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Technical Specification
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Input Rating
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Power supply
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3 Phase, 380V / 415V, 50 / 60 Hz
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Allowable variations
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Voltage: +10%, -15%, Frequency : +/-5%, imbalance less than 3%
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Output voltage
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3 phase, 380V to 440V (same as input voltage)
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Output Rating
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Output frequency
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1 to 128Hz
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Frequency stability
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Digital setting : +/- 0.01% of Max. frequency
(-10 C to +50 c)
Analog setting : +/- 0.2% of Max. frequency
(at 25 C +/- 10C)
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Overload capacity
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150% for one minute
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Control system
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Space vector modulation with bus ripple compensation
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Control Specification
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Frequency control range
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1 to 128Hz
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Adjustable current limit
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30 to 200 % of rated current
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Maximum frequency
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1 to 128Hz
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Base frequency
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40 / 50Hz
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Carrier frequency
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5.3Hz fixed
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Frequency setting
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Up /Down keys, potentiometer 1 kohm (0.5 W),Raise / Lower switch, Analog input : 0 to 10V, 0 to -10V, 4 to -20mA, +10V to -10V (polarity based speed reversal), 8 preset frequencies with x1, x2 & x3 terminals
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Frequency resolution
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Digital : 0.01Hz step (at Fmax. 50Hz)
Analog : 0.05Hz step (at Fmax. 50Hz)
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Jump frequency control
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3 points with adjustable jump range
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Accel / Decel. rate
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0.1 to 128Hz per second (4 independently adjustable Accel. & Decel.)
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Braking torque
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Dynamic braking (20 to 150%)
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Slip compensation
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Available (Load current dependent)
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Max./Min. frequency
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Frequency lower limit / Frequency upper limit (Fstart to Fmax.)
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Fault history display
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Present fault and upto 19 previous faults
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Starting frequency
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1 to 10Hz
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Inverter trip and error messages
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Under voltage, Over voltage, Inverter Overload, Short circuit, CMOS error, Over current during acceleration / deceleration / steady state conditions, THR fault, Heat sink overheating & Electronic thermal overload trip.
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Protection
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Functions
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Stall prevention, Auto restart during instantaneous power failure for 15ms duration
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Analog output
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Frequency / Motor Current
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Indication and Control
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External output
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2Nos. Programmable open collector outputs, 1No. Fault alarm relay output and 1 no. Programmable relay output.
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Display unit
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4 Seven segment LED: Output frequency, RPM Load current & DC bus voltage 16 x 2 Character LCD with back-lit and 6 Keys touch pad for programming
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Installation Location
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Indoor not more than 1000 Mts. Above sea level. Do no install in a dirty location or expose to corrosive gases or direct sun rays.
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Environmental Conditions
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Ambient temperature
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10 C to +40 C (-10 C to +50 C when mounted inside the switch board)
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Humidity
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90 % RH or less (non-condensing)
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Cooling system
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Forced air cooling type
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Optional
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RS 232C / RS 485 (serial Communication), Dynamic braking facility & / or Resistor unit, input AC Reactor
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