Item |
Technical Index |
Specification |
Input |
Input voltage |
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 |
Torque control |
Sensorless vector control |
Operation command mode |
Terminal control |
Keypad 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. |
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 |
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 acceleration/deceleration time: 0.1s~3600.0s Jog operation frequency: 0.0Hz~maximum frequency |
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 |
Over-voltage & over-current stall control |
Limit current & voltage automatically during the running process, prevent frequent over-current & over-voltage tripping |
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. |
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 |
Communication terminals |
Build-in standard RS485 communication interface, support MODBUS-RTU communication protocol |
Output terminals |
2 relay outputs, |
2 open collector outputs, |
2 anaalog outputs, 0~10V / 4~20mA |
Human machine interface |
LED display |
Display frequency setting, output frequency, output voltage,output current, etc. Two lines display |
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 |
PCB aging test |
100% test, 50°C, 12 hours. |
4 |
Finished products aging test |
100% test, 50°C, 24 hours. |
5 |
Loading test |
Two times, 100% tested: |
1. After manufacturing. |
2. After aging test. |
6 |
Grouped pulse testing |
Without failure under 4500V (better EMC performance). |
7 |
Electrostatic testing |
1. Noncontact conditions -- without failure under 10000V. |
2. Under contact condition -- without failure under 5000V. |
8 |
High overload capacity |
150% / 120s, 160% / 60s, 180% / 10s, 200% /1s |
9 |
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. |
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. |
12 |
EMC filter |
C3 level EMC filter build-in standardly |