How do I set up a Delta PLC permanent backup mechanism?


When you shut down the PLC the latched data is stored in SRAM, where power is supplied by batteries. If the batteries are damaged or have failed to charge, the data in the programs or latched area will be lost. This is why it is very important for program designers to set up a Flash ROM permanent maintenance and recovery mechanism to back up the data in the program area and D register.

Procedures:-

Step 1. Open WPLSoft -> Choose Option  -> Choose PLC Second Backup Setting
Step 2. Choose to Write to Backup Are  to backup programs and data or  Read from Backup Are  to recover programs and data
Step 3. Choose to backup/recover the  PLC Program  or   Register (D2000~D11999)

Summary
Article Name
How do I set up a Delta PLC permanent backup mechanism?
Description
When you shut down the PLC the latched data is stored in SRAM, where power is supplied by batteries. If the batteries are damaged or have failed to charge, the data in the programs or latched area will be lost.
Author
Publisher Name
IPCS
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