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KE300 Sensorless Vector Control Inverter


Input  Input voltage 1AC 220V±15%,3AC 220V±15%,3AC 380V±15%,3AC 660V±15%
Input frequency 47~63Hz
Output Output voltage 0~Rated voltage
Output frequency  V/f:0~3000Hz, SVC:0~300Hz



     I/O terminals

Input terminals Programmable DI: 7 on-off inputs, 
1 high-speed pulse input 
2 programmable AI: 
    AI1: voltage -10~10V
    A12: voltage 0~10V or current 0/4~20mA
Output terminals 1 programmable open collector output: 1 analog output (open collector output or high-speed pulse output)
2 relay outputs
2 analog output: 0/4~20mA or 0~10V
Communication terminal*2 Offer RS485 communication interface, support MODBUS-RTU communication protocol 


     Control Feature


Control mode V/f , SVC, VC, Torque control
Operation command mode Keypad control, Terminal control, Serial communication control
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 G model: 150% 60s, 180% 10s, 200% 3s
P model: 120% 60s, 150% 10s, 180% 3s 
Starting torque 0.5Hz/150% (SVC),1Hz/150% (V/f)

Speed adjustment range 1:100 (SVC), 1:50(V/f)
Speed control precision  ±0.5% (SVC)
Carrier frequency 1.0--16.0kHz, automatically adjusted according to temperature and load characteristics
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: straight line, multiple point and square type (1.2 power, 1.4 power, 1.6 power, 1.8 power, square)
ACC/DEC mode Linear/S curve; four kinds of ACC/DEC time, range 0.1s~3600.0s
DC braking  DC braking when starting and stopping
DC braking frequency: 0.0Hz~maximum frequency, braking time: 0.0s~36.0s; Braking current: 0.0%~100.0%
Jog operation  Jog operation frequency: 0.0Hz~maximum frequency
Jog ACC/DEC time: 0.1s~3600.0s
Simple PLC & multi-step
speed operation

 Max. 16 steps speed running via built-in PLC or control terminal.
Built-in dual 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

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