Inverters AC

MAIN FEATURES

fconverter..JPG (17428 bytes)

STANDARD ESPECIFICATIONS

CONTROL

 

Control Method

Sinusoidal PWM modulation; 2 or 3 phases modulation selectable

Close loop control

Quadrature input clock feed back by encoder

Open loop control

Panel, Potentiometer, 0VDC to 10VDC; 0VDC to 5VDC; +5VDC to

-5VDC; 0mADC to 20mADC; 4mADC to 20mADC and their inverses.

Output Frequency

200Hz; 650Hz; 1500Hz; 3000Hz in function to versions

Frequency setting resolution

0.01Hz for digital input; 0.1Hz for analog input

Frequency accurancy

+/-0.01Hz

Volt/Freq characteristics

from linear to parabolic curve programable

Computer interface

Built-in RS-485 communication port allows settings and date control. Up 99 unit inverters can be put under centralized control of computer.

Multi-function digital input

4 photo-coupler input terminals are all designed as programmable input terminal

Multi-function analog input

2 programmable terminals.

The first by tension (10V; +/-5V); the second by signal (+5V; 20mADC)

Frequency Skip

Setting skip frequency and width

PWM carry frequency

Programable in the range of 2kHz to 16kHz

Upper/Lower limit frequency

Programable upper/lower limit frequency

   

OPERATING FUNCTION

 

Acceleration/deceleration time

0.1 to 6553 sec. and selection soft acceleration/deceleration

Regenerative discharge braking

Built-in or external as option in function versions.

DC injection braking

Injection start frequency, braking voltage and time all programmable

Automatic restart

Speed searching to recover a FREE RUN motor.

Multi-function digit output

2 terminals are open collector output.

2 terminals are Normal open contact relay output.

Any of the above outputs are programable.

Multi-function analog output

Selectable output for analog meter: Hz; Irms; VDC; Vout (1V/1mADC)

Voltage boost

Programable voltage boost level from 0% to 30%

Output voltage regulation

Enable/Disable setting by software

Automatic step run

Step running by 5-speed setting, 5-acc/dec, time, 5-period time and 5-auto mode.

Multi-speed run

With the combinations of the 4 digit input 5 speed levels can be selected

   

PROTECTIONS

 

Short-circuit protection

Between output phases (U-V-W); Between output phases and earth (Optional)

Momentary power interrupt

Programable restart function

Stall prevention

Programable stall current level from 10% to 200%

Over load current

Adjustable up to 200%

Motor rating

Setting 10% to 100% of inverter rating

Over voltage

130% of line voltage

Under voltage

70% of line voltage

Over temperature

Fin over heat and external over heat input

   

DISPLAY

 

Multi-function monitor display

Hz, RPM, VDC input, Vrms, Irms and terminals status

Alarm indications

Over voltage, Under voltage, Over load, Over heat, Over current, Communication error, Alarm history

Status indications

Forward, Reverse, Hz, I

   

INSTALATION

 

Service enviroment

Indoor, Altitud 1000 m (3300 ft) maximum. Must not be exposed to direct sunlight or subject to corrosive or flammable gases or fluids.

Temperature

from -10ºC to +40ºC

Relative humidity

90% maximum (no condensation allowed)

Vibration

Acceleration at 0.5G maximum (20Hz to 50Hz); Amplitude at 0.1mm maximum (50Hz to 100Hz)


Return