Control Mode Selection - YASKAWA U1000 iQpump MATRIX Drive User Manual

1.2 General Description
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Control Mode Selection

Table 1.2 gives an overview of the U1000 iQpump control modes and their various features.
Motor Type
Control Mode
Parameter Setting
Basic Description
Type of Applications
Control Characteristics
Application-Specific
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Table 1.2 Control Modes and Features
Motor Type
Multi Motor
Motor data unknown
High Speed Accuracy
High Speed Response
Torque Limit Operation
Speed Control Range
Speed Accuracy
Speed Response
Starting Torque
• Stationary Auto-Tuning for Line-to-Line Resistance
Auto-Tuning
• Rotational Auto-Tuning for
V/f Control
Torque Limit
Speed Search
Energy-Saving Control
Overexcitation
Deceleration
Commercial Power
Switching Selection
Induction Motors
V/f
A1-02 = 0
V/f control Open Loop Vector control
IM
YES
YES
–
–
–
1:40
±2 to 3%
3 Hz (approximately)
150% at 3 Hz
• Stationary Auto-Tuning 2
• Stationary Auto-Tuning 3
• Rotational Auto-Tuning
–
YES
YES
YES
YES
YASKAWA TOEPYAIUPW01A YASKAWA AC Drive - U1000 iQpump Matrix Drive User Manual
OLV
Default Setting is V/f control
A1-02 = 2
(A1-02 = 0)
IM
–
–
YES
YES
YES
May fluctuate with characteristics and
1:200
motor temperature.
Speed deviation rate between speed
reference value and motor speed (100% =
±0.2% rated speed, motor temperature 25 °C ±10
°C) when operating at normal status and
when load is stable.
Maximum frequency of a speed reference
signal that the drive can follow may
10 Hz
fluctuate with characteristics and motor
temperature.
Starting torque may fluctuate with
200% at
characteristics and motor temperature.
0.3 Hz
Performance may differ by capacity.
Automatically adjusts parameter settings
that concern electrical characteristics of
the motor
Sets the maximum torque for the motor to
YES
protect the load and connected machinery.
Bi-directional speed detection of a
YES coasting motor to restart it without
stopping.
Saves energy by always operating the
YES
motor at its maximum efficiency.
Provides fast deceleration without using a
YES
braking resistor.
When the output frequency matches the
power supply frequency (60 Hz), the
– PWM switching operation stops and
switches to operation with a direct
commercial power supply connection.
Comments
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–
–
–
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