Item |
Specification |
Principal control functions |
Control system |
Sinusoidal PWM control |
Related output voltage |
Adjustable of output voltage in base freguency setting by the correcting supply voltage (200V) (Unadjustable to any voltage higher than the input voltage). |
Output frequency range |
0.5 to 200Hz, default setting: 0.5 to 80Hz, maximum frequency: 30 to 200Hz. |
Minimum setting steps of frequency |
0.1Hz: operation panel setting, 0.2Hz: analog input (when the max. frequency is 100Hz). |
Frequency accuracy |
Digital setting: within +/-0.5% of the max. frequency (-10 to +50 degreeC) Analog setting: within +/-1.0% of the max. frequency (25 degreeC +/- 10 degreeC) |
Voltage/frequency characteristics |
V/f, sensorless vector control, base frequency, base frequency voltage and torque boost amount adjustable |
Frequency setting signal |
Volume on the front panel,
external frequency volume (connectable to a volume with a rated impedance of 3-10kohm),
VI terminal (input impedance: 42kohm(voltage: 0-10Vdc) or 250ohm (current: 4-20mAdc)).
The characteristic can be set arbitrarily by two-point setting. |
Operation specifications |
Start-up frequency/frequency jump |
Adjustable within a range of 0.5 to 10Hz/Up to 1 frequency can be adjusted together with their widths. |
PWM carrier frequency |
Selectable from among 2, 4, 8, 12 and 16kHz (Standard default setting: 12kHz) |
Acceleration/deceleration time |
0.1 to 3000 seconds, switchable between acceleration/deceleration time 1 and 2. |
Retry operation |
Number of times of retry selectable (Max. 10 times). If the protection function is activated, the retry function restarts on completion of a check of the main circuit. |
Electric control |
Charging of capacitor (Deceleration time can be shortened by activating Forced Shortened Deceleration mode.) |
DC braking |
Braking start-up frequency: 0 to maximum frequency, braking rate: 0 to 100%, braking time: 0 to 20 seconds. |
Input terminal functions (selectable) |
Forward/reverse run input signal, jog run input signal, standby signal, preset-speed operation input signal, reset input signal, etc./Switching between sink/source. |
Output terminal functions (selectable) |
Frequency lower limit output signal, frequency upper limit output signal, low-speed detection output signal, specified speed attainment output signal, etc. Open collector, RY output. |
Failure detection signal |
1c-contact output: 250Vac/2A, cos = 0.4 |
Output for frequency meter output for ammeter |
PWM output: (1mAdc full-scale DC ammeter or 7.5Vdc full-scale DC ammeter/Rectifier-type AC voltmeter, 225% current Max. 1mAdc, 7.5Vdc full-scale) |
Protective function |
Protective function |
Stall prevention, current limitation, over-current, output short circuit, over-voltage, over-voltage limitation, undervoltage, ground fault, power supply phase failure, output phase
failure overload protection by electronic thermal function, armature over-load at start-up, load-side over-torque at start, overheating prevention, detection of analog signal break. |
Protection against momentary power failure |
Auto-restart/non-stop control after momentary power failure. |
Electronic thermal characteristics |
Switching between standard motor/constant-torque VF motor, overload trip, overload stall selection. |
Display function |
4-digit 7-segments LED |
Frequency: inverter output frequency. Alarm: stall alarm "C", overvoltage alarm "P", overload alarm "L", overheat alarm "H". Status: inverter status (frequency, cause of activation of protective function, input/output voltage, output current, etc.) and parameter settings. Free-unit display: arbitrary unit (e.g. rotating speed) corresponding to output frequency. |
Indicator |
Lamps indicating the inverter status by lighting, such as RUN lamp and PRG lamp. |
Environments |
Use environments |
Indoor, altitude: 1000m (Max.), not exposed to direct sunlight, corrosive gas, explosive gas or vibration (less than 5.9m/s2) (10 to 55Hz). |
Ambient temperature |
-10 to 50 degreeC Note)1.2 |
Storage temperature |
-20 to +65 degreeC |
Relative humidity |
20 to 93% (free from condensation and vapor). |
Note) 1. Above 40 degreeC: Remove the protective seal from the top of VF-nC1.
Note) 2. Side-by-side installation : 40 degreeC or less (Remove the protective seal from the top of VF-nC1).