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

8 result(s) for GroupHeader

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

6.3.1.1.4 NetworkMessageContentMask

Value Bit No. Description PublisherId 0 The PublisherId is included in the NetworkMessage s. GroupHeader 1 The GroupHeader is included in the NetworkMessages . WriterGroupId 2 The WriterGroupId field is included ... 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
OPC-10000-14 – OPC Unified Architecture - Part 14: PubSub

7.2.4.4.2 NetworkMessage layout

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, if ExtendedFlags1 ... DataSetClassId. The DataSetClassId shall be omitted if bit 3 of the ExtendedFlags1 is false. GroupHeader The group header shall be omitted if bit 5 of the UADPFlags is false. GroupFlags
OPC-10000-14 – OPC Unified Architecture - Part 14: PubSub

9.1.3.7.2 PubSubConfigurationRefMask

fail with Bad_InvalidArgument. Match applied to ReferenceWriterGroup shall return Bad_InvalidState if the GroupHeader is active for the WriterGroup . For the PubSubConnectionDataType , the following structure fields are used
OPC-10000-14 – OPC Unified Architecture - Part 14: PubSub

A.2.1.2 Overview

received message matches the expected message layout. Fields of the NetworkMessage header and the GroupHeader will be used for this purpose. PublisherId and WriterGroupId identify the WriterGroup . The NetworkMessageNumber
OPC-10000-14 – OPC Unified Architecture - Part 14: PubSub

A.2.1.4 Header layout for NetworkMessages

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 ... UInt64 Configured value for the PubSubConnection. The datatype shall be UInt16 or UInt64. GroupHeader GroupFlags Byte Bit 0: Writer GroupId enabled = 1 Bit 1: GroupVersion enabled = 1 Bit 2: NetworkMessageNumber
OPC-10000-14 – OPC Unified Architecture - Part 14: PubSub

A.2.2.2 Overview

header fields are enabled in the DataSetMessage header with this header layout but the GroupHeader is deactivated
OPC-10000-14 – OPC Unified Architecture - Part 14: PubSub

A.2.2.4 Header layout for NetworkMessages

shall be 1 UADPFlags Bit[4-7] Bit 4: PublisherId enabled = 1 Bit 5: GroupHeader enabled = 0 Bit 6: PayloadHeader enabled = 1 Bit 7: ExtendedFlags1 enabled = 1 ExtendedFlags1 Byte
OPC-10000-17 – OPC Unified Architecture - Part 17: Alias Names

D.3.2 Header layout for NetworkMessages

shall be 1 UADPFlags Bit[4-7] Bit 4: PublisherId enabled = 1 Bit 5: GroupHeader enabled = 0 Bit 6: PayloadHeader enabled = 0 Bit 7: ExtendedFlags1 enabled = 1 ExtendedFlags1 Byte