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7. SPECIAL ADJUSTMENT FUNCTIONS
(2) Parameters
Set the notch frequency and notch depth of the machine resonance suppression filter 1 (parameter No.
18).
0
3
1
2
0
00
01
02
03
04
05
06
07
Invalid
4500
2250
08
09
0A
0B
0C
0D
0E
0F
10
11
12
13
14
15
16
17
18
19
1A
1B
1C
1D
1E
1F
1500
1125
900
750
642.9
500
450
409.1
375
346.2
321.4
300
562.5
281.3
264.7
250
236.8
225
214.3
204.5
195.7
187.5
180
173.1
166.7
160.1
155.2
150
145.2
Setting FrequencySetting Frequency Setting Frequency Setting Frequency
Parameter No. 18
Notch frequency selection
Notch depth selection
Setting Depth (Gain)
Deep ( 40dB)
Shallow ( 4dB)
( 14dB)
( 8dB)
POINT
If the frequency of machine resonance is unknown, decrease the notch
frequency from higher to lower ones in order. The optimum notch
frequency is set at the point where vibration is minimal.
A deeper notch has a higher effect on machine resonance suppression but
increases a phase delay and may increase vibration.
The machine characteristic can be grasped beforehand by the machine
analyzer on the servo configuration software. This allows the required
notch frequency and depth to be determined.