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YASKAWA A1000 Series Technical Manual

YASKAWA A1000 Series
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5.3 C: Tuning
176 YASKAWA ELECTRIC SIEP C710616 27C YASKAWA AC Drive A1000 Technical Manual
C5-25: Motor 2 ASR Limit
Functions for motor 2 in the same way that C5-05 functions for motor 1. Sets the ASR output limit for motor 2 as a
percentage of the maximum output frequency (E4-04). For more details, see C5-05: ASR Limit on page 174.
C5-26: Motor 2 ASR Primary Delay Time Constant
Functions for motor 2 in the same way that C5-06 functions for motor 1.
Sets the filter time constant for the time from the speed loop to the torque command output. For more details, see C5-06:
ASR Primary Delay Time Constant on page 174.
Note: This parameter rarely requires adjustment.
C5-27: Motor 2 ASR Gain Switching Frequency
Functions for motor 2 in the same way that C5-07 functions for motor 1.
Sets the frequency for motor 2 to change ASR proportional gain 1 and 2 (C5-21, C5-23) as well as the integral time 1 and
2 (C5-22, C5-24). For more details, see C5-01, C5-03 / C5-02, C5-04: ASR Proportional Gain 1, 2 / ASR Integral Time
1, 2 on page 173.
Note: A multi-function input set for the ASR gain switch (H1- = 77) takes priority over the ASR gain switching frequency.
C5-28: Motor 2 ASR Integral Limit
Functions for motor 2 in the same way that C5-08 functions for motor 1.
Sets the upper limit for ASR as a percentage of the rated load. For more details, see C5-08: ASR Integral Limit on
page 175.
C5-32: Integral Operation during Accel/Decel for Motor 2
Functions for motor 2 in the same way that C5-12 functions for motor 1.
Enables integral operation during acceleration and deceleration. For more details, see C5-12: Integral Operation during
Accel/Decel (V/f w/PG) on page 175.
Setting 0: Disabled
Integral operation occurs only during constant speed and not during acceleration or deceleration.
Setting 1: Enabled
Integral operation is always enabled.
No. Parameter Name Setting Range Default
C5-25 Motor 2 ASR Limit 0.0 to 20.0% 5.0%
No. Parameter Name Setting Range Default
C5-26 Motor 2 ASR Primary Delay Time Constant 0.000 to 0.500 s 0.004 s
No. Parameter Name Setting Range Default
C5-27 Motor 2 ASR Gain Switching Frequency 0.0 to 400.0 Hz 0.0 Hz
No. Parameter Name Setting Range Default
C5-28 Motor 2 ASR Integral Limit 0 to 400% 400%
No. Parameter Name Setting Range Default
C5-32 Integral Operation during Accel/Decel for Motor 2 0, 1 0

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YASKAWA A1000 Series Specifications

General IconGeneral
SeriesA1000
TypeAC Drive
AltitudeUp to 1000m without derating
Output Frequency0-400 Hz
Control MethodV/f Control
Overload Capacity150% for 60 seconds
Communication OptionsModbus, DeviceNet, Profibus, Ethernet/IP
Ambient Temperature-10 to 50°C
Storage Temperature-20 to 60°C
Humidity5% to 95% (non-condensing)
Enclosure RatingIP20
Horsepower0.5 to 1000 HP
Power Range0.4 - 630 kW (varies by voltage and model)
Protection FeaturesOvercurrent, Overvoltage, Undervoltage, Overheat
Cooling MethodFan Cooled
SafetySafe Torque Off (STO)

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