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  3. TOSVERT VF-FS1 Common specifications

Product information

 

- Common specificaitons -
Item Specification
Principal
control
functions
Control system Sinusoidal PWM control
Output voltage adjustment Adjustable within the range of 50 to 660V by correcting the supply voltage (not adjustable above the input voltage)
Output frequency range 0.5 to 200.0Hz, default setting: 0.5 to 80Hz, maximum frequency: 30 to 200Hz
Minimum setting steps of frequency 0.1Hz: analog input (when the max. frequency is 100Hz), 0.01Hz: Operation panel setting and communication setting.
Frequency accuracy Digital setting: within +/-0.01% of the max. frequency (-10 to +60 degreeC)
Analog setting: within +/-0.5% of the max. frequency (25 degreeC +/- 10 degreeC)
Voltage/frequency characteristics V/F constant, variable torque, automatic torque boost, vector control, automatic energy-saving, PM motor control. Autotuning. Base frequency (25 - 200Hz) adjusting to 1 or 2, torque boost (0 - 30%) adjusting to 1 or 2, adjusting frequency at start (0.5 - 10Hz)
Frequency setting signal External frequency potentiometer (connectable to a potentiometer with a rated impedance of 1 - 10kohm), 0 - 10Vdc (input impedance: VIA/VIB=30kohm, 4 - 20mAdc (Input impedance: 250ohm).
Terminal board base frequency The characteristic can be set arbitrarily by two-point setting. Possible to set individually for three functions: analog input (VIA and VIB) and communication command.
Frequency jump Three frequencies can be set. Setting of the jump frequency and the range.
Upper- and lower-limit frequencies Upper-limit frequency: 0 to max. frequency, lower-limit frequency: 0 to upper-limit frequency
PWM carrier frequency Adjustable within a range of 6.0 to 16.0Hz (default: 8 or 12kHz).
PID control Setting of proportional gain, integral gain, differential gain and control wait time. Checking whether the amount of processing amount and the amount of feedback agree.
Operation
specifications
Acceleration/deceleration time Selectable from among acceleration/deceleration times 1 and 2 (0.0 to 3200 sec.). Automatic acceleration/deceleration function. S-pattern acceleration/deceleration 1 and 2 and S-pattern adjustable. Control of forced rapid deceleration and dynamic rapid deceleration
DC braking Braking start-up frequency: 0 to maximum frequency, braking rate: 0 to 100%, braking time: 0 to 20 seconds, emergency DC braking
Input terminal function
(programmable)
Possible to select from among 57 functions, such as forward/reverse run signal input, operation base signal input and reset signal input, to assign to 4 input terminals. Logic selectable between sink and source.
Output terminal functions
(programmable)
Possible to select from among 58 functions, such as upper/lower limit frequency signal output, low speed detection signal output, specified speed reach signal output and failure signal output, to assign to FL relay output, RY output terminals.
Forward/reverse run The RUN and STOP keys on the operation panel are used to start and stop operation, respectively. The switching between forward run and reverse run can be done from one of the three control units: operation panel, terminal board and external control unit.
Preset speed operation Base frequency + 7-speed operation possible by changing the combination of 3 contacts on the terminal board.
Retry operation Capable of restarting automatically after a check of the main circuit elements in case the protective function is activated. 10 times (Max.) (selectable with a parameter)
Various prohibition settings Possible to write-protect parameters and to prohibit the change of panel frequency settings and the use of operation panel for operation, emergency stop or resetting.
Auto-restart operation In the event of a momentary power failure, the inverter reads the rotational speed of the coasting motor and outputs a frequency appropriate to the rotational speed in order to restart the motor smoothly. This function can also be used when switching to commercial power.
Drooping function The motor is allowed to "slip" according to the load torque current.
Failure detection signal 1c-contact output: (250Vac-0.5A-cos = 0.4)
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-current at start-up, load side over-current at start-up, over-torque, undercurrent, overheating, cumulative operation time, life alarm, emergency stop, various pre-alarms
Electronic thermal characteristic Switching between standard motor and constant-torque VF motor, switching between motors 1 and 2, setting of overload trip time, adjustment of stall prevention levels 1 and 2, selection of overload stall
Reset function Function of resetting by closing contact 1a or by turning off power or the operation panel. This function is also used to save and clear trip records.
Display
function
Alarms Stall prevention, overvoltage, overload, under-voltage, setting error, retry in process, upper/lower limits
Causes of failures Over-current, overvoltage, overheating, short-circuit in load, ground fault, overload on inverter, over-current through arm at start-up, over-current through load at start-up, CPU fault, EEPROM fault, RAM fault, ROM fault, communication error. (Selectable: Emergency stop, under-voltage, low voltage, over-torque, motor overload, output open-phase)
Monitoring function Operation frequency, operation frequency command, forward/reverse run, output current, voltage in DC section, output voltage, torque, torque current, load factor of inverter, input power, output power, information on input terminals, information on output terminals, version of CPU1, version of CPU2, version of memory, PID feedback amount, frequency command (after PID), integral input power, integral output power, rated current, output speed, communication counter, normal state communication counter, causes of past trips 1 through 4, parts replacement alarm, cumulative operation time
Past trip monitoring function Stores data on the past four trips: number of trips that occurred in succession, operation frequency, direction of rotation, load current, input voltage, output voltage, information on input terminals, information on output terminals, and cumulative operation time when each trip occurred.
Output for frequency meter Analog output: (1mAdc full-scale DC ammeter or 7.5Vdc full-scale DC ammeter/Rectifier-type AC voltmeter, 120% current Max. 1mAdc, 7.5Vdc full-scale), 4 to 20mA/0 to 20mA output
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, MON lamp, PRG lamp, % lamp, Hz lamp, LOC/REM key lamp, UP/DOWN key lamp and RUN key lamp. The charge lamp indicates that the main circuit capacitors are electrically charged.
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 +60 degreeC Note1) Note2)
Storage temperature -20 to +65 degreeC
Relative humidity 20 to 93% (free from condensation and vapor).
Note 1: Above 40 degreeC: Remove the seal from the top of the inverter and use the inverter with the rated output current reduced.
Note 2: If inverters are installed side by side (with no sufficient space left between them): Remove the seal from the top of each inverter. When installing the inverter where the ambient temperature will rise above 40 degreeC, remove the seal from the top of the inverter and use the nverter with the rated output current reduced.
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