17. APPLICATION OF FUNCTIONS
17 - 44
2) When you choose switching by droop pulses
In this case, the vibration suppression control after gain switching and model loop gain after gain
switching cannot be used.
a) Setting example
Parameter Symbol
Name
Setting
value
Unit
PB06
GD2
Load to motor inertia ratio/load to
motor mass ratio
4.00 [Multiplier]
PB08
PG2
Position loop gain
120
[rad/s]
PB09
VG2
Speed loop gain
3000
[rad/s]
PB10
VIC
Speed integral compensation
20
[ms]
PB29
GD2B
Load to motor inertia ratio/load to
motor mass ratio after gain
switching
10.00 [Multiplier]
PB30
PG2B
Position loop gain after gain
switching
84 [rad/s]
PB31
VG2B
Speed loop gain after gain
switching
4000 [rad/s]
PB32
VICB
Speed integral compensation after
gain switching
50 [ms]
PB26
CDP
Gain switching selection
0003
(switching by droop pulses)
PB27
CDL
Gain switching condition
50
[pulse]
PB28
CDT
Gain switching time constant
100
[ms]
b) Switching timing chart
After-switching gain
63.4%
CDT = 100 ms
Before-switching gain
Gain switching
Droop pulses
[pulse]
+CDL
-CDL
0
Command pulses
Droop pulses
Command pulses
Load to motor inertia ratio/load to motor
mass ratio
4.00
→
10.00
→
4.00
→
10.00
Position loop gain
120
→
84
→
120
→
84
Speed loop gain
3000
→
4000
→
3000
→
4000
Speed integral compensation
20
→
50
→
20
→
50
Summary of Contents for MR-J4W2
Page 9: ...A 8 MEMO ...
Page 17: ...8 MEMO ...
Page 31: ...1 FUNCTIONS AND CONFIGURATION 1 14 MEMO ...
Page 95: ...4 STARTUP 4 20 MEMO ...
Page 169: ...6 NORMAL GAIN ADJUSTMENT 6 20 MEMO ...
Page 201: ...7 SPECIAL ADJUSTMENT FUNCTIONS 7 32 MEMO ...
Page 213: ...8 TROUBLESHOOTING 8 12 MEMO ...
Page 219: ...9 OUTLINE DRAWINGS 9 6 MEMO ...
Page 229: ...10 CHARACTERISTICS 10 10 MEMO ...
Page 295: ...13 USING STO FUNCTION 13 14 MEMO ...
Page 327: ...14 USING A LINEAR SERVO MOTOR 14 32 MEMO ...
Page 371: ...16 FULLY CLOSED LOOP SYSTEM 16 24 MEMO ...
Page 521: ...APPENDIX App 38 ...
Page 537: ...MEMO ...
Page 541: ......