NSK M-EGA-15A2301, User Manual

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5.Operation Group 1 Basic control parameter settings
5-35
ID Contents
05
Feed Forward Gain
[FFGN] Setting range Unit Standard value
0 to 100 % 0
■
Sets feed forward compensation gain to position control system.
Model control system compensates for feed forward to Model following system when Position
Control Selection is at Model following control.
◆
Valid when Higher Tracking Control Position Compensation Gain is set at 0%.
◆ The setting value is not applied when using the Auto-Tuning Characteristics listed below.
Positioning1 Positioning Control 1 (General Purpose)
Positioning2 Positioning Control 2 (High Response)
Positioning4 Positioning Control 4 (High Response, Horizontal Axis Limited)
Trajectory1 Trajectory Control 1
06
Feed Forward Filter
[FFFIL]
Setting range Unit Standard value
1 to 4000 Hz 4000
■
First low-pass filter to eliminate pulsed ripple caused by the position command pulse included in the
feed forward command. Sets the cutoff frequency.
◆
Depending on the setting of the system parameter ID0A Position Control Selection, the
point the filter becomes invalid causes the value to vary.
Position Control Selection
00 Standard More than 2000Hz
01 Model 1 Model Following Control More than 1000Hz
02 Model 2 Model Flowing Vibration Suppress Control More than 1000Hz
10
Velocity Command Filter
[VCFIL]
Setting range Unit Standard value
1 to 4000 Hz 4000
■
First low-pass filter to suppress sudden change of velocity command.
Use External Velocity Command Filter when eliminating Analog velocity command noise. Sets the
cutoff frequency.
◆ Setting range varies depending on the setting of the system parameter ID00 Control Cycle.
Control Cycle Setting value Valid/Invalid
00
Standard_Sampling
Standard Sampling 1 to 1999[Hz] Valid
2000 to 4000[Hz] Filter invalid
01
High-freq_Sampling
High Frequency Sampling 1 to 3999[Hz] Valid
4000[Hz] Filter invalid