3 Phase AC Drive Low Voltage Variable Speed Drive/Variable Frequency Drive/Variable Frequency Inverter/Variable Frequency Converter/VFD/VSD/ AC Drive
Nanjing Aubo Electric Co. Ltd, simply as Aubo, is specialized in producing variable speed motor drive and soft
starter,for both medium and low voltage , as well as simple PLC and motor protector. Aubo deals with both
product trading and engineering solution. It also distributes VACON inverter from Finland, and AuCom soft starter
from New Zealand.
Aubo has a factory in Nanjing and sales offices across the country, while the international customers are to be
looked after by its Shanghai office.
Product Feature
1. Display of LED digital,Chinese/English LCD etc
2. Open loop vector,closed loop vector(optional,add with PG),V/F control
3. Keyboard locator(0-5V),external analog (0-10V/0-20mA),external signal
superposition.
4. 8 steps speed ,forward and reverse,hopping frequency,acceleration and deceleration, counter,jog acceleration and deceleration,wake of PID sleep,PG,ect.
5. Built-in 485 port independently;Mobus:ASCII and RTU
6. Frequency set: keyboard ,external analog,pulse frequency,PC serial
communication,ect.
7. Precision of speed control: closed loop vector control ±0.05% rated frequency;
Open loop vector control ±0.5% rated frequency.
8. Scope of speed control with PG feedback vector 1:1000;without PG feedback
vector 1:100
9. With PG feedback vector control,torque response<150ms;without PG feedback
vector control,torque response<200ms
10. PG feedback vector control:200% rated output torque/0.05HZ;No PG feedback
vector control:150% rated output torque/0.5HZ
11. Precision of torquecontrol:±5% rated output torque
12. Over-load protection,over-voltage stall,overload forecast,automatic current
limit,automatic fault reset,under-voltage protection,over-heating protection,
phase- lack protection,ect.
Performance Features
1. Control Mode:Vector control without PG,V/F control
2. Overload Capacity:150% FLC for 60s;180% FLC for 10s
3. Start Torque:vector cotrol without PG,0.5Hz/150%(SVC)
4. Speed ratio: vector cotrol without PG ,1:100
5. Speed Control Accuracy: vector cotrol without PG ,±0.5% max. speed
6. Carrier Frequency:0.5~15.0kHz
Functions
1. Frequency setpoint options:digital,analog,serial comms,multi-level speed , PID, etc
2. PID control
3. multi-level speed control: 8 speed levels
4. Non-stop during instaneous power off
5. QUICK/JOG:functional quick button to be defined by user freely
6. Voltage auto-tuning:When the power supply viberates, the output voltage is kept constant automatically
7. More than 25 protections:Over current, over voltage, under voltage, over temperature, phase loss, over load, etc
Interface Features
1. Programmable DI:6 inputs;
2. Programmable AI:AI1:-10~10V input,AI2:0~10V or 0~20mA input;
3. Open Collector Output:1 output;
4. Relay Output:1 output;
5. Analog Output:1 output,optional ,0~20mA or 0~10V;
Technical Specification
| TECHNICAL SPECIFICATION |
| Model | AVF508 Series |
| Control Method | SPWM |
| Input Power Supply | single phase:220v; |
| three phase:220v/380v |
| Basic Function | Speed tracing, PID control, auto speed compensation, AVR, torque |
| control,overlay control, time control, multi-speed choice, etc |
| 5 Digital Display,status idicator | Display frequency,speed,current,voltage,counter,temperature, |
| forward/reverse,fault… |
| Communication Control | RS485(optional) |
| Operating Temperature | -10~40°C |
| Humidity | 0-90% relative humidity |
| Vibration | <5.9 m/s2 (0.6M) |
| Frequency Control | Range | 0~600.00HZ |
| Accuracy | Digital:0.01%(-10~40°C);Analog:0.2%(25±10°C) |
| Frequency Setting | Digital:0.01Hz; Analog:1‰ of Max Operating Frequency |
| Resolution |
| Output Resolution | 0.01HZ |
| Setting method | digital setpoint,analog setpoint,serial communication setpoint,multi-speed,PID setpoint, etc |
| Analog Setting | 0~5V,0~10V, 4~20mA ,0~20mA |
| Others | Frequency lower limit,start frequency,stop frequency,three skip |
| frequency can be individually set |
| General Controll | Acceleration / | 0.1-6000s four selectable combinations of independent acceleration |
| deceleration time | and deceleration setting |
| V/F Curve | Set V/F curve |
| Torque Increase | Auto torque increase: according to the output current |
| Manual torque increase: 0.1% ~ 30.0% of rated output |
| Multi-function input | 6 multi-function input terminal for 8 multi-speed,easy PLC, |
| terminal | 4 Accel/Decel time,UP/DOWN command,external emergency stop |
| Multi-function output | 5 multi-function output terminal for display and warm of on running, |
| terminal | zero speed,counter and external fault information |
| Others | AVR,Decelerating stop or free-stop,DC brake,auto restart tracking,easy PLC auto energy saving, |
| adjustable carrier Frequency(Max 20KHz) |
| Protection Function | Over Load | Motor dirver of electronic circuit : (contstant torque 150% at 1 minute |
| ,fans 120% at 1 minute) |
| Fuse | Fuse off,motor stop |
| Under voltage | 220V:DCvoltage |
| Over voltage | 220V:DCvoltage>400V; 380V:DC voltage>800V |
| Restart for | Restart with freququency track after instantaneous stop |
| instantaneous stop |
| Stall prevention | Stall prevention for acceleration and deceleration |
| Short circuit of | protection for electronic circuit |
| output terminal |
| Others | Heatsink overheat protection,reverse limit,fault reset,parameter |
| lock PID. |
Our Service
1. We have several transport options for customer to choose:by sea/truck/train/express/air,ect
2. We can design the job for your specs or your project
3. We provide site commissioning on demand
4. Delivery term: FOB, CIF,EXW are available
5. Payment term:30% prepayment, 70% before dispatching
6. Production lead-time: 1-2 weeks
7. Shipping lead-time: 4-6 weeks
8. Logistics: best service forwarder with good price, long-term partner
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