Control Method V/F, sensorless voltage vector control (SVVC)
Output Frequency 0~400 Hz
Frequency Accuracy Digital reference: within ±0.01% of the max. output frequency
Analog reference: within ±0.1% of max. output frequency
Frequency Setting Resolution Digital input: 0.01 Hz
Analog output: 1/1000 of max. frequency
Starting Torque 150% / 1.5 Hz (V/F)
150% / 0.5 Hz (IM sensorless voltage vector control)
Speed Control Range 1: 40 (V/F)
1:120 (sensorless voltage vector control)
Speed Control Accuracy ±3% in sensorless voltage vector control
Speed Response approx. 20%
Acc / Dec Time 0.0 ~ 6000.0 sec
V/F Pattern 15 fixed and 1 programmable
Overload Capacity Normal duty: 120% for 1 min. within every 10 min.
Heavy duty: 150% for 1 min. within every 10 min.
Heavy duty: 180% for 3 sec. within every 10 min.
Heavy duty: 200% for 1 sec. within every 10 min.
Parameter Functions Power Restart, Speed Search, Over Torque / Under Torque Detection, Multi-Step-Speed, Acc./Dcc Switch, S-curve Acc./Dcc., 3-Wire Sequence Control, Auto-Tuning, Cooling Fan ON / OFF Switch, Slip Compensation , Torque Compensation, Frequency Jump, Upper/Lower Limits for Frequency Command, DC braking at Run/Stop, PID Control including Pause Function, Energy Saving Mode, Fault Reset, Kinetic Energy, Auto Voltage Adjustment, Wobble, Traverse, etc.
Environment Indoor without corrosive gas/liquid or flammable gas/liquid/oil mist/dust
Ambient Temperature -10℃ to +50℃ for open type, -10℃ to +40℃ (NEMA1), below 95% RH without froze or condensation
Communications Modbus (RS-485 port), Max. high speed is 115.2kbbs