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Control
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Control method
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Soft-PWM control, high carrier frequency PWM control (selectable among V/F control, General-purpose magnetic flux vector control, Optimum excitation control).
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Output frequency range
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0.2 to 400 Hz.
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Frequency setting and resolution
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Analog input
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0.06/60 Hz at 0 to 10 V / 10 bits (terminals 2 and 4).
0.12/60 Hz at 0 to 5 V / 9 bits (terminals 2 and 4).
0.06/60 Hz at 0 to 20 mA / 10 bits (terminal 4).
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Digital input
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0.01 Hz.
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Frequency accuracy
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Analog input
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Within ±1% of the maximum output frequency at 25°C (±10°C).
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Digital input
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0.01% or less of the set output frequency.
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Voltage/frequency characteristics
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Base frequency can be set from 0 to 400 Hz. Constant-torque or adjustable 3 points V/F can be selected.
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Starting torque
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150% or more at 1 Hz, with General-purpose magnetic flux vector control and slip compensation.
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Torque boost
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Manual torque boost.
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Acceleration/deceleration time setting
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0.1 to 3600 s (acceleration and deceleration can be set individually), linear or S-pattern acceleration/deceleration modes are available.
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DC injection brake
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Operation frequency (0 to 120 Hz), operation time (0 to 10 s), operation voltage (0 to 30%) variable.
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Stall prevention operation level
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Operation current: 0 to 200% variable, with selectable availability of the function.
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Operation
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Frequency setting signal
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Analog input (2)
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Terminal 2: 0 to 10 V / 0 to 5 V.
Terminal 4: 0 to 10 V / 0 to 5 V / 4 to 20 mA.
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Digital input
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Input from the operation panel or parameter unit, with selectable frequency setting increments
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Start signal
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Forward and reverse rotation or start signal automatic self-holding input (3-wire input) can be selected.
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Input signal (5)
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Using Pr.178 to Pr.182 (input terminal function selection), the signal can be selected from the following:
Multi-speed selection, Remote setting, Second acceleration/deceleration function selection, Terminal 4 input selection, JOG operation selection, PID control valid terminal, External thermal relay input, Output stop, Start self- holding selection, Forward rotation command, Reverse rotation command, Inverter reset, Traverse function selection.
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Operational function
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Maximum frequency, minimum frequency, frequency jump operation, external thermal relay input selection, automatic restart after instantaneous power failure operation, forward/reverse rotation prevention, remote setting, second acceleration/deceleration function, multi-speed operation, regeneration avoidance, slip compensation, operation mode selection, offline auto tuning, PID control, computer link operation (RS-485 communication), Optimum excitation control, power failure stop, MODBUS RTU, increased magnetic excitation deceleration.
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Output signal relay output (1)
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Using Pr.195 output terminal function selection, the signal can be selected from the following: Inverter running, Up to frequency, Overload warning, Output frequency detection, Electronic thermal O/L relay pre-alarm, Inverter operation ready, Output current detection, PID lower limit, PID upper limit, PID forward/reverse rotation output, Heatsink overheat pre-alarm, During deceleration at occurrence of power failure, During PID control activated, PID output interruption, During retry, Alarm output, Fault output, Fault output 3.
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Indication
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Operation panel
Parameter unit (FR-PU07)
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Status monitoring
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Selectable from the following: output frequency, output current (steady state), output voltage, frequency setting, cumulative energization time, actual operation time, converter output voltage, electronic thermal relay function load factor, motor load factor, PID set point, PID measured value, PID deviation, inverter I/O terminal monitor, output power, cumulative energy, motor thermal load factor, inverter thermal load factor.
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Fault record
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Fault record is displayed when a protective function is activated. Past 8 fault records are stored.
(output voltage, output current, frequency, and cumulative energization time right before the protective function is activated.)
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Interactive guidance
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Help function for operation guide*1.
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Protective function
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Fault
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Overcurrent during acceleration, Overcurrent during constant speed, Overcurrent during deceleration, Overvoltage during acceleration, Overvoltage during constant speed, Overvoltage during deceleration, Inverter overload trip (electronic thermal relay function), Motor overload trip (electronic thermal relay function), Heatsink overheat, Input phase loss*3, Output side earth (ground) fault overcurrent at start, Output short circuit, Output phase loss, External thermal relay operation*2, Parameter error, PU disconnection*2, Retry count excess*2, CPU fault, Inrush current limit circuit fault, 4 mA input fault*2, Stall prevention stop, Output current detection value exceeded*2, Inverter output fault*5, Undervoltage.
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Alarm, Warning, Error message
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Overcurrent stall prevention, Overvoltage stall prevention, PU stop, Parameter write error, Electronic thermal O/L relay pre-alarm, Undervoltage, Inrush current limit resistor heating, Operation panel lock, Password locked, Inverter reset.
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Environment
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Surrounding air temperature
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-10 to +40°C (non-freezing)*4,
40 to 50°C (non-freezing) at the rated current reduced by 15%
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Surrounding air humidity
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95% RH or less (non-condensing) for models with circuit board coating.
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Storage temperature*6
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-20 to +65°C
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Ambience
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Indoors (free from corrosive gas, flammable gas, oil mist, dust or dirt).
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Altitude/vibration
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2500 m or less (For the installation at an altitude above 1000 m, consider a 3% reduction in the rated current per 500 m increase in altitude.)/ 5.9 m/s2 or less at 10 to 55 Hz (directions of X, Y, Z axes)
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