User guide

46 Unidrive SP Short Form Guide
www.controltechniques.com Issue Number: 2
3. Change the setting of Pr 0.48 as follows:
The figures in the second column apply when serial communications are used.
4. Either:
• Press the red reset button
• Toggle the reset digital input
• Carry out a drive reset through serial communications by setting Pr 10.38 to 100
(ensure that Pr. xx.00 returns to 0).
5.7 Saving parameters
When changing a parameter in Menu 0, the new value is saved when pressing the
Mode 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
Enter 1000* in Pr. xx.00
Either:
• Press the red reset button
• Toggle the reset digital input
• Carry out a drive reset through serial communications by setting Pr 10.38 to 100
(ensure that Pr. xx.00 returns to 0).
*If the drive is in the under voltage trip state or is being supplied from a 48V back-up
supply, a value of 1001 must be entered into Pr xx.00 to perform a save function.
5.8 Restoring parameter defaults
Restoring parameter defaults by this method saves the default values in the drive’s
memory. (Pr 0.49 and Pr 0.34 are not affected by this procedure.)
Procedure
1. Ensure the drive is not enabled, i.e. terminal 31 is open or Pr 6.15 is OFF (0)
2. Enter 1233 (EUR 50Hz settings) or 1244 (USA 60Hz settings) in Pr xx.00.
3. Either:
• Press the red reset button
• Toggle the reset digital input
• Carry out a drive reset through serial communications by setting Pr 10.38 to 100
(ensure that Pr. xx.00 returns to 0).
Pr 0.48 setting Operating mode
1 Open-loop
2 Closed-loop Vector
3 Closed-loop Servo
4
Regen (See the Unidrive SP Regen User Guide for more
information about operating in this mode)