7-1 Standard Specification List „ Common Specifications 7 Specifications 7-2 Item Specifications Enclosure rating IP20 Cooling method Forced air cooling Control method Phase-to-phase sinusoidal modulation PWM Output frequency range 0.1 to 400 Hz Frequency precision Digital command: ±0.01% of the max. frequency Analog command: ±0.2% of the max. frequency (25°C ± 10°C) Frequency resolution Digital setting: 0.01 Hz Analog setting: Max. frequency/4000 (Terminal FV: 12 bits/0 to +10 V), (Terminal FE: 12 bits/-10 to +10 V), (Terminal FI:
12 bits/0 to +20 mA) Voltage/Frequency characteristics V/f optionally changeable at base frequencies of 30 to 400 Hz, V/f braking constant torque, reduction torque, sensor-less vector control, sensor-less vector control at 0 Hz Speed fluctuation ±0.5% (under sensor-less vector control or sensor-less vector control at 0 Hz) Overload current rating 150%/60 s, 200%/3 s Acceleration/Deceleration time 0.01 to 3600.0 s (line/curve selection) Starting torque 200%/0.3 Hz (under sensor-less vector control or sensor-less vector control at 0 Hz) 150%/Torque at 0 Hz (under sensor-less vector control at 0 Hz, when a motor size one rank lower than specified is connected) DC injection braking Operates when the starting frequency is lower than that in deceleration via the STOP command, when the frequency reference is lower than the operation frequency, or via an external input (braking power, time, and frequency are variable) Input Frequency settings Standard Digital Operator Setting via keys External signal 0 to +10 V DC, -10 to +10 V DC (Input impedance:
10 kΩ) 4 to 20 mA (Input impedance: 100 Ω) External port Setting through RS485 communication Forward or reverse operation/Stop Standard Digital Operator RUN/STOP (Forward/reverse switched via the parameter settings) External signal Forward/Stop (Reverse/Stop available at the time of multi-functional input terminal allocation) 3-wire input available (at the time of control circuit terminal block allocation) External port Setting through RS485 communication