GK500 Mini Series Variable Frequency Drives

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GK500 Mini Series Variable Frequency Drives (0.4kW-3.7kW)

GK500 Series Mini V/Hz Control Variable Frequency Drives are specialized for low power (0.4kW-3.7kW) applications. GK500 Series are compact in volume, simple in operation in V/F control mode. GK500 Variable Frequency Drives are equipped with multiple frequency command sources, including digital setting, analog input, pulse input, process PID control, simple PLC, multi-step speed, and communication.

1. Model Explanation

2. Nameplate Information

3.Product Model and  Technical Data of GK500 VARIABLE FREQUENCY DRIVES

Voltage

Model

Power rating (kW)

Output current (A)

Triphase input current (A)

Single-phase input current (A)

Applicable motor (kW)

Brake unit

  200V*

GK500-2T0.4B

0.4

2.6

3.2

5.5

0.4

inbuilt

GK500-2T0.75B

0.75

4.5

6.3

9.2

0.75

GK500-2T1.5B

1.5

7.5

9

14.5

1.5

GK500-2T2.2B

2.2

9.6

15

23

2.2

400V

GK500-4T0.75B

0.75

2.5

3.5

/

0.75

GK500-4T1.5B

1.5

3.8

6.2

/

1.5

GK500-4T2.2B

2.2

5.5

9.2

/

2.2

GK500-4T3.7B

3.7

9

14.9

/

3.7

Table 1 Product Model and  Technical Data of GK500 VARIABLE FREQUENCY DRIVES

 *200V drives are  applicable to triphase 200V and single-phase 200V

4.Technical Features of  GK500 Series Mini VARIABLE FREQUENCY DRIVES

Power input

Rated input voltage

3-phase AC 208V/220V/230V/240V/380V/400V/415V/440V/460V/480V

1-phase AC220V/AC230V/AC240V

Rated input current

See Table 1 above

Frequency

50Hz/60Hz, tolerance ±5%

Allowable range of voltage

Continuous voltage fluctuation ±10%, short fluctuation -15%~+10%

Voltage out-of-balance rate <3%, distortion rate as per the requirements IEC61800-2

Power output

Applicable motor (kW)

See Table 1 above

Rated current (A)

See Table 1 above

Output voltage (V)

3-phase: 0~rated input voltage, error < ±3%

Output frequency (Hz)

0.00~ 600.00Hz; unit: 0.01Hz

Overload capacity

150% - 1min; 180% - 10s; 200% - 0.5s

Control characteristics

V/f patterns

V/f control

Sensor-less vector control 1

Speed regulation range

1:100 ( V/f , sensor-less vector control 1)

Speed accuracy

±0.5% (V/f control)

±0.2% (sensor-less vector control 1)

Speed fluctuation

±0.3% (sensor-less vector control 1)

Torque response

< 10ms (sensor-less vector control 1)

Start torque

0.5Hz: 180% (V/f control, sensor-less vector control 1)

Basic functions

Start frequency

0.00~ 600.00Hz

Accel/Decel time

0.00~60000s

Carrier frequency

0.7kHz~12kHz

Frequency setting

Digital setting + keypad   ∧  /  ∨

Digital setting + terminal UP/DOWN

Potentiometer

Communication

Analog setting (AI1)

Motor started methods

Started from starting frequency

DC braking and then started

Motor stopped methods

Ramp to stop

Coast to stop

Ramp stop + DC brake

Basic functions

Dynamic braking capacity

Brake unit threshold voltage:

400V input: 650V~750V

200V input: 325V  ~  375V

service time: 0.0~100.0s

DC braking capacity

DC braking start frequency: 0.00~600.00Hz

DC braking current: 0.0~100.0%

DC braking time: 0.0~30.00s

Input terminals

4 digital inputs

1 analog, current/voltage type selectable

Output terminals

1 digital output

1 relay output

1 analog output, voltage/current output selectable; can output signals such as setting frequency, or output    frequency, etc

Featured functions

Various master  & auxiliary commands and their switch, a variety of Accel/Decel curves optional, analog auto correction, 8-step speed programmable, three faults history, over excitation brake, over voltage stall protection, under voltage stall protection, restart upon power loss, skip frequency, frequency binding, four kinds of Accel/Decel time, process PID, autotuning, field-weakening control

Protection functions

Refer to Chapter 6- Troubleshooting

Environment

Place of operation

Indoors, no direct sunlight, free from dust, no corrosive gases, no flammable gases, no oil mist, no water vapor, no    water drop and salt, etc.

Altitude

0~2000m

De-rate 1% for every 100m when the altitude is above 1000 meters

Ambient temperature

-10  ℃  ~50  ℃

Relative humidity

0~95%, no condensation

Vibration

Less than 5.9m/s2 (0.6g)

Storage temperature

-40  ℃  ~+70  ℃

Others

Efficiency at rated Amps

At rated Amps ≥93%

Installation

Wall-mounted, Din-rail

IP grade

IP20

Cooling method

Forced air cooling

Control Terminal Specification

Control terminal specification

Category

Terminal

Terminal designation

Specification

Analog input

+10V

Analog input
reference voltage

10.3V ±3%

Maximum output current 25mA
The resistance of external potentiometer should be larger than 400Ω

GND

Analog ground

Isolated from COM interiorly

AI1

Analog input 1

0~20mA: input impedance - 500Ω, maximum input current - 25mA

0~10V: input impedance - 100kΩ, maximum input voltage - 12.5V

Switch S2 on control board for jumping from 0~20mA and 0~10V, factory default: 0~10V

AI2

Analog input 2

-10V~10V: input impedance - 25kΩ

Range: -12.5V~+ 12.5V

Analog output

AO1

Analog output 1

0~20mA: impedance - 200Ω~500Ω

0~10V: impedance ≥ 10k

Switch S3 on control board for jumping between 0~20mA and 0~10V, factory default: 0~10V

GND

Analog ground

Isolated from COM interiorly

Digital input

+24V

+24V

24V±10%, Isolated from GND interiorly

Maximum load - 200mA

PLC

Digital input
Common terminal

Used for switching between high and low levels, short-circuited with +24V when delivery, i.e. low value of digital input valid

External power input

COM

+24V ground

Isolated from GND interiorly

X1~X5

Digital input
Terminals 1~5

Input: 24VDC, 5mA

Range of frequency: 0~200Hz

Range of voltage: 10V~30V

X6/DI

Digital input/pulse input

Digital input: same as X1~X5

Pulse input: 0.1Hz~50kHz; range of voltage: 10-30V

Digital output

Y1

Open collector output

Range of voltage: 0~24V

Range of current: 0~50mA

Y2/DO

Open collector out / Pulse out

Open collector output: same as Y1

Pulse output: 0~50kHz;

Relay output

RA/RB/RC

Control board relay output

RA-RB: NC; RA-RC: NO

Contact capacity: 250VAC/3A, 30VDC/3A

Terminal 485
Interface

485+

485 differential signal +

Rate: 4800/9600/19200/38400/57600/115200bps

485−

485 differential signal -

Maximum distance - 500m (standard network cable used)

GND

485 communication shield grounding

Isolated from COM interiorly

Keypad 485 interface

CN4

Keypad 485 interface

Maximum communication distance is 15m when connected to Keypad

Use standard network cable

5. Environment requirement:
 

→  Conditions:  Indoors, free from direct sunlight, corrosive gases, flammable gases, oil mist,  water vapor, metal particles, etc.
→  Altitude:  0~2,000m. Derating is required above 1,000m, Rated output current should be  derated 1% per 100m increase above 1000m.
→  Ambient  temperature: -10°C~50°C.Derating 1% per centigrade additional for temperature  >50°C
→  Vibration:  Less than 5.9 m/s² (0.6g)
→  Storage  temperature: -40~70°C
→ Protection  grade: IP20
→  Type of  cooling: Air cooling

6. Applications:

Fan, oil pump, water  pump, compressor, air compressor, injection molding machine, engraving machine,  textile, packaging, conveyor, treadmill, printing machine, lathe, machine tool,  hydraulic machine, wire drawing, winder/un-winder, knitting Machine,  compressor, extruding machine, injection machine, AC motor, braiding machine,  pressure fan, forced draught blower, blower, blowing machine, blow molding  machine, root's blower, film blowing machine, cutter bar, cut-off machine,  slitter, Cutting machine, grinder, cluster, glazing machine, polisher,  polishing machine, laundry-drier, drying machine, ball crusher, ball grinding  mill, drawing machine.

7. Key words

Frequency  inverters, AC Drives, variable frequency drives (VFD), AC motor drives, frequency  converters, frequency changers, adjustable speed drives (ASD), adjustable  frequency drives (AFD), variable speed drives (VSD), AC motor speed controller,  AC variable frequency drive, variable frequency inverter, AC motor speed  controller, EMI filter, Input EMI Filters, Output EMI Filters, AC Choke, AC  Reactor, Input AC Choke, Output AC Choke, Input AC Reactor, Output AC Reactor,  DC Choke, DC Reactor, Input DC Choke, Output DC Reactor, Input DC Reactor,  Servo Drive, Servo Motor & Drive, Servo Motor & Drive System

8.GTAKE frequency inverter  can substitute brands as follows:

ABB,  SIEMENS, DANFOSS, VACON, SEW, LENZE, PETER ELECTRONIC, LEISTER, WATT DRIVE,  KEB, BONFIGLIOLI, NORD, CAG ELECTRIC MACHINERY, INTECNO, SYCOTEC, KB  ELECTRONICS,  TDE MACNO SPA, GEFRAN,  CONTROL TECHNIQUES, PEPPERL FUCHS, GRUNDFOS, VEM MOTORS, BR  INDUSTRI-ELEKTRONIK, RK ROSE+KRIEGER, CARLO GAVAZZI, LEROY SOMER, VERLINDE,  TRANSTECNO, STAHL CRANE SYSTEMS GMBH, MIYACHI, DEMAG CRANES COMPONENTS, ABM,  ROSSI, COGNITO QUAM, GE, AIRTECNICS, Delta, Teco, Toshiba, Mitsubishi, fuji,  Yaskawa, Hitachi, Omron, Panasonic, HYUNDAI, LS/LG

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