1 response level setting, 2 auto tuning selection, General gain adjustment – MITSUBISHI ELECTRIC MELSERVO MR-J2S- A User Manual

Page 180

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7. GENERAL GAIN ADJUSTMENT

7.5 Differences in auto tuning between MELSERVO-J2 and MELSERVO-J2-Super

7.5.1 Response level setting

To meet higher response demands, the MELSERVO-J2-Super series has been changed in response level
setting range from the MELSERVO-J2 series. The following table lists comparison of the response level
setting.

Response level setting

Parameter No. 2

MELSERVO-J2 series

MELSERVO-J2-Super series

Set value

Machine resonance frequency

Set value

Machine resonance frequency guideline

1

15Hz

1

20Hz

2

20Hz

3

25Hz

4

30Hz

5

35Hz

2

40Hz

6

45Hz

7

55Hz

3

60Hz

8

70Hz

4

80Hz

9

85Hz

5

100Hz

A

105Hz

B

130Hz

C

160Hz

D

200Hz

E

240Hz

F

300Hz

Note that because of a slight difference in gain adjustment pattern, response may not be the same if the
resonance frequency is set to the same value.

7.5.2 Auto tuning selection

The MELSERVO-J2-Super series has an addition of the load inertia moment ratio fixing mode. It also has
the addition of the manual mode 1 which permits manual adjustment with three parameters.

1

Parameter No. 2

Gain adjustment mode selection

Auto tuning selection

Gain adjustment mode

MELSERVO-J2 series

MELSERVO-J2-Super series

Remarks

Interpolation mode

0

0

Position control gain 1 is fixed.

Auto tuning mode 1

1

1

Ordinary auto tuning

Auto tuning

Auto tuning mode 2

2

Estimation of load inertia moment
ratio stopped.
Response level setting valid.

Manual mode 1

3

Simple manual adjustment

Auto tuning
invalid

Manual mode 2

2

4

Manual adjustment of all gains

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