Run the Historian data importer from a command prompt
- Last UpdatedDec 12, 2025
- 1 minute read
You can run the Historian Data Importer in console mode from a command prompt to process CSV files.
The following table describes the command line arguments when running the utility in console mode. All the arguments are case-insensitive. The utility returns a 0 or a non-zero integral value, where 0 indicates success and a non-zero value indicates an error code.
|
Argument |
Description |
Optional? |
Example |
|---|---|---|---|
|
-? or -help |
Shows the help. |
Yes |
aahimport.exe -? aahimport.exe -help |
|
-f |
Name of a single CSV file to process. |
No |
aahimport.exe -f "C:\CSVFiles\201312021201.CSV" |
|
-h |
Name of the Historian node on which the utility is running. |
No |
aahimport.exe -h HistNode |
|
-e |
This is the file encoding type to use. Valid values are: ASCII, UNICODE, or UTF-8. |
Yes |
aahimport.exe -e ASCII |
|
-a |
Specifies that data should be processed as streamed values. |
Yes |
aahimport.exe -f "C:\CSVFiles\201312021201.CSV" -a |
|
-u and -p |
Administrative security credentials for logging on to the Historian computer. |
Yes |
aahimport.exe -u "username" -p "password" |
|
-fw |
Specifies for the utility to "watch" the folder and process any valid CSV file that is placed there. |
Yes |
aahimport.exe -fw "C:\CSVFiles" -h HistNode |