8. SPECIAL ADJUSTMENT FUNCTIONS

You can use the machine resonance suppression filter 1 (parameter No. 58) and machine resonance suppression filter 2 (parameter No. 59) to suppress the vibration of two resonance frequencies. Note that if adaptive vibration suppression control is made valid, the machine resonance suppression filter 1 (parameter No. 58) is made invalid.

Machine resonance point

Mechanical system response

Frequency

Notch depth

Frequency

Parameter No. 58 Parameter No. 59

POINT

The machine resonance suppression filter is a delay factor for the servo system. Hence, vibration may increase if you set a wrong resonance frequency or a too deep notch.

(2)Parameters

(a)Machine resonance suppression filter 1 (parameter No. 58)

Using parameter No. 58, set the notch frequency and notch depth of the machine resonance suppression filter 1.

When you have made adaptive vibration suppression control selection valid or held in parameter No. 60, set "0000" to make the machine resonance suppression filter 1 invalid.

Parameter No. 58

0

Notch frequency

Setting Frequency Setting Frequency Setting Frequency Setting Frequency

00

Invalid

08

562.5

10

281.3

18

187.5

 

 

 

 

 

 

 

 

01

4500

09

500

11

264.7

19

180

 

 

 

 

 

 

 

 

02

2250

0A

450

12

250

1A

173.1

 

 

 

 

 

 

 

 

03

1500

0B

409.1

13

236.8

1B

166.7

 

 

 

 

 

 

 

 

04

1125

0C

375

14

225

1C

160.1

 

 

 

 

 

 

 

 

05

900

0D

346.2

15

214.3

1D

155.2

 

 

 

 

 

 

 

 

06

750

0E

321.4

16

204.5

1E

150

 

 

 

 

 

 

 

 

07

642.9

0F

300

17

195.7

1F

145.2

 

Notch depth

 

 

 

 

 

 

Setting

Depth (Gain)

 

 

 

0Deep ( 40dB)

1 ( 14dB)

2 ( 8dB)

3Shallow( 4dB)

8 - 2

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Mitsubishi Electronics MR-J2S- A instruction manual Parameters, Deep 40dB 14dB 8dB Shallow 4dB