Frequency Inverter Single-phase 220V class 5.5KW

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CNBM  frequency  inverter is a high-quality, multi-function,

low-noise variable frequency drive which is designed, developed and manufactured according to international standards.

It can meet different needs of industrial conditions.

The inverter applies advanced control technology of space voltage vector PWM, with functions of constant voltage control, power-off restart, dead zone compensation, automatic torque compensation, online modification parameter, high-speed impulse input, simple PLC and traverse.





Textile: coarse spinner, spinning frame, wrap-knitting machine, loom, knitting machine, silk-spinning machine, etc.


Plastic: extruder, hauling machine, decorating machine, etc.


Pharmacy: mixer, roaster, etc.


Woodworking: engraving machine, sander, veneer peeling lathe, etc.


Papermaking: single type papermaking machine, etc.


Machine tool: non-core grinding machine, optical lens grinding machine, cutting mill, etc.


Printing: cloth-washing machine, dye vat, etc.


Cement: feeder, air blower, rotary furnace, mixer, crusher, etc


Fan and pump: kinds of fans, blowers and pumps







Input voltage


Input frequency



Output voltage

0~input voltage

Output frequency


Peripheral interface characteristics

Programmable digital input

4 switch input, 1 high-speed impulse input

Programmable analog input

AI1: 0~10V input

AI2: 0~10V input or 0~20mA input,

Programmable open collector


2 Output

(3.7kW and above: 1 Open collector output)

Relay Output

1 Output (3.7kW and above: 2 Relay output)

Analog output

2 Output, one is 0~10V,

another is 0~20mA or 0~10V


Display:5-digit 8-section LED (Red), 2 indicators; parameter setting: 8 keys (including multi-function hot key ), 1 potentiometer

Technical performance characteristics

Control mode

All digital space voltage vector SVPWM algorism

Overload capacity

G purpose: 150% rated current 60s

P purpose: 120% rated current 60s

Speed ratio

1: 100

Carrier frequency


Torque compensation

Linear, multi-point, 1.3th power, 1.7th  power, 2.0th power reduced torque; Compensation voltage range: automatic compensation and manual compensation 0.1~10%

Automatic voltage adjustment

It can automatically maintain output voltage constant when grid voltage fluctuates.

Automatic current adjustment

When the current is over current limit, under clocking automatically limits output current.

Function characteristics

Frequency setting mode

Keypad digital analog input, keypad potentiometer, impulse frequency, communication, multi-step speed and simple PLC, PID setting and so on, switch-over of setting modes.

Simple PLC,

multi-step speed control

16-step speed control

Special function

Traverse control, length control, time control


User-defined multi-function hot key

Protection function

Over-current, Over voltage, under-voltage, over-heat, phase failure, over-load and motor over-load

Working condition

Installation site

Indoor, altitude of less than 1km, dust free, non-corrosive gases, no direct sunlight

Application environment

-10°C~+40°C, 20~90%RH (no dew)


Less than 0.5g

Storage temperature


Installation type

Wall-mounted type, floor cabinet type

Cooling mode

Air-forced cooling



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Q:The frequency converter is in use suddenly the speed reduces, then the debugging is out of control, how to do?
The average DC voltage Ud=1.35U line =513V is calculated by the 380V line voltage. When the overvoltage occurs, the energy storage capacitor on the DC bus will be charged, and when the voltage rises to about 700V, due to different models, the converter will protect the voltage. There are two main causes of over voltage: over voltage and over voltage.
Q:What does Ro1c mean on a converter?
Inverter by internal IGBT drive voltage and frequency off to adjust the output power, the power supply voltage required to provide according to the actual needs of the motor, so as to achieve the purpose of speed, energy saving, in addition, there are a lot of protection drive, such as over-current, over-voltage, overload protection and so on. With the continuous improvement of the degree of industrial automation, inverter has also been widely used.
Q:What is the function of a frequency converter on an electric motor?
1, when starting, can reduce the starting current (relative to no inverter directly start the motor),2, long-term operation is more energy saving than frequency converter,3 、 stepless speed regulation can be carried out, vector control, V/F control, etc.4, the use of frequency converter communication function, the upper functions of real-time monitoring motor operation (such as current, speed, etc.)5, other.
Q:How does MM430 frequency converter always report F003 fault?
Ha ha, we have a problem, always complicate the problem, always used to find problems from the frequency converter, but did not think the problem is in the most basic place......
Q:What is the working principle of a three phase AC asynchronous motor inverter?
Distance determination of frequency converter and motor, cable and wiring method;The distance between the I. converter and the motor should be as short as possible. This reduces the capacitance of the cable to the ground and reduces the interference of the transmitter.II. control cables use shielded cables, power cables use shielded cables, or from frequency converters to motors, all shielded by threading tubes.The III. motor cable shall be independent of other cables, with a minimum distance of 500mm. At the same time, it is necessary to avoid the long distance parallel wire between the motor cable and other cables, so as to reduce the electromagnetic interference caused by the rapid change of the output voltage of the inverter. If the control cable and the power cable cross, as far as possible so that they cross at 90 degrees angle. The analog signal line associated with the inverter is separated from the main return line, even in the control cabinet.IV. and inverter related analog signal line is best to use shielded twisted pair, power cable shielded shielded three core cable (its specifications than ordinary motor cable large files) or comply with the frequency converter user manual.
Q:What is the difference between a frequency converter and a saver?
The input and output filter and the DC reactor in the economizer can prevent the harmonic produced by the converter and cause the pollution of the power grid and the surrounding electricity environment.3 、 no disturbance power supply / electricity saving conversion system is beneficial to ensure that the customer load can be put into use quickly when the machine fails, and the normal production of the customer will not be affected. At the same time, the protection function of the economizer is perfect, and it has the protection function of over voltage, under voltage, over current, over temperature and surge resistance.4, reactive power compensation, improve the power factor of the system, reduce reactive power loss.
Q:I would like to ask vector control of the frequency converter, how the motor does not turn. What parameters are set up
No PG vector control (motor with encoder), set the motor parameters self-learning, rated voltage, rated current, fundamental frequency (50, 33.3, 20 HZ motor should pay attention to what kind of), pole number, frequency speed, rated power, the maximum output frequency, etc., set the end after the rotation form self-learning (motor without load), or stop shape self-learning. Even the self-learning control model parameter to the external terminal control, analog voltage is changed to external control, can be CNC, PLC or PC to control its operation.
Q:What is the frequency converter AVR?
Automatic adjustment function: AVR voltage inverter based on voltage feedback, automatically adjust the output voltage, which is not affected by the grid voltage and load change, to protect the motor from excessive voltage caused by long-term insulation damage or high magnetic density caused by excessive heating core.
Q:How to solve the interference problem of frequency converter?
In the complex electromagnetic environment, AnyWay advocates the idea of digital front end, that is, in the vicinity of being measured, the signal will be digitized, and then the uploaded information will be uploaded to the host computer through digital communication. Digital transmission is much better than analog transmission in anti-interference ability. If the electromagnetic interference is very large, the transmission line can be changed into optical fiber transmission. In this way, the transmission link can completely avoid interference.
Q:How to maintain the frequency converter will not damage, or regular maintenance?
The use of the environment on the frequency conversion is very large, the general installation environment requirements: minimum environmental temperature -5 degrees, the highest ambient temperature 40 degrees. The failure rate of the frequency converter rises with the increase of temperature, and the service life decreases with the increase of the temperature. The temperature of the environment rises by 10 degrees, and the service life of the inverter will be halved. In addition, the operation of the inverter is good, and the degree of environmental cleanliness also has a lot to do. Equipment failures can only be reduced through good maintenance work.When the frequency converter is broken, it is better not to give no maintenance experience to repair! Otherwise, it may get worse and worse

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