Manual gain tuning (basic), Setup of gain switching condition – Panasonic MINAS A4P Series User Manual

Page 156

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156

Hysteresis

(SV.Pr34)

Level

(SV.Pr33)

0

H

L

Manual Gain Tuning (Basic)

• Positing control mode, Full-closed control mode ( : Corresponding parameter is valid, – : invalid)

0

1

2

3

4

5

6

7

8

9

10

Fixed to 1st gain

Fixed to 2nd gain

Gain switching input, GAIN ON

Variation of torque command is large.

Fixed to 1st gain

Speed command is large.

Position deviation/Full-closed

position deviation is large

Position command exists.

Not in positioning complete nor in

full-closed positioning complete

Speed

Command exists + velocity

A

C

D

E

F

C

G

Delay time *1

SV.Pr32

Setup parameters at position control, full-closed control

Level

SV.Pr33

*3[0.05%/166

µ

s]

[r/min]

*4[pulse]

[r/min]

[r/min] *6

Setup of gain switching condition

Switching condition to 2nd gain

Fig.

SV.Pr31

Hysteresis *2

SV.Pr34

*3[0.05%/166

µ

s]

[r/min]

*4[pulse]

[r/min]

[r/min]*6

*1 Delay time (SV.Pr32 and 37) will be valid only when returning from 2nd to 1st gain.
*2 Hysteresis is defined as the fig. below shows.
*3 When you make it a condition that there is 10% torque variation during 166

µ

s, set up the value to 200.

10%/166

µ

s = Setup value 200 x [0.05%/166

µ

s]

*4 Designate with either the encoder resolution or the external scale resolution depending on the control

mode.

*5 When you make it a condition that there is speed variation of 10r/min in 1s, set up the value to 1.
*6 When SV.Pr31=10, the meanings of delay time, level and hysteresis are different from the normal.

(refer to Fig. G)

Setup of Gain Switching Condition

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