| Item | Technical Index | Specification |
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| Input | Input voltage | 1AC 220~240V±15% |
| 3AC 220~240V±15% |
| 3AC 380~460V±15% |
| Input frequency | 50/60Hz±5% |
| Output | Output voltage | 0~rated input voltage |
| Output frequency | 0~6000Hz |
| Control Features | Control mode | V/f control |
| Sensorless vector control |
| Torque control |
| Overload capacity | 150% / 120s, 160% / 60s, 180% / 10s, 200% / 1s. |
| Starting torque | 0.5Hz/180% (SVC); 1Hz/150% (V/f) |
| Speed control precision | ±0.5% (SVC) |
| Carrier frequency | temperature and load characteristics 0.5~16.0kHz, automatically adjusted according to |
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| Frequency accuracy | Digital setting: 0.01Hz |
| Analog setting: maximum frequency ×0.05% |
| Operation command mode | Keypad control |
| Terminal control |
| Serial communication control (Modbus) |
| 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 combinated & switched in various modes. |
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| Torque boost | Automatically torque boost; manually torque boost: 0.1%~30.0 |
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| V/f curve | Three types: linear, multiple point and square type (1.2 power, 1.4 power, 1.6 power, 1.8 power, square) |
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| Acceleration/deceleration mode | Straight line/S curve; four kinds of acceleration/deceleration |
| time, range: 0.0s~65000s |
| Simple PLC & multi-step speed operation | It can realize a maximum of 16 multi-step speeds running via the built-in PLC or control terminal. |
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| Built-in PID | Built-in PID control to easily realize the close loop control of the process parameters (such as pressure, temperature, flow, etc.) |
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| Automatic voltage regulation | Keep output voltage constant automatically when input voltage fluctuating |
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| Control Function | Over-voltage & over-current stall control | Limit current & voltage automatically during the running process, prevent frequent over-current & over-voltage tripping |
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| Wobble frequency control | Multiple triangular-wave frequency control, special for textile |
| Timing/length/counting control | Timing/length/counting control function |
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| Fault protection function | Comprehensive protections include over-current, over-voltage, under-voltage, overheating, default phase, overload, shortcut, etc., can record the detailed running data while failures happen. |
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| Input/output terminals | Input terminals | Programmable digital input: 7 multifunctional inputs, one can be work as high speed pulse input.3 programmable analog input:AI1, AI2, AI3: 0~10V / 4~20mA |
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| Output terminals | 2 relay outputs, |
| 2 open collector outputs, |
| 2 anaalog outputs, 0~10V / 4~20mA |
| Communication terminals | Build-in standard RS485 communication interface, support MODBUS-RTU communication protocol |
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| Environment | Ambient temperature | -10~50°C, without direct sunshine. |
| Humidity | 90%RH or less (non-condensing) |
| Altitude | ≤1000M: output rated power, >1000M: output derated |
| Storage temperature | -20~60°C |
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| | | |
| No | Items | KD330 |
| 1 | Reliable hardware | Only first-class componens are built-in. |
| 2 | Rubust design | IGBT current > 2 times of inverter output current |
| Capacitor > 50uF/A |
| 3 | Electrostatic testing | 1. Noncontact conditions -- without failure under 10000V. |
| 2. Under contact condition -- without failure under 5000V. |
| 4 | High overload capacity | 150% / 120s, 160% / 60s, 180% / 10s, 200% /1s |
| Smart start / stop mode | Acceleration / Deceleration time can be set as 0.0s, the inverter starts and stops the motor as fast as possible without failure. |
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| 5 | Loading test | Two times, 100% tested: |
| 1. After manufacturing. |
| 2. After aging test. |
| 6 | Big start torque | 0.5Hz/150% (V/f), 1Hz/150% (SVC) |
| 7 | LED display | >7,5kW, two lines parameters dispaly, convenient for commissioning and operating. |
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