| Item | Technical Index | Specification |
| 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 |
| | 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 |
| 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: 0.0s~65000s |
| Braking unit | build-in standard. |
| DC braking | DC braking when starting and stopping |
| DC braking frequency: 0.0Hz~maximum frequency |
| Braking time: 0.0s~25.0s |
| Jog operation | Jog operation frequency: 0.0Hz~maximum frequency |
| Jog acceleration/deceleration time: 0.1s~3600.0s |
| Control mode | V/f control |
| Sensorless vector control |
| Torque control |
| 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. |
| 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. |
| 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 | Torque control | Torque control without PG |
| Wobble frequency control | Multiple triangular-wave frequency control, special for textile |
| Timing/length/counting control | Timing/length/counting control function |
| 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. |
| Over-voltage & over-current stall control | Limit current & voltage automatically during the running process, prevent frequent over-current & over-voltage tripping |
| 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 |
| 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 |
| 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 |
| | | |
| 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 | PCB aging test | 100% test, 50°C, 12 hours. |
| 4 | Finished products aging test | 100% test, 50°C, 24 hours. |
| 5 | Electrostatic testing | 1. Noncontact conditions -- without failure under 10000V. |
| 2. Under contact condition -- without failure under 5000V. |
| Loading test | Two times, 100% tested: |
| 6 | 1. After manufacturing. |
| 2. After aging test. |
| 7 | Grouped pulse testing | Without failure under 4500V (better EMC performance). |
| 8 | 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. |
| 9 | EMC filter | C3 level EMC filter build-in standardly |
| 10 | Big start torque | 0.5Hz/150% (V/f), 1Hz/150% (SVC) |
| 11 | LED display | >7,5kW, two lines parameters dispaly, convenient for commissioning and operating. |
