Table Properties for an ODBC Data Source
Column Name | Data Type | Description |
---|---|---|
TableName | String | Enter the name of the table. A value is required and must match the name of a table you specify in the list of tags. |
TagNameColumn | String | Enter the name of the tag whose data you want to extract from the table. A value is required and must match the name of a tag you specify in the list of tags. |
TimestampColumn | String | Enter the name of the column in the database table from which you want to extract the timestamp values. |
ValueColumn | String | Enter the name of the column in the database table from which you want to extract the tag values. |
QualityColumn | String | Enter the name of the column in the database table from which you want to extract the quality values. |
ihOPCBad | String | Enter the values or range of values whose quality must be
considered bad. For example, if a tag value is considered bad when
the value is between 0 and 50, enter
<ihOPCBad>0-50</ihOPCBad> . You can also
enter words and values separated by commas (for example,
<ihOPCBad>bad, uneven</ihOPCBad> ).A value is required. |
ihOPCGood | String | Enter the values or range of values whose quality must be
considered good. For example, if a tag value is considered good when
the value is between 51 and 100, enter
<ihOPCGood>51-100</ihOPCGood> . You can
also enter words and values separated by commas (for example,
<ihOPCGood>good, better,
excellent</ihOPCGood> ).A value is required. |
ihOPCUncertain | String | Enter the values or range of values whose quality must be
considered uncertain. For example, if a tag value is considered
uncertain when the value is 101 or 102, enter
<ihOPCUncertain>101,102</ihOPCUncertain> .
You can also enter a range of values. |
ihOPCNA | String | Enter the values or range of values whose quality must be
considered not applicable. For example, if a tag value is considered
not applicable when the value is 103, 104, or 105, enter
<ihOPCNA>103,104,105</ihOPCNA> . You can
also enter a range of values. |
Condition | String | Enter the condition that you want to use to filter data. For example, if you enter Historian = 1, you can use this condition in a WHERE clause when querying data. |