Thông số chung của biến tần Veichi AC70E
Items | Specifications | |||
Power | Voltage/frequency | Single phase 220V 50/60Hz Three phase380V 50/60Hz | ||
Allowable fluctuations | voltage:±15%, frequency:±5% | |||
Control | Frequency range | 0-400Hz | ||
Frequency ACCuracy | ±0.5% of max frequency | |||
Frequency setting resolution | 0.01Hz:Operating“up”and”down”keys on keyboard
0.2Hz:Potentiometers analog input |
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Voltage/frequency characteristics | Voltage 50% -100% the rated voltage adjustable, Motor rated frequency 25-400Hz(2000Hz) adjustable | |||
Carrier frequency | 1.0-15.0KHz/Random carrier modulation | |||
Torque upgrade | 0–25.0% adjustable/auto torque upgrade/random V/F curve optional | |||
Maximum Capacity | 150% for one minute, 180% for 2s, 200% instant jump. | |||
ACC and DECtime | 0.1-6500s | |||
Rated output voltage | Take advantage of the power supply voltage compensation function, if motor rated voltage is 100%,the voltage can be set in the 50 -100% scope(the voltage output should not exceed the input voltage ) | |||
AVR adjust | When the grid voltage fluctuates, changes in the output voltage is very small, remained constant V / F | |||
Automatic energy-saving operation | ACCording to the load conditions, automatic optimize the V / F curves to implement energy saving operation | |||
Standard functions | PID control, ACC and DECtime adjustable, ACC and DECmode variable, Carrier frequency adjustment, Torque upgrade, Current limiting, Speed tracking and restart, Frequency hopping,
Frequency fluctuation limite control, Program running, Multi-steps speed, Pendulum frequency operation, RS485, Analog output, Pulse output frequency |
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Brake | Energy-consuming braking, DC braking | |||
Frequency setting input | Keyboard number settings, keyboard potentiometers/ external terminal VS: 0~10V, the external terminal AS : 4-20mA, RS485 and signal composition and terminal options | |||
Signal Feedback input | External terminal VS: 0~10V external terminal AS: 4-20mA, RS485 | |||
Input order signals | Start, stop, positive and negative rotating , jog, multi-steps speed, free parking, reset, ACC and DECtime choice, frequency settings channels choice, external malfunctions alarm | |||
External output signal | Relay output, the collector output, 0-10V output, 4-20mA output, the frequency pulse output | |||
Protection function | Overvoltage, undervoltage, current limiting, over-current, overload, electric thermal relays, overheat, pressure stall, data protection | |||
Display | Setting | Function number/data | ||
Running | Output frequency, give frequency, output current, input voltage, output voltage, motor speed, PID feedback, quantitative PID, module temperature, input and output terminal | |||
Fault | Overvoltage, undervoltage, overcurrent, short circuit, phase missing, overload, heat, pressure stall, current limiting, data protection is damaged, current fault operating conditions, historical fault | |||
Condition | Installation sites | Indoor, elevation of not more than 1000 m, no corrosive gases | ||
Temperature, humidity | -10—+40℃, 20%—90%RH(No condensation) | |||
Vibration | Below 20Hz less than 0.5g | |||
Storage Temperature | -25—+65℃ | |||
Installation mode | Wall-mounted mode | |||
Protection degree | IP20 | |||
Cooling Mode | Forced air-cooling |