Em303a Universal Frequency Inverter

Salient Features of EM303A Universal Frequency Inverter :

1. Speedless sensor vector control technique;
2. Drive mode: V/F, open loop vector without PG, enclosed loop vector without PG;
3. Setting mode: Speed / frequency, torque;
4. Auto tuning of motora s parameters;
5. Frequency control widthi 0i 600HZ
6. Speed regulation widthi 1:50(SV), 1:100(vector w/o PG)
7. Speed control accuracyi +/- 0.5Hz
8. Start-up torquei 150% / 1Hz (SV), 150%/0.5Hz (vector w/o PG)
9. Max. overload current:i Gi 150% for 1 minutei 180% for 2 seconds
10. AVR voltage stabilization technique
11. Built-in braking unit for power 0.75i 15KW, can utilize braking resistor for quick stop;
12. Built-in PID
13. Built-in standard RS485 communication interface;
14. RS485, realize master-slave control system with multiple inverters through PLC or IPC;
15. Support MODBUS RTU communication protocol;
16. Numeric input terminals support forward / reverse logic control;
0.75 a 400 KW

Applications :
Universal open loop vector inverter, can be applied to most AC motors, such as textile machine(winder), lift, cable, blower and crane etc...