GK620E Elevator dedicated AC Drive
GK620E is dedicated for passenger and freight elevators installed in residential buildings, shopping malls, and office buildings. The drives can be programmed to have a commendable leveling even they adopt open-loop control, reducing the cost of additional devices. Flexible S-curve program greatly improves comfortabilty for the elevator users.
Thanks to sophisticated engineers, scientific producing workmanship, rigorous quality control systems and management team, GTAKE elevator dedicated frequency inverters are equipped with advanced features, some of which are listed as below:
01 Starting torque: 180%, 0.25Hz (sensor-less vector control 2), 150%, 0.5Hz (sensor-less vector control 1).
02 Speed adjustable range: 0-50Hz: 1:200 (sensor-less vector control 2), 1:100 (V/Hz control, sensor-less vector control 1).
03 Speed accuracy: +/-0.2% (sensor-less vector control 1&2), +/-0.5% (V/Hz control).
04 Speed fluctuation: +/-0.3% (sensor-less vector control 1&2).
05 Torque response: less than 10ms (sensor-less vector control 1&2).
06 Over load capability: 150% 1minute, 180% 10 seconds, 200% 0.5 second, once every 10 minutes.
07 Output frequency: 0.00-600.00Hz, or customized like 1MHz.
08 Abundant frequency setting sources.
09 DC brake start frequency: any frequency in the range of 0Hz to 600.00Hz.
10 Diverse input and output terminals.
11 Ambient temperature: -10°C~50°C.
12 High precise torque limit, process PID control, simple PLC, dedicated control sequence, dedicated mechanical brake control, field weakening control, emergency & inspection speed programmable, commendable leveling, all-side protection, etc.
13 Online and offline auto-tuning both available.
14 Extreme short-time acceleration can be operated without trip, such as 0.1s from 0Hz to 50Hz.
GK620E Technical Features
| Mains Supply (R/L1,S/L2,T/L3) | |
| Supply voltage | 380-480V ±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.
Higher overload rating is achieved by oversizing the drive.
| Digital Input | |
| Programmable digital inputs | 6 (7) |
| Logic | NPN or PNP |
| Voltage level | 10 – 30V |
| Pulse input | 1 (X6/DI) |
| Analog Input | |
| Analog Input | 1 (2) |
| 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 |
| 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 |
| 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 |
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