Steps to reset a Schneider Electric/Modicon PLC to Factory Setting via Ecostruxure Control Expert (Unity Pro)

The M580 and M340 can be reset to Factory setting using Unity Pro software, there are a few simple steps to reset the controller to factory settings.


From an open Ecostruxure Control Expert or Unity Pro, open a project or create a new one.


First you will need to connect to the PAC by USB or Ethernet. Choose the PLC menu and Set Address.

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Choose either to connect via TCPIP.

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Or connect via USB

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Upon successful connection, you are informed. Click on OK.

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Go to the PLC menu and Connect.

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In Control Expert/Unity Pro, go to the PLC menu and choose Transfer Project to PLC.

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Choose to Transfer the project to the controller.

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Confirm stoppage of the project, click OK.

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During the Project Transfer, unplug the Ethernet or USB connection. You will see failed on retry messages on the Project Transfer thermometer.

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Next, you will be alerted that communication failed and that you are automatically returned to offline mode. Click on OK for both prompts.

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Reconnect the cable go to the PLC menu and Connect.

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The status bar indicates that there is NO CONF in the controller.

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Click on PLC menu -> Project Backup -> Backup Clear

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Click Ok button on the warning message "Potential content of the Backup zone will be erased Do you confirm?"

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Restart/power cycle the PLC.

For further information or Technical Support on Schneider Electric control products, you can contact 1-888-266-8705 or online www.se.com or Schneider Portal

If you would like to explore an upgrade or purchase of the Ecostruxure Control Expert, contact us at 1-888-451-3991 or orders@guilleviniag.com

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