.1.4.2.2 ExtensionFieldsType

namespace. Table 249 - Well-Known Extension Field Names Name Type Description PublisherId BaseDataType The PublisherId from the Connection Object . DataSetName String The Name from the DataSetMetaData . DataSetClassId Guid The DataSetClassId
OPC-10000-14 – OPC Unified Architecture - Part 14: PubSub

9.1.5.2 PubSubConnectionType

BrowseName DataType TypeDefinition ModellingRule Subtype of BaseObjectType defined in OPC 10000-5 . HasProperty Variable PublisherId BaseDataType PropertyType Mandatory HasComponent Variable TransportProfileUri String SelectionListType Mandatory HasProperty Variable ConnectionProperties KeyValuePair[] PropertyType Mandatory ... Method RemoveGroup Deprecated Method described in 9.1.5.5 . Optional Conformance Units PubSub Model Base The PublisherId is defined in 6.2.7.1 . The TransportProfileUri is defined in 6.2.7.2 . The Property is initialized with
OPC-10000-14 – OPC Unified Architecture - Part 14: PubSub

9.1.8.2 DataSetReaderType

DataType TypeDefinition Modelling Rule Subtype of BaseObjectType defined in OPC 10000-5 HasProperty Variable PublisherId BaseDataType PropertyType Mandatory HasProperty Variable WriterGroupId UInt16 PropertyType Mandatory HasProperty Variable DataSetWriterId UInt16 PropertyType Mandatory ... HasComponent Method CreateDataSetMirror Defined in 9.1.8.6 . Optional Conformance Units PubSub Model Base The Properties PublisherId, WriterGroupId, DataSetWriterId and DataSetClassId define filters for received NetworkMessages . If the value of the Property
OPC-10000-14 – OPC Unified Architecture - Part 14: PubSub

A.2.1.2 Overview

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

A.2.1.4 Header layout for NetworkMessages

header shall contain the 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 ... version shall be 1 UADPFlags Bit[4-7] Bit 4: PublisherId enabled = 1 Bit 5: GroupHeader enabled = 1 Bit 6: PayloadHeader enabled = 0 Bit 7: ExtendedFlags1 enabled = 1 ExtendedFlags1 Byte
OPC-10000-14 – OPC Unified Architecture - Part 14: PubSub

A.2.2.4 Header layout for NetworkMessages

shall consist of the following fields according to this header layout: Version / Flags ExtendedFlags1 PublisherId PayloadHeader Additional restrictions: The datatype for the PublisherId shall be UInt64 Note: For the PublisherId ... unique PublisherIds by using the local MAC address (48 bit) as part of the PublisherId . The NetworkMessage header layout is shown in Figure A.7 . Figure A.7 - UADP NetworkMessage header layout
OPC-10000-17 – OPC Unified Architecture - Part 17: Alias Names

D.1.2 PubSub multicast messages

subscription to the provided multicast address for the DataSetClassId. Subscribers can filter on the PublisherId to further restrict records to those from a subset of Servers publishing on the same ... keep alive message has no payload, it only has the network header, including a PublisherId . This message only indicates that the Publisher is still alive and publishing data. The Subscriber
OPC-10000-17 – OPC Unified Architecture - Part 17: Alias Names

D.3.2 Header layout for NetworkMessages

shall consist of the following fields according to this header layout: Version / Flags ExtendedFlags1 PublisherId DataSetClassId Additional restrictions: The datatype for the PublisherId shall be UInt64 Note: For the PublisherId ... unique PublisherIds by using the local MAC address (48 Bit) as part of the PublisherId . The NetworkMessage header layout is shown in Figure D.2 . Figure D.2 - UADP NetworkMessage header layout
OPC-10000-81 – OPC Unified Architecture - Part 81: UAFX Connecting Devices and Information Model

6.2.4.3.4.2 PubSub

EstablishConnections implementation shall return the default value for each requested TransportProfileUri for the PublisherId , the reserved WriterGroupIds , and DataSetWriterIds in the output Argument ReserveCommunicationIdsResults . Additionally, if the RequestTransportSpecificInfo
OPC-10000-81 – OPC Unified Architecture - Part 81: UAFX Connecting Devices and Information Model

6.16.3.2 PubSubCommunicationModelConfigurationType definition

certain elements in PubSubConfiguration , the entity generating the ConnectionConfigurationSet may set their identifiers (i.e., PublisherId , WriterGroupId , WriterId ) to a specific value or to null. If set to null, a unique ... This implies that there is exactly one PubSubConnection with a specific Address, determining the PublisherId to be used for that Address . It is therefore recommended that the entity generating
OPC-10000-81 – OPC Unified Architecture - Part 81: UAFX Connecting Devices and Information Model

10.44.3 PubSubReserveCommunicationIdsResultDataType

Indicates the overall result of reserving the IDs. DefaultPublisherId 0:BaseDataType Indicates the default PublisherId of the addressed Server for the requested TransportProfileUri . WriterGroupIds 0:UInt16[] Indicates the reserved
OPC-10000-81 – OPC Unified Architecture - Part 81: UAFX Connecting Devices and Information Model

E.2.2.1 For logical connections between two AutomationComponents

PubSub as a communication model, OPC 10000-14 requires certain configuration values (e.g., PublisherId , WriterGroupId , and DataSetWriterId ) to match the Publisher and its corresponding Subscribers . However, unique IDs could ... publishing side (i.e., WriterGroups and DataSetWriters for AC1) and to retrieve the default PublisherId . This Call will typically contain the VerifyAssetCmd and the VerifyFunctionalEntityCmd if required; all further commands
OPC-10000-81 – OPC Unified Architecture - Part 81: UAFX Connecting Devices and Information Model

E.2.2.2 For logical connections between multiple AutomationComponents

WriterGroups and DataSetWriters for AC1, AC2 and AC3) and to retrieve the default PublisherId . The ConnectionManager updates the communication configuration for AC1, AC2, and AC3 regarding the publishing and subscribing ... publishing side (i.e., WriterGroups and DataSetWriters for AC1) and to retrieve the default PublisherId . The ConnectionManager updates the communication configuration for AC2 and AC3 regarding the subscribing side ( DataSetReaders ) using
OPC-10000-81 – OPC Unified Architecture - Part 81: UAFX Connecting Devices and Information Model

E.6.2 ConnectionConfigurationSet and WriterGroup

updated. Figure E.26 - ConnectionConfigurationSet and WriterGroup It is recommended to update WriterGroupId and PublisherId after issuing the ReserveCommunicationIdsCmd ; see E.2 for details. Depending on the transport profile
OPC-10000-81 – OPC Unified Architecture - Part 81: UAFX Connecting Devices and Information Model

E.6.3 ConnectionConfigurationSet and ReaderGroup

SubscriberConfiguration and the PubSubConnection and ReaderGroup within the PubSubConfiguration. It is recommended to update PublisherId after issuing the ReserveCommunicationIdsCmd ; see E.2 for details. For a Subscriber, the Address will