EM300A open loop / enclosed loop vector control inverter

0.75 - 400 KW

Applications:

Universal vector control inverter, open loop vector control, or enclosed loop vector control by connection with PG card, rotary encoder etc., applied to most AC motors such as plastic machine, cable, blower, water pump, cement, oil pump, dyeing, constant pressure water supply, especially high speed paper machine, precise textile, multi-color printing, CNC machine, elevator, tension control etc.

Features

1. Speedless sensor vector control without PG, speed vector control when connected with PG.

2. Drive mode: V/F, V/F with PG，vector control without PG, vector control with PG;

3. Setting mode: Speed / frequency, torque;

4. Auto tuning of motor’s parameters;

5. Frequency control width: 0~600HZ

6. Speed regulation width:1:50(SV), 1:100(vector w/o PG), 1:1000(vector with PG);

7. Speed control accuracy:+/- 0.5Hz

8. Start up torque:150%/1Hz (SV), 150%/0.5Hz (vector w/o PG), 150%/0Hz (vector with PG)

9. Max. overload current:150% for one minute，180% for 2 seconds

10. AVR voltage stabilization technique

11. Built-in braking unit for power 0.75~15KW, can utilize braking resistor for quick stop;

12. Built-in PID

13. Built-in standard RS485 communication interface;

14. Contact or button controlled start / stop;

15. RS485, realize master-slave control system with multiple inverters through PLC or IPC;

16. Support MODBUS RTU communication protocol;

17. Numeric input terminals support forward / reverse logic control;

18. Numeric output terminals support level / impulse output, forward / reverse logic and delay output etc.

19. VS/IS/VF/IF analog input signal can be programmed as numeric input;

20. VP/VS/IS/VF/IF analog input signal, can effectively avoid drift and interference of analog signal after special treatment;

21. Users can select the desired code to display and set;

22. Reference power: 10V / 20mA

23. Terminal control power:  24V/150mA

24. Numeric terminal input: 8 channels, one of which can be high speed impulse input;

25. Analog terminal input: 4 channels;

26. Numeric terminals output: 2 channels for OC output, and other 2 for relay output;

27. Analog terminal output: 2 channels ( 0 - 10 V / 0 - 20mA);

28. Keypad: LCD

29. DSP by American TI Company performs complicated logic operation with high speed and accuracy;

30. Cooling method: Forced air cooling;

31. Storage temperature: -25~65C

32. Humidity: 20%~90%RH

33. Self-protection against short-circuit, over current, over load, over voltage, lack phase, overheating or external fault etc.

Power supply: 3-phase, AC 380V / 415V / 440V, 50/60Hz, +/-5%.