Yaskawa Sigma-5 User Manual: Operation of Digital Operator - Manual (Page 95)

3.2 Operations
3-61
9
head1
3
Utility Function Mode
(2) Operating Procedure
Use the following procedure.
CAUTION
• When using the SERVOPACK with Jcalc = OFF (load moment of inertia is not cal-
culated), be sure to set a suitable value for the moment of inertia ratio (Pn103). If
the setting greatly differs from the actual moment of inertia ratio, normal control of
the SERVOPACK may not be possible, and vibration may result.
• When using the MP2000 Series with phase control, select the mode = 1 (standard
level). If 2 or 3 is selected, phase control of the MP2000 Series may not be possi-
ble.
Step Display after Operation Keys Operation
1
Press the Key to view the main
menu for the utility function mode.
Use the
or Key to move
through the list, select Fn201.
2
Press the Key to display the initial
setting screen for advanced autotuning.
3
Press the , , or Key and
set the items in steps 3-1 to 3-4.
3-1
„ Calculating Moment of Inertia
Select the mode to be used.
Usually, set Jcalc to ON.
Jcalc = ON: Moment of inertia calculated [Factory setting]
Jcalc = OFF: Moment of inertia not calculated
Note:
If the moment of inertia ratio is already known from the machine specifications, set the value in
Pn103 and set Jcalc to OFF.
3-2
„ Mode Selection
Select the mode.
Mode = 1: Makes adjustments considering responsiveness and stability (Standard level).
Mode = 2: Makes adjustments for positioning [Factory setting].
Mode = 3: Makes adjustments for positioning, giving priority to overshooting suppression.
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