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KE600A Series Close Loop Vector Control Inverter

KE600A series is developed on the basic of KE300, with more powerful functions, fit for more complex applications.

Integrated with closed loop vector control vfd, sensorless vector control, V/f control, torque control and soft start functions, KE600 has been widely applied in the 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 Close Loop Vector Control Inverter

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

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 Close Loop Vector Control Inverter

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

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

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.





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