KE600A Series Closed Loop Vector Control VFD

Shenzhen MICNO Electric Co, Ltd. has been a public company of NEEQ in China with stock code 839477, which specializes in R&D, manufacture, sale and service of AC drive/VFD/VSD, Solar pumping inverter and other industrial automation products.

KE600A series is a closed loop vector control VFD developed on the basic of KE300, with more powerful functions, fit for more complex applications. 

Integrated with close loop vector control, sensorless vector control, V/f control, torque control and soft start functions, KE600 closed loop vector control VFD has been widely applied in applications which require high speed control accuracy, rapid torque response and high performance at low frequency, such as crane, lift, printing & packaging, winding, etc.

Features of KE600A Series Closed Loop VFD

Comprehensive parameter identification

With comprehensive parameter identification, simultaneously compatible with dynamic and static identifications for both synchronous motors and

asynchronous motors.

Multi-motor switching

Built-in multiple motor parameters, supporting multi-motor switching.

Modular design, compatible with various expansion cards

KE600A has superior expansion capability. Users can choose PG card, I/O expansion card, MODBUS communication card, injection molding

card, pulse expansion card, according to their actual needs.

Fast dynamic response

Sensorless vector control, dynamic response time<20ms;

Close-loop vector control, dynamic response time<5ms.

High-precision torque control

When close-loop vector control, the torque control accuracy achieving ±5%, easily responding to tension winding control.

High start torque, and super low-frequency load-carrying capability

0.5Hz, 150% start torque (sensorless vector control asynchronous motors)0Hz, 200% startup torque (close-loop vector control asynchronous motors)

Non-stop when instantaneous power off

With the capability of non-stop when instantaneous power off, ensuring the system continuously operate without tripping in case of instantaneous power off.

AVR automatic voltage regulation

When the input voltage is fluctuant, the inverter can automatically keep the constant output voltage.

Excellent close-loop vector control for synchronous motors

With excellent close-loop vector control for synchronous motors, capable of high torque output at zero speed, the speed ratio up to 1:1000.

Technical Specifications of KE600A Series Closed Loop Vector Control VFD

Input Input voltage 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, VC：0~300Hz
Control Control mode V/f , SVC, VC, Torque control
Feature 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 combined & switched in various modes.
Overload capacity 150% 60s, 180% 10s, 200% 3s.
Starting torque 0Hz/180% (VC); 0.5Hz/150% (SVC)
Speed adjustment range 1:1000 (VC); 1:100 (SVC)
Speed control precision ±0.5% (SVC); ±0.02% (VC)）
Carrier frequency 0.5--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 points 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 Max. 16 steps speed running via built-in PLC or control terminal.
speed operation
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
Control Common DC bus Common DC bus for several inverters, energy balanced automatically
Function Torque control Torque control with/without PG
Torque limit “Rooter” feature, limit the torque automatically and prevent frequent over-current tripping when running
Wobble frequency control Multiple triangular-wave frequency control, special for spinning
Timing/length/counting control Timing/length/counting control function
Over-voltage & overcurrent stall control Limit current & voltage automatically when running, prevent frequent over-current & over-voltage tripping
Speed tracking restart Start the running motor smoothly without impact, protect the safety of motor and load at the most
Fault  protection function Up to 30 fault protection including over-current, over-voltage, under-voltage, overheating, default phase, overload, shortcut, etc., can record the detailed running status during failure & has fault automatic reset function
Special Motor switching Two groups of motor parameters to achieve two motors switching
Functions Spare part Braking parts, IO extension card, differential input PG card, open collector input PG card, injection molding machine card, communication card, etc.
Powerful host software Support KE600 parameter setting and real-time parameter monitor
Terminals Input terminals Programmable DI: 7 on-off inputs, 1 high-speed pulse input, can extend 3 inputs*1
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), can extend 1 output*1
1 relay output, can extend 1 output*1
2 analog output: 0/4~20mA or 0~10V
Communication terminal*2 Offer RS485 communication interface, support MODBUS-RTU communication protocol
Human LED display Display frequency setting, output frequency, output voltage, output current, etc.
&Machine
interface Multifunction key QUICK/JOG key, can be used as multifunction key
Environment Ambient temperature -10℃～40℃, derated 4% when the temperature rise by each1℃ (40℃～50 ℃).
Limit Humidity 90%RH or less (non-condensing)
Altitude ≤1000M: output rated power, ＞1000M: output derated
Storage temperature -20℃～60℃
Storage atmosphere Indoor, without direct sunlight, dust, corrosive gas, combustible gas, oil smoke, vapor, drip, salt, vibration, etc.