Adding or updating device definition files (DDFs) for Modbus

Use the wizard to add or update the DDFs available for the Modbus devices supported by the server. The new or updated DDFs can be uploaded to the server from a local file, or downloaded from the APC website.

1. Select Device Definition Files, a Modbus Device Communication Settings option in the Device menu.
2. Select the Device Definition Files option in the "Modbus Device Settings" display.
3. Click Add/Update Definitions in the Device Definition Files tab.
4. In the "Select Update Method" display, select the option you want to use to add or update DDFs, and follow the appropriate instructions.
   • To use files from APC, see step 5.
   • To use files previously downloaded to a local computer, see step 6.
5. To download files from APC, do the following.
   1. Select Check APC Website and click Next.
   2. In the "Select DDF Files" display, select the files you want to download, click Next, and go to step 7.
6. To use a local file, do the following.
   1. Select Local File and click Browse.
   2. In the "Open" display, navigate to the file you want to use, and double-click that file (or click it once, and then click Open).
   3. In the "Select Update Method" display, verify the correct file is identified, click Next, and go to step 7.
7. In the "Installed/Updated DDF Files" display, verify the files you selected are listed, and click Finish, to exit the wizard, or Back, to return to the "Select Update Method" display.