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Altivar drives are reseting back to a factory default when you plug in the CANopen network cable?
Altivar ATV31, ATV312, ATV61, ATV71, ATV32
All with CANopen network
The drives configuration is reset back to factory default.
1.) Verify that the PLC is not commuicating to the command word CMI address 8504. Setting Bit 0 to 1 will reset the drive back to a factory default.
2.) Verify that the Bootup Procedure Configuration in the PLC does not have "Restore all parameters" selected. Make sure this is NOT selected.