Step 1. Enable Delta ISPsoft, click [PLC] and select [Edit Register Memory (T, C, D)] from the drop-down menu to open the [Edit Register Memory] dialog window. 140624_FAQ_ch_pic002.jpg Step 2. Click the [Transfer] button in the [Edit Register Memory] dialog window below. 140624_FAQ_ch_pic003.jpg Step 3. The [Transfer Setup] window appears as below. Select [Read from PLC Device Register] and check all the boxes next to“Bank” in the [Bank Area Setup] option. Then, click the [OK] button to perform the backup. 140624_FAQ_ch_pic004.jpg Step 4. The dialog window pops up to indicate that the backup is in progress. 140624_FAQ_ch_pic005.jpg Step 5. After the backup is completed, the backup data registers are read and displayed in the table of the [Edit Register Memory] dialog window. 140624_FAQ_ch_pic006.jpg Users can follow the same steps above to read and backup the relays and other internal devices in a PLC.