1. Interface Mitsubishi PLC with PC by interface cable. ( RS232, USB, Etc )

2. Open GX Developer Software.
- Select online -> Read from PLC.

3. Select Main + PLC parameter -> Execute -> Yes
- To back up Main ladder and PLC parameter

4. Waiting for read PLC Programs data -> OK

5. Open Project -> Save as -> Create name for your PLC Programs back up -> Save.


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