Unidrive M400 Quick Start Guide 23
Issue Number: 5
5.1 Saving parameters
When changing a parameter in Menu 0, the new value is saved when pressing the Enter button
to return to parameter view mode from parameter edit mode.
If parameters have been changed in the advanced menus, then the change will not be saved
automatically. A save function must be carried out.
Procedure
1. Select ‘Save parameters'* in Pr mm.000 (alternatively enter a value of 1000* in Pr mm.000)
2. Either:
• Press the red reset button
• Carry out a drive reset through serial communications by setting Pr 10.038 to 100
* If the drive is in the under voltage state (i.e. when the AI-Backup adaptor terminals are being
supplied from a +24 Vdc supply) a value of 1001 must be entered into Pr mm.000 to perform a save
function.
5.2 Restoring parameter defaults
Restoring parameter defaults by this method saves the default values in the drives memory. User
security status (00.010) and User security code (00.025) are not affected by this procedure).
Procedure
1. Ensure the drive is not enabled, i.e. terminal 31 & 34 is open or Pr 06.015 is OFF (0)
2. Select 'Reset 50 Hz Defs’ or 'Reset 60 Hz Defs' in Pr mm.000. (alternatively, enter 1233 (50 Hz
settings) or 1244 (60 Hz settings) in Pr mm.000).
3. Either:
• Press the red reset button
• Carry out a drive reset through serial communications by setting Pr 10.038 to 100
Unidrive M400 Quick Start Guide English Iss3.book Page 23 Wednesday, July 16, 2014 8:12 AM
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