| Basics |
Model |
GK3000-1S0055 |
| Capacity |
5.5 kW (7.5 hp) |
| Shipping weight |
9 kg |
| Dimension |
177.2*200*329.1 mm |
| I/O Feature |
Rated current |
34 A |
| Input voltage |
single phase AC 220V±15% |
| Input frequency |
47~63Hz |
| Output voltage |
1 phase 0～rated input voltage |
| Output frequency |
V/f control: 0~3000Hz |
| Over load capacity |
150% of rated current for 60s, 180% of rated current for 10s, 200% of rated current for 3s |
| Control Features |
Control mode |
V/f control |
| Operation command mode |
Keypad control, Terminal control, Serial communication control |
| Frequency setting mode |
Digital setting, analog setting, pulse frequency setting, serial communication setting, multi-step speed setting & simple PLC, PID setting, etc. These frequency settings can be combined & switched in various modes. |
| Starting torque |
1 Hz/150% |
| Speed adjustment range |
1:50 |
| Carrier frequency |
1.0-16.0kHz, automatically adjusted according to temperature and load characteristics |
| Frequency accuracy |
Digital setting: 0.01Hz
Analog setting: Maximum frequency * 0.05% |
| Torque boost |
Automatically torque boost; manually torque boost: 0.1%~30.0% |
| V/f curve |
Three types: linear, multiple point and square type (1.2 power, 1.4 power, 1.6 power, 1.8 power, square) |
| Acceleration/deceleration mode |
Straight line/S curve; four kinds of acceleration/deceleration time, range: 0.1s~3600.0s |
| DC braking |
DC braking when starting and stopping
DC braking frequency: 0.0Hz~maximum frequency, braking time: 0.0s~100.0s |
| Jog operation |
Jog operation frequency: 0.0Hz~maximum frequency
Jog acceleration/deceleration time: 0.1s~3600.0s |
| Simple PLC & multi-step speed operation |
It can realize a maximum of 16 segments speed running via the built-in PLC or control terminal. |
| Built-in PID |
Built-in PID control to easily realize the close loop control of the process parameters (such as pressure, temperature, flow, etc.) |
| Automatic voltage regulation |
Keep output voltage constant automatically when input voltage fluctuating |
| Control Function |
Common DC bus |
Common DC bus for several VFDs, energy balanced automatically |
| Torque control |
Torque control without PG |
| Torque limit |
"Rooter" characteristics, limit the torque automatically and prevent frequent over-current tripping during the running process |
| Wobble frequency control |
Multiple triangular-wave frequency control, special for textile |
| Timing/length/counting control |
Timing/length/counting control function |
| Over-voltage & over-current stall control |
Limit current & voltage automatically during the running process, prevent frequent over-current & over-voltage tripping |
| Fault protection function |
Up to 30 fault protections including over-current, over-voltage, under-voltage, overheating, default phase, overload, shortcut, etc., can record the detailed running status during failure & has fault automatic reset function |
| Input/output terminals |
Input terminals |
Programmable DI: 7 on-off inputs, 1 high-speed pulse input 2 programmable AI:
AI1: 0～10V or 0/4～20mA
A12: 0～10V or 0/4～20mA |
| Output terminals |
1 programmable open collector output: 1 analog output (open collector output or high-speed pulse output)
2 relay output
2 analog output: 0/4~20mA or 0~10V |
| Communication terminals |
Offer RS485 communication interface, support MODBUS-RTU communication protocol |
| Human machine interface |
LED display |
Display frequency setting, output frequency, output voltage, output current, etc. |
| Multifunction key |
QUICK/JOG key, can be used as multifunction key |
| Environment |
Ambient temperature |
-10℃～40℃, derated 4% when the temperature rise by every 1℃ (40℃～50℃). |
| Humidity |
90%RH or less (non-condensing) |
| Altitude |
≤1000M: Output rated power, ＞1000M: Output derated |
| Storage temperature |
-20℃～60℃ |