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7. SPECIAL ADJUSTMENT FUNCTIONS
7.3.4 Gain changing operation
The operation is explained with setting examples below:
(1) When gain changing by an input device (CDP) is selected:
(a) Setting
Parameter No. Abbreviation
Name
Setting
Unit
PB06
GD2
Load to motor inertia moment ratio
4.0
Multiplier
(
1)
PB07
PG1
Model loop gain
100
rad/s
PB08
PG2
Position loop gain
120
rad/s
PB09
VG2
Speed loop gain
3000
rad/s
PB10
VIC
Speed integral compensation
20
ms
PB19
VRF1
Vibration suppression control vibration
frequency setting
50
Hz
PB20
VRF2
Vibration suppression control resonance
frequency setting
50
Hz
PB29
GD2B
Gain changing load to motor inertia moment
ratio
10.0
Multiplier
(
1)
PB30
PG2B
Gain changing position loop gain
84
rad/s
PB31
VG2B
Gain changing speed loop gain
4000
rad/s
PB32
VICB
Gain changing speed integral compensation
50
ms
PB26
CDP
Gain changing selection
001
(Changed by ON/OFF of input device)
PB28
CDT
Gain changing time constant
100
ms
PB33
VRF1B
Gain changing vibration suppression control
vibration frequency setting
60
Hz
PB34
VRF2B
Gain changing vibration suppression control
resonance frequency setting
60
Hz
(b) Changing operation
ON
Gain changing
(CDP)
OFF
OFF
After-changing gain
Before-changing gain
Change of
each gain
CDT =100ms
63.4%
Model loop gain
100
Load to motor inertia moment
ratio
4.0
10.0
4.0
Position loop gain
120
84
120
Speed loop gain
3000
4000
3000
Speed integral compensation
20
50
20
Vibration suppression control
vibration frequency setting
50
60
50
Vibration suppression control
resonance frequency setting
50
60
50