AUD32 series VFD is a new generation of high-performance inverter, which is designed to meet the application needs of users. It has rich functions, excellent and stable performance,and simple and novel structure.
AUD32 series VFD adopts advanced speed sensorless vector control technology, advanced motor parameter identification,online estimation technology and advanced flux estimationtechnology, which has been greatly improved in terms of speed regulation range, dynamic response, control accuracy and low frequency torque. In addition, AUD32 has rich application functions and perfect protection functions, making it more convenient, reliable and safe to use.
AUD32 series VFD is a real high-performance vector control general-purpose inverter, which can be widely used in petrochemical, steel, paper, HVAC, water treatment, medicine,textile, fire protection and other industries
0.75-37kw frequency converter has no P0 terminal; For frequency converters above 45KW (included),be sure to remove the short connector between P0 and (+) when installing DC reactor (optional).
Only 0.75-37kw frequency converters have Pb terminals, and braking resistors can be connected between Pb and (+). For frequency converters above 45KW (included), braking unit and braking resistance are required during braking.
0.75-15kw frequency converter has no (-) terminal.
The 0.75-15kw frequency converter has no li7 and li8 terminals.
Input reactor, DC reactor
Braking unit, braking resistance
ITEM | Discription |
Control technology | Adopts dual CPUs and advanced German technology to separate and process |
Characteristic control mode | The unique energy-saving mode can save more than 35% energy in fan |
Anti voltage jitter function | In case of instantaneous power failure, the frequency converter can continue to |
Circuit board protection | Full automatic protective coating equipment ,Each circuit board is coated with |
Factory load test aging | Each product shall be subject to 24-hour aging test with load before leaving the |
Simple PLC | Simple PLC program can be set according to customer application requirements, |
Fire mode | Suitable for fire protection applications |
Multi-speed | Up to 16 speed settings are supported |
Torque raise at low | To improve low frequency torque about 0.1% ~30% under V/f control and |
V/f curve | Linear type or multi-point type |
Acceleration and | Linear type or Model S acceleration and deceleration; three groups acceleration |
Built-in PID | It is convenient to realize process control under close-loop control system. |
DC brake | DC brake range: 0.0Hz~maximum frequency; brake time: 0.0s~20.0s; brake |
Jog control | To realize instant start and instant stop; jog frequency setting range: 0.0~20.0Hz; |
Jump frequency | Available to set three jump frequency points and related jump frequency ranges |
Two sets of motor | Available to set two sets of motor parameter and could freely switch each other |
Protection for VFD | Input phase failure, output phase failure, under load monitor, over torque, under |
Protection for motor | Motor overheat, motor current limiting amplitude, motor over load, motor short |
ITEM | SPECIFICATIONS | |
MainInput | Rated voltage and frequency | 3-phaseVoltage:310V-480V , 50Hz/60Hz |
Allowable value of change | Voltage: 310V-15% ~ 480V+10%; Frequency: ±15% | |
Main output | Output voltage | 3 phase, 0~480V ±15% |
Output frequency | 0.5Hz to 400Hz | |
Overload capacity | 150% of rated output current for 60s, 200% of rated output | |
Control | Modulation mode | 3-phase PWM, 2-phase PWM |
Control mode | V/f control for constant torque, V/f control for quadratic load, | |
Setting method of run command | Outer terminal, keyboardpanel or serial communication | |
Setting method of speed | Analog setting, keyboard, serial communication, UP/DOWN | |
Speed setting resolution | Keyboard: 0.1 Hz | |
Analog setting: 0.05/50Hz (10bit) | ||
Speed control precision | V/f control:±2% | |
vector control without PG (open loop control) ±0.2% | ||
Speed control range | V/f control 1:40 | |
vector control without PG (open loop control) 1:200 | ||
Acceleration and | 0-3200.0s | |
switching frequency | ||
Analog input | Number | 2 ways: AI1,AI2 |
Type | DC voltage or DC current | |
Maximum input range | AI1: 0 to 5VDC, 0 to 10VDC, 0/4 to 20mA DC receivable AI2: | |
Analog output | Number | 2way: AO1, AO2 |
Type | DC voltage or DC current | |
Maximum input range | Voltage output: 0 to 10V, Current output: 0/4 to 20mA | |
logic input | Number | 0.75kW-11kW15KW-800KW:LI,LI2,LI3,LI4,LI5,LI6,LI7,LI8 |
Type | Source or Sink | |
Maximum input range | 0-24VDC | |
logic output | Number | pulse signal output(LO-CLO), relay output 1,2(T1A |
pulse signal output | OC,output frequency,,act other function | |
relay output | RA-RB-RC, including a NO contact and a NC | |
Serial communication interface | RS485 interface supports Modbus protocol. | |
Display | Two-lineLED digital display | For display of frequency setting, output frequency, fault code |
Environment | Standard | Development of D32series frequency inverter follows strict |
Altitude | Dreading unnecessary when altitude is 1000m or below | |
Ambient environment | 0.75kW-800kW: Reliable operation at -10 ~ 50°Cwithout | |
Humidity | No condensed water or drip at 5 ~ 95%, In accordance with | |
Impact strength | 15gn for continuous 11ms, In accordance with IEC/EN60068- | |
Maximum antipollution capacity | Class 2, in accordance with IEC/EN61800-5-1 | |
Structure | Protection level | 0.75kw-15kw: IP20 |
Cooling Method | Forced Air cooling | |
Installation method | Wall mounted |