TopicImportInfo
- Last UpdatedMar 10, 2025
- 2 minute read
Contains one row for each topic definition imported from an InTouch node.
|
Column |
Data Type |
Description |
|---|---|---|
|
(PK) (FK) NodeKey |
int NOT NULL |
The unique numerical identifier of the named InTouch node. This value is automatically generated by the system when the node is added. |
|
(PK) DdeSourceKey |
int NOT NULL |
The unique identifier for the DDE source. Assigned by the AVEVA Historian system when data is imported. |
|
SourceName |
nchar(50) NOT NULL |
The DDE Access Name from InTouch. |
|
ApplicationName |
nchar(50) NULL |
The name of the InTouch application from which the topic definition is imported. |
|
TopicName |
nchar(50) NOT NULL |
The name of the topic definition that is imported. |
|
RequestInitialData |
bit NOT NULL |
Used to determine if the topic was configured to request initial data. See the InTouch documentation for more information. Internal use only. |
|
AlwaysAdvise |
bit NOT NULL |
Used to determine if the topic was configured to poll all items for data. See the InTouch documentation for more information. Internal use only. |
|
DefaultStorageRate |
int NOT NULL |
The cyclic storage rate for the topic. Internal use only. |
|
DefaultStorageType |
int NOT NULL |
The default storage type for the topic. Internal use only. |
|
TimeDeadband |
int NOT NULL |
The minimum time, in milliseconds, between returned values for a single tag. Applies only to delta retrieval. |
|
ValueDeadband |
float NOT NULL |
Either the InTouch log deadband or the AVEVA Historian deadband, as specified by the DeadbandType column. Internal use only. |
|
DeadbandType |
tinyint NULL |
The type of deadband used. Internal use only. |
|
Import |
bit NOT NULL |
Used to indicate whether the topic has previously been imported from InTouch into AVEVA Historian. Internal use only. |
|
ProtocolType |
tinyint NOT NULL |
The protocol used by the AVEVA Historian server to communicate with the I/O Server. Internal use only. |
|
IODriverKey |
int NULL |
The unique identifier for an IDAS. |
|
RateDeadband |
float NOT NULL |
The rate deadband that was specified during the InTouch topic import. Internal use only. This rate deadband is not used for swinging door storage. For more information on the rate deadband for swinging door storage, see AnalogSummaryTag. |