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Help CenterEMHEATER Frequency Inverter Vfd 3 Phase 380V 1.5KW for Pump & Fan
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Specifications
1: Built-in RS485 communication port2: All model are integrated IGBT
EM8 Series V/F Control Inverter
Advantage Feature:
1: Wide Voltage Range: 320 ~ 480V
2: Input Frequency Range: 45 ~ 65Hz
3: Output Voltage Range: 0 ~ rated input voltage
4: Output Frequency Range: 0 ~ 500Hz
5: Overload Capacity: 60s with 150% of rated current, 2s with 180% of rated current
6: From 0.75 ~ 7.5KW Plastic house; 11 ~ 630KW is metal house
7: Control Mode: High Quality V/F Control
8: Speed Accuracy: V/F + 0.5% of maximum speed
9: 20 channels for frequency setting
10: Analog signal :0 ~ 10V,-10V ~ 10V,0 ~ 20mA.
11: Pulse setting input: 0~50Khz.
12: Built-in RS485 communication port
13: All model are integrated IGBT
14: The malfunction ratio is 0.8% within 18 months warranty.
Model Introduction:
Specification:
Items |
Specification |
||
Input |
Rated voltage and frequency |
Single phase 220V/Three phase380V + 15%, 47~ 63 Hz |
|
Voltage allowable deviation range |
200V~240V, 320V~460V |
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Output |
Voltage |
0~220V ,0~380V,0~460V,0~690V |
|
Frequency |
0Hz ~ 500Hz |
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Over-load capability |
G3 Series: 150% rated current for 1 minute 180% rated current for 2 seconds P3 Series: 120% rated current for 1 minute 150% rated current for 2 seconds |
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|
Control character |
Control mode |
V/F Control |
|
Freq. Setting resolution |
Analog terminal input |
0.1% of max output frequency |
|
Digital setting |
0.01Hz |
||
Panel analog setting |
0.4 % of max frequency |
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External pulse |
0.1% of max frequency |
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Freq. accuracy |
Analog Input |
Within 0.2% of max. output frequency |
|
Digital Input |
Within 0.01% of setting output frequency |
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External pulse |
Within 0.1% of max. output frequency |
||
|
V/F Curve (Voltage-Frequency character) |
Base frequency can be set from 5~500Hz arbitrarily, and there are three kinds of curve: constant torque ,Dec torque 1 and Dec torque 2. |
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Torque Boost |
Manual Setting: 0~20% of rated output, Auto-boost: Automatically boost torque according to output current. |
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Auto Energy-saving running |
Adjust output voltage and slip compensation properly according to output current, which will make the motor working in highest efficiency. |
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|
Control character |
Acc./Dec. time setting |
0.1~6000 seconds can be set continuously, and S type and line type can be selected. |
|
Braking |
Dynamic braking |
Over 75% (External braking resistor) |
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DC braking |
It is selected respectively at start and stop, and its frequency is 0~15Hz, the action voltage is 0~15%, and the action time is 0~20.0 second or act continuously. |
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Auto current-limiting function |
Fast auto current-limiting function ensures not to occur the over-current during the accelerate process or under the impact load. |
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Overvoltage prevention |
Ensure not over-voltage in Dec process. |
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Low noise running |
Carrier freq. can be adjusted continuously form 1.5KHz to 15.0KHz, which can reduce the motor’s noise furthest. |
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Speed tracking restart |
It can realize the smoothness restart and instantaneous stop then restart function. |
||
|
Freq. setting signal |
Analog input |
DC voltage 0~10V,-10V~10V, DC current 0~20mA ( Upper limit and Lower limit can be selected ). |
|
Digital setting |
By the running panel |
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Pulse input |
0~10kHz (Upper limit and Lower limit can be selected) |
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Startup signal |
FWD, REV, startup signal can be selected and self-keep (Three line control). |
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Timer and Counter |
Embedded one timer and one counter ,which will help the system’s integration. |
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|
Multi-speed control function / Wobble frequency |
Seven steps programmable multi-speed control at most, every step’s running direction, running time can be set respectively. In external terminal control, It reaches 15 steps, and there are 6 kind of running modes. Include wobble frequency. |
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|
Built-in PID control |
Common PID |
Expediently compose the simple control system without accessional PID controller. |
|
|
Special for water supply (Need accessories) |
Make it possible to construct the constant-pressure water-supply system of 4 pumps switch at most, which includes the following functions: pressure upper or Lower limit alarm, Sleep or wake, Timing water-supply etc. multi kind running mode. |
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Running function |
Setting the upper and lower limit of frequency, frequency jump-running, reversal running limit, slip frequency compensation, auto constant-voltage running, RS485 communication frequency increment and decrement control, fault self-restore running, multi inverter coupled running. |
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Output signal |
Running status (OC Output) |
During the running of inverter, frequency arrival, frequency level detection, over-load alarm, and external fault stop-machine. Frequency upper-limit arrival, Frequency lower-limit arrival, under-voltage stop, zero-speed running, programmable multi-speed running state, Internal counter arrival, Internal timer arrival, Pressure lower-upper limit alarm. |
|
Output signal |
Indicating meter |
Output Freq., output current, output voltage, motor speed, PID setting and feedback, external voltmeter, external cymometer. |
|
Display |
Running panel display |
Running status |
Output Freq., output current, output voltage, motor rotate speed, setting frequency, PID setting, PID feedback, model temperature, accumulative running time, analog I/O, terminal Input status. |
Alarm content |
Last six fault records, output frequency, setting frequency, output current, output voltage, DC voltage, model temperature, terminal status, accumulative running time of Last fault trip. |
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Protective / Alarm function |
Over-current, over-voltage, under voltage, electronic thermal protection, over-heat, short-circuit. |
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|
Operating Environment |
Temperature |
-10ºC to +50ºC |
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Humidity |
Below 90%RH(non-dewing) |
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Ambient environment |
Indoors (no inflammable gasses or dust) |
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Altitude |
Under 1000m |
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Structure |
Protective class |
IP20 |
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Cooling method |
Fans cooling |
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Mounting model |
Wall mounting |
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Factory to shoot:
Application:
Product series EM8 - G1 / G3
Power range: 0.75 KW ~ 630 KW
Areas of application: electronics, textile, light industry, building materials, food, machinery, printing and dyeing, petrochemical, paper, logistics transportation, Wire drawing machine, winding machine, blow molding, chemical fiber, tobacco, grinder, mixer, extruding machine, injection molding machine, chemical industry, etc.
Product series: EM8 - P3
Power range: 1.5 KW ~ 630 KW
Areas of application: water conservancy, electric power, municipal, chemical, mining, boiler fan, central air conditioning, sewage disposal blast Machine, iron and steel industry, mine water pump + fan exhaust system, cement industry, constant pressure water supply, etc
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