SQL-Selects
No data transfer from the database - but also no transfer error
Your connection should read data from the database. You have configured a DB object with SQL Select and Filter for this. The OPC Router status does not show an error, but no data is transmitted at the set time.
- In the DB transfer object, there is the tab “Query”. Set the option here “With empty SELECT - Return read error”. If the cause for the failed transfers is an empty SELECT result, the status will now display an error.