GK900 Book-type Versatile AC Drive
GK900 is the book-type versatile series which can be used to replace GK620 and GK820 with more cost-effective price. Moreover, its performance is optimized and many new functions are added. It almost can be applied in all kinds of industries from the simple fan & pump to the most demanding ones.
Thanks to sophisticated engineers, scientific producing workmanship, rigorous quality control systems and management team, GTAKE frequency inverters are equipped with advanced features, some of which are listed as below:
01 Flexible fan control, high-precision torque limit, motor temperature protection, parameter auto-tuning for PMSM and ACIM.
02 PMSM shaft initial position auto-identified in 10ms.
03 Encoder type auto-identified, support real-time position display.
04 2MHz max. pluse input frequency from encoder, in-built pluse filter function.
05 Outstanding speed tracing function for PMSM & ACIM.
06 Preeminent MTPA function, improving motor torque output capability while reducing motor heat.
07 No trip at sharp load change from10% to 90% within 10ms.
08 Compact book-type design, side to side installation, save the space up to 70% without de-rating.
09 Independent air cooling tunnel to better protect the PCB, increasing the life and reliability.
10 Multi EMC specs and solutions to meet CE standards.
GK900 Technical Features
| Mains Supply (R/L1,S/L2,T/L3) | |
| Supply voltage | 200V：170-264V -15%-10% 400V：323-484V -15%-10% |
| Power source frequency | 47-63 Hz |
| Displacement power factor (cos φ) | (> 0.98) |
| Output Data (U, V, W) | |
| Output voltage / frequency | 0-100% of supply voltage / 0.00-600.00 Hz or customized |
| Ramp time | 0.01-60000 S |
note: 150% current can be provided for 1 minute, 180% for 10 seconds, 200% for 0.5 seconds.
Higher overload rating is achieved by oversizing the drive.
| Digital Input | |
| Programmable digital inputs | 5 (10) |
| Logic | NPN or PNP |
| Voltage level | 10 – 30V |
| Pulse input | 1 (X5/DI) |
| Analog Input | |
| Analog Input | 2 (4) |
| Modes | Voltage or current |
| Level | 0 to +10V, -10V to +10V, 0/4 to 20 mA (scalable) |
| Automatic correction | YES |
| Digital Output | |
| Programmable digital outputs | 2 (5) |
| Voltage level at digital output | 0 – 24 V |
| Programmable pulse outputs | 1 |
| Pulse output max. output frequency | 50.0 kHz |
| Analog Output | |
| Programmable analog outputs | 1 (2) |
| Voltage range / current range | 0 – 10 V / 0 – 20 mA |
| Relay Output | |
| Programmable relay outputs | 1 (2) |
| RA – RB / TA – TB | Normally close |
| RA – RC / TA – TC | Normally open |
| Contact capacitance | 250 V AC / 3A, 30 V DC / 3 A |
| Terminal 485 Interface | |
| 485+ / 485- | Rate: 4800/9600/19200/38400/57600/115200 bps Max. distance: 500 m |
| GND | Isolated from COM |
| Fieldbus Communication | |
| Modbus RTU, Modbus ASCII, CAN | Built-in |
| Profibus DP, CANopen, EtherCAT, Modbus-Tcp, etc. | Optional |
| Ambient | |
| Vibration | Less than 5.9 m/s² (0.6g) |
| Humidity | Relative humidity 5% – 95 %. No condensation |
| Corrosive environment | 3C3 |
| Ambient temperature | -10ºC – 50 ºC |
| Altitude | 0 – 2,000 m |
| Rated output current de-rated 1% every 100 m above 1,000 m | |
| Storage temperature | -40 – +70 ºC |
| Efficiency | Efficiency At rated amps: |
| 7.5kW and below: ≥93% | |
| 11 – 45 kW: ≥95 % | |
| 55kW and above: ≥98 % | |
| IP grade | IP20 |
| Cooling method | Forced air cooling |
Related products
GK200 is a general-purpose AC drive with V/Hz & SVC control, jointly designed and produced by GTAKE and its partner company. It's the one compatible with three phase 380V, three phase 220V and single phase 220V inputs. Widely used in various applications including air compressor, crane & lift, metal processing, mining, mills, food and beverage processing, packaging, conveyor, textile, plastics, fan & pump, etc.
GK610 is a compact AC drive with V/Hz and sensor-less vector control. It supports both IM & PMSM with high power density, and is mainly used for some simple applications which require small size and narrow space.
GK820 is the high-performance series which covers an entire range of applications, particularly for demanding ones that require precise speed control, torque control and fast response, etc.
GK620 is a general-purpose AC drive with V/Hz and sensor-less vector control. It's powerful in performance, reliable in quality and optimized in structure. GK620 is widely used in various applications including air compressor, crane & lift, metal processing, mining, mills, food and beverage processing, packaging, conveyor, textile, plastics, fan & pump, etc.
