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6.3 Advanced Autotuning (Fn201)
6-21
6.3.2 Advanced Autotuning Procedure
The following procedure is used for advanced autotuning.
Advanced autotuning is performed from the digital operat
or (option) or SigmaWin+. The function cannot be
performed from the panel operator.
The operating procedure from the digital operator is described here.
Refer to the
-V Series User’s Manual, Operation of Digital Operator (No.: SIEP S800000 55) for basic key
operations of the digital operator.
(1) Operating Procedure
Step Display after Operation Keys Operation
1
Press the Key to view the main menu for the
utility function.
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 Mass
Select the mode to be used.
Usually, set Jcalc to ON.
Jcalc = ON: Mass calculated [Factory setting]
Jcalc = OFF: Mass not calculated
Note:
If the mass ratio is already known from the mach
ine specifications, set the value in Pn103 and set Jcalc to OFF.
3-2
Mode Selection
Select the mode.
Mode = 1: Makes adjustments considering response characteristics and stability (Standard level).
Mode = 2: Makes adjustments for positionin
g [Factory setting].
Mode = 3: Makes adjustments for positioning, giving
priority to overshooting suppression.
3-3
Type Selection
Select the type according to the machine element to be driven. If
there is noise or the gain does not increase, bet-
ter results may be obtained by ch
anging the rigidity type.
Type = 1: Low rigidity
Type = 2: Medium rigidity [Factory setting]
Type = 3: High rigidity
3-4
STROKE (Travel Distance) Setting
Travel distance setting range:
The travel distance setting range is from -99990000 to +99990000 [reference unit]. Specify the STROKE
(travel
distance) in increments of 1000 reference units. The negative (-) direction is for reverse movement,
and
the positive (+) direction is for forward movement.
Initial value:
About 90 mm
Notes:
• Set the travel distance to at
least 5 mm; otherwise, "Error" will be displayed and the travel distance cannot be
set.
• To calculate the mass and ensure precise
tuning, it is recommended to set the travel distance to about 90 mm.
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