SD710 Series Servo Drive Technical Manual Chapter 6 Adjustment
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6.2 Adjustment-free function
6.2.1 Introduction to the adjustment-free function
The adjustment-free function is a function that allows stable response to be obtained by automatic adjustment
regardless of the type of machinery and load fluctuations.
Related function codes.
Fn No.
Parameter
Range
Default
Unit
Pn175.X
Adjustment-free switch
0: Adjustment-free function is
disabled
1: Adjustment-free function is
effective
1
-
Pn175.Y
Speed control method in
adjustment-free
0: for speed control
1: For speed control and use of
the upper unit as position
control
0
-
Pn175.Z
Adjustment-free rigidity value
0 to 9
0
-
Pn175.W
Adjustment-free load inertia
0: Small load inertia
1: Inertia of the load
2: High load inertia
0
-
The adjustment-free rigidity values correspond to the following bandwidths.
Value of adjustment-free rigidity
(Pn175.Z)
Description
0
Response: Low
1
2
3
4
5
6
7
8
9
Response: High
6.2.2 Parameters when the adjustment-free function becomes ineffective
With the adjustment-free function active (Pn175.X=1), the following parameters become invalid.
Item
Function
Fn NO.
Gain (electronics)
Moment of inertia (mechanics)
Pn100
2nd speed loop gain
Pn105
2nd velocity loop integration time
Pn106
2nd position loop gain
Pn107
