YASKAWA GA500 GA50U Series User Manual

Startup Procedure and Test Run
3
3.7 Fine Tuning during Test Runs (Adjust the Control Function)
YASKAWA TOEPYAIGA5002A GA500 DRIVE PROGRAMMING 485
◆ Advanced Open Loop Vector Control Method for PM Motors
Table 3.18 Parameters for Fine Tuning the Drive (A1-02 = 6 [AOLV/PM])
Issue Parameter Number Possible Solutions Default Recommended Setting
• Unsatisfactory motor torque
and speed response
• Hunting or oscillation
• High speed
C5-01 [ASR Proportional Gain
1]
• Low speed
C5-03 [ASR Proportional Gain
2]
• If torque or speed response are
slow, increase the setting value
in increments of 5.00.
• If hunting or oscillation occur,
decrease the setting value.
10.00 5.00 to 30.00
*1
• High speed
C5-02 [ASR Integral Time 1]
• Low speed
C5-04 [ASR Integral Time 2]
• If torque or speed response are
slow, decrease the setting value.
• If hunting or oscillation occur,
increase the setting value.
0.500 s 0.300 s to 1.000 s
*1
The drive cannot find ASR
proportional gain or integral time
for low speed or high speed.
C5-07 [ASR Gain Switchover
Frequency]
Change the ASR proportional gain
and ASR integral time to conform
to the output frequency.
0.0% 0.0% to maximum rotation speed
Hunting or oscillation C5-06 [ASR Delay Time]
If the rigidity of the machine is
unsatisfactory and vibration is
possible, increase the setting value
in increments of 0.010.
0.016 s 0.016 s to 0.035 s
*1
Step-out
E1-xx parameters, E5-xx
parameters
Refer to the motor nameplate or
test report and set E1-xx or E5-xx
correctly.
- -
*1 The best values for a no-load operation are different than the best values for actual loading operation.
◆ EZ Open Loop Vector Control Method
Table 3.19 Parameters for Fine Tuning the Drive (A1-02 = 8 [EZOLV])
Issue Parameter Number Possible Solutions Default Recommended Setting
• Unsatisfactory motor torque
and speed response
• Hunting or oscillation
• High speed
C5-01 [ASR Proportional Gain
1]
• Low speed
C5-03 [ASR Proportional Gain
2]
• If torque or speed response are
slow, increase the setting value
in increments of 5.00.
• If hunting or oscillation occur,
decrease the setting value.
10.00 10.00 to 50.00
*1
• High speed
C5-02 [ASR Integral Time 1]
• Low speed
C5-04 [ASR Integral Time 2]
• If torque or speed response are
slow, decrease the setting value.
• If hunting or oscillation occur,
increase the setting value.
0.500 s 0.300 s to 1.000 s
*1
The drive cannot find ASR
proportional gain or integral time
for low speed or high speed.
C5-07 [ASR Gain Switchover
Frequency]
Change the ASR proportional gain
and ASR integral time to conform
to the output frequency.
0.0% 0.0% to maximum rotation speed
Hunting or oscillation C5-06 [ASR Delay Time]
If the rigidity of the machine is
unsatisfactory and vibration is
possible, increase the setting value
in increments of 0.010.
0.004 s 0.004 s to 0.020 s
*1
Step-out E9-xx parameters
Refer to the motor nameplate or
test report and set E9-xx correctly.
- -
Oscillation when the motor starts.
n8-51 [Accel / Decel Pull-In
Current]
Increase the setting value. 80% Increase in increments of 5%.
Motor stalls. L7-01 to L7-04 [Torque Limit] Increase the setting value. 200% Increase in increments of 10%.
*1 The best values for a no-load operation are different than the best values for actual loading operation.

YASKAWA GA500 GA50U Series Specifications

General

Type	DC Drive
Manufacturer	YASKAWA
Dimensions	Varies by model
Weight	Varies by model
Series	GA50U
Control Method	Vector Control, V/f Control
Protection Features	Overcurrent, Overvoltage, Undervoltage, Overload, Overtemperature, Short Circuit
Communication Interface	EtherNet/IP
Ambient Temperature	-10°C to +50°C
Humidity	5% to 95% (non-condensing)
Storage Temperature	-20°C to +60°C (-4°F to +140°F)