InterpTrend
- Last UpdatedNov 02, 2023
- 1 minute read
The function of this Business Logic Tier (BLT) is to retrieve collection and summary data from the PI server. The procedure returns interpolated values from the PI Archive over the specified time range.
Syntax
InterpTrend <table_name> <tag_name> <column_name> <start_time> <end_time> <show_DQ>
Parameters
|
Name |
Description |
|---|---|
|
table_name |
This parameter displays the length of the summary period used to calculate the summary values. This can be any of the following: hour, day, month, or year. |
|
tag_name |
This parameter displays the name of the point to be viewed. |
|
column_name |
This parameter displays the sample interval time used to calculate the interpolated values. This must be the value column. |
|
start_time |
This parameter indicates the start time in Greenwich Mean Time (GMT). |
|
end_time |
This parameter indicates the end time in GMT. |
|
show_DQ |
This parameter indicates whether or not the return value will display data quality. This is an optional field. The default value is yes. |