Control Methods
V/f Control (V/f), Open Loop Vector Control (OLV), Closed Loop Vector Control (CLV)
Frequency Control Range
0.01 to 120 Hz
Frequency Accuracy (Temperature Fluctuation)
Digital input: within ±0.01% of the max output frequency (-10°C to +40°C), Analog input: within ±0.5% of the max output frequency (-10°C ± 40°C)
Frequency Setting Resolution
Digital inputs: 0.01 Hz; Analog inputs: 1/2048 of the maximum output frequency setting (11 bit plus sign)
Output Frequency Resolution
0.001 Hz
Frequency Setting Methods
−10 to +10 V, 0 to +10 V, 4 to 20 mA
Starting Torque
V/f: 130% at 3 Hz, OLV: 130% at 0.3 Hz, CLV: 130% at 0 r/min
Speed Control Range
V/f: 1:20, OLV: 1:100, CLV: 1:1000
Speed Control Accuracy
V/f: ± 2 to 3%, OLV: ± 0.5%, (25°C ± 10°C), CLV: ± 0.02% (25°C ±10°C)
Speed Response
OLV: 10 Hz, CLV: 50 Hz
Accel/Decel Time
0.0 to 6000.0 s (4 selectable combinations of independent acceleration and deceleration settings)
Motor Protection
Electronic thermal overload relay
Momentary Overcurrent Protection
Drive stops when output current exceeds 132%
Overload Protection
Drive stops after 60 s at 110% of rated output current
Overvoltage Protection
Power Cell VPN > 1035 VDC
Undervoltage Protection
Power Cell VPN < 300 VDC
Momentary Power Loss Ride-Thru
Resumes operation if power loss is less than 2 s (standard) (UPS Required)
Overheat Protection
Power Cell = Thermistor, Transformer = PT100 and Thermal Switch
Ground Fault Protection
Electronic circuit protection
Ambient Temperature
-45°C to +50°C (de-rating may apply above 40°C)
Humidity
95% RH or less (no condensation)
Storage Temperaturee
-20°C to +60°C (short-term temperature during transportation)
Altitude
Up to 2000 m without derating, up to 4000 m with output current and voltage derating
