Frekvensomformare för varvtalsreglering av maskiner,
pumpar, fläktar mm
Kompakt och kraftfull
Mikro dimensioner och makroegenskaper: En verklig nyhet på marknaden
för kompakta
frekvensomformare.
Sensorless vektorstyrning
Sensorless vektorstyrning och dynamisk
eftersläpningskompensering: mer än 150%
startmoment
vid 1Hz.
Class B inbyggt EMC filter
Alla 230V enfasmatade modeller har
inbyggt EMC filter i enlighet med EU direktiv EN55011
class
B.
Installation sida vid sida
Frekvensomformare kan installeras med
50°C omgivningstemperatur utan de-rating.
“Sida
vid sida” installation
kan göras för att
minska utrymmesbehovet inuti apparatskåpet.
Enkel idrifttagning
Mer än 100 parametrar för
enkel anpassning till applikationer. Avancerad Makro editering
för
applikationer (AUF),
Tillgänglig historik till
de senaste 5 modifierade parametrarna (AUH) och
selektiv
editering för enbart modifierade parametrar (Gr.U).
Avancerade egenskaper
PI funktion, 15 förinställda
frekvenser, dubbel inställning av motorparametrar, aktivt
och
dynamiskt överlastskydd
för motor samt jordfelsskydd,
synkronisering med roterande motor,
seriell kommunikation.
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°C)
Analog Setting: within ±1.0% of the Max Frequency (25°C
± 10°C )
V/f Characteristics
V/f, Slip Frequency Compensation, Base Frequency, Base Frequency
Voltage and Torque Boost
(adjustable amount)
Frequency Setting Signal
Internal Pot on the Front Panel, External Frequency Signal
(connectable to a volume with a rated impedance of 3-10 kΩ), VI Terminal
(Input Impedance: 42 kΩ (Voltage: 0 - 10Vdc) or 250Ω (Current:
4 - 20 mAdc)). The frequency can be set arbitrarily using a two point setting.
Start-up & Jump Frequency
Adjustable within a range of 0.5 - 10Hz, up to 1 frequency
can be adjusted together with its widths
PWM Carrier Frequency
Selectable from among 2, 4, 8, 12 and 16kHz (Standard Default
Setting: 12kHz or 4kHz for models with a Built-In EMI Noise Filter)
Accel / Decel Time
Two selectable Accel / Decel Times adjustable from 0.1 to 3000
seconds
Retry Operation
Selectable number of retries (maximum 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.)
Dynamic Braking
Braking Start Frequency: 0 to Max Frequency, Braking Rate:
0 to 100%, Braking Time: 0 to 20 seconds
Input Terminal Functions
Forward / Reverse Run Input Signal, Jog Run Input Signal, Standby
Signal, Preset-Speed Operation Input Signal, Reset Input Signal, etc.
Output Terminal Functions
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
1 Form C contact, Rated: 250Vac, 2A, cosΦ = 0.4
FM / AM Output
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
Stall Prevention, Current Limitation, Overcurrent, Output Short
Circuit, Overvoltage, Overvoltage Limitation, Undervoltage, Ground Fault,
Power Supply Phase Failure, Output Phase Failure Overload Protection by
Electronic Thermal Function, Armature Overload at Start-up, Load-Side Overtorque
at Start-up, Overheating Prevention, Detection of Analog Signal Break
Momentary Power Failure Protection
Auto-Restart Control after momentary power failure
Electronic Thermal Characteristics
Switching between Standard Motor / Constant- Torque VF Motor,
Overload Trip, Overload Stall Selection
4-Digit, 7-Segment 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
Use Environments
Indoor- Altitude: 1000 m (maximum), not exposed to direct sunlight,
corrosive gas, explosive gas or vibration (less than 5.9m x 2) (10 to 55
Hz)
