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Project
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Description
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Input
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Input voltage
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Three-phase 380V ~ 480V
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Rated frequency
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50/60Hz
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Allowable voltage fluctuation
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-15% to + 10%
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Allowable frequency fluctuation
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The allowable range of frequency variation is fLN ± 2% (± 4% for independent power supply network).
Frequency change rate: ≤ 2% fLN/s.
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Output
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Output voltage range
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0 ~ input voltage, the error is less than 5%
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Asymmetry of the output voltage
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Under normal use conditions, in the entire output frequency adjustment range, the asymmetry of the output three-phase voltage should not exceed 1% under the condition of symmetrical load of each phase.
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Output frequency range
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0 to 300Hz
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Control
characteristics
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Operation instruction mode
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Panel control, terminal control, communication control.
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Carrier Frequency
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1kHz ~ 10kHz, adjustable according to temperature and load characteristics.
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Frequency resolution
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Digital setting: 0.01Hz, analog setting: maximum frequency x0.1%
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Control mode
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Closed-loop vector control (VC), open-loop vector control (SVC), V/F control.
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V/F control
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Linear type, multi-point type, square type.
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Torque control
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There is PG torque control, no PG torque control.
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Maximum speed
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300Hz, depending on the electrical and mechanical characteristics of the motor.
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Starting torque
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0Hz/200%(VC and SVC), 0.8Hz/150%(V/F)
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Torque response
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<5ms(SVC), <5ms(VC)
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Torque control accuracy
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± 5%(SVC), ± 3%(VC)
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Speed range
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1:500(SVC),1:1000(VC)
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Speed accuracy
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± 0.02% rated speed (VC), ± 0.2% rated speed (SVC), ± 0.5% rated speed (V/F).
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Overload capacity
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Light overload capacity: 150% of the rated output current, allowing 1 minute of overload every 5 minutes;
The heavy overload capacity is: 180 of the rated output current, and the overload is allowed for 1 minute every 5 minutes.
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Torque compensation
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Automatic torque compensation function.
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Acceleration and deceleration mode
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Line, user-defined multi-point curve.
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Automatic voltage adjustment
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When the grid fluctuates, it can automatically keep the output voltage constant.
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DC braking mode
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DC braking at startup and DC braking at shutdown.
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Built-in process PID
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It is convenient to realize the closed-loop control system of process quantity (pressure, temperature, flow, etc.).
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Bus Option
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CANopen, Modbus RTU, Profibus DP, Profinet
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Special features
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Free function modules for user-programmable applications: logic function modules, mathematical function modules, timer modules, PID modules, etc.
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Motion control: multi-curve acceleration/deceleration function, timer-controlled run/stop control, etc.
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Crane function: power optimization, crane opening brake function.
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Synchronous control: master/slave synchronous control, speed/torque control.
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Input/output
terminals
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Input terminal
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Digital input 5, analog input 2 (voltage 0 ~ +10V or current 0mA/4mA ~ 20mA) standard in the terminal board.
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Output terminal
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3 channels of digital output (1 channel of collector output and 2 channels of relay output) and 2 channels of analog output (voltage 0 ~ +10V or current 0mA/4mA ~ 20mA) are standard on the terminal board.
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