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8 Adjustments

8.6.8 Less Deviation Control

8-40

8.6.8 Less Deviation Control

Less Deviation Control can provide shorter settling times and lower locus tracking errors by reducing the

position error as much as possible for the position control mode. There are two kinds of Less deviation control:

Basic Less deviation and Less Deviation control with reference filter. Operation can be adjusted easily with

utility function Fn015 (One-parameter Tuning for Less Deviation Control.) If higher performance operation is

required, the settings can be fine-tuned with the parameters.

Example Response Waveforms for Less Deviation Control

(1) Related Parameters

Example Response Waveform

for Less Deviation Control

Example Response Waveform

for Less Deviation Control with Reference Filter

Position

Error

Time

Position reference

(Host reference)

Using Less Deviation

Control

Using Less

Deviation Control

Not using Less

Deviation Control

Not using Less

Deviation Control

Position

Error

Time

Position reference

(Host reference)

Using Less Deviation Control

with Reference filter

Using Less Deviation Control

with Reference filter

Not using Less Deviation Control

with Reference Filter

Not using

Less Deviation Control

Pn119 Reference Filter Gain