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
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
3AC 220V±15%, 3AC 380V±15%, 3AC 660V±15%
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 combined & switched in various modes.
150% 60s, 180% 10s, 200% 3s.
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)）
0.5--16.0kHz, automatically adjusted according to temperature and load characteristics
Digital setting: 0.01Hz
Analog setting: maximum frequency ×0.05%
Automatically torque boost; manually torque boost 0.1%~30.0%
Three types: straight line, multiple points and square type (1.2 power, 1.4 power, 1.6 power, 1.8 power, square)
Linear/S curve; four kinds of ACC/DEC time, range 0.1s~3600.0s
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 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.
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
Common DC bus
Common DC bus for several inverters, energy balanced automatically
Torque control with/without PG
“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 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
Two groups of motor parameters to achieve two motors switching
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
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
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
Offer RS485 communication interface, support MODBUS-RTU communication protocol
Display frequency setting, output frequency, output voltage, output current, etc.
QUICK/JOG key, can be used as multifunction key
-10℃～40℃, derated 4% when the temperature rise by each1℃ (40℃～50 ℃).
90%RH or less (non-condensing)
≤1000M: output rated power, ＞1000M: output derated
Indoor, without direct sunlight, dust, corrosive gas, combustible gas, oil smoke, vapor, drip, salt, vibration, etc.
Selection Table of KE600A Series Closed Loop Vector Control VFD
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Shenzhen MICNO Electric Co., Ltd. masters the leading synchronization, a synchronization current vector control technology, torque control technology and solar pump VFD technology with more than 10 years of experience.
- Shenzhen MICNO Electric Co., Ltd.
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