Chapter 2 Installation and Confirmation
1-3 Common Specifications
1-3-1 The Features of Control and Operation
․Voltage vector sinusoidal PWM control (V/F control).
․Switching frequency: 800Hz~16kHz.
Range of
frequency setting
Resolution
of frequency
setting
․Digital Keypad: 0.01Hz
․Analog signal: 0.06Hz / 60Hz
Resolution
of output
frequency
120% of drive rated output current for 1 minute.
․Time of DC braking after start / before stop: 0~20.0sec
․DC braking frequency at stop: 0.1~60Hz
․DC baking level: 0~150% of rated current
Approximately 20%(with the external braking resistor
connected, braking torque is approximately 100%).
Acceleration/
deceleration time
․0sec(coast to stop), 0.0~3200.0sec(independent setting of
the acceleration / deceleration).
․The setting of accel/decel time from 0 to 60Hz is 0.015sec ~
19,200,000sec(222 days).
․Linear, Square curve, 1.7
th
power curve, 1.5
th
power curve.
․V/F pattern (2 V/F points).
․V/F pattern can be adjusted by analog input (Variable
voltage (V) adjustment of V/F pattern for acceleration /
deceleration).
slip compensation, auto-torque compensation,
auto-adjustment for output voltage stability, auto-operation for
energy-saving, auto-adjustment of switching frequency, restart
after instantaneous power failure, speed tracing, overload
detection, PID control, acceleration/deceleration switch, fan
control, parameters copy, sequential control, communication
control, over pressure protection, pump protection, ON/OFF
mode.