EMHEATER vsd/ vfd /frequency inverter/ motor drive inverter 2hp 1.5KW 7.5A 220V EM8-G1-1d5
EM8 Series V/F Control Inverter
Advantage Feature:
1: Wide Voltage Range: 200~240V
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 card, and approved by CE.
13: All model are integrated IGBT.
14: The malfunction ratio is 0.8% within 18 months warranty.
Basic Connection Diagram
Specification:
Items
Specification
Input
Rated voltage and frequency
Single Phase 220V,50/60Hz
Voltage allowable deviation range
200~240V
Output
Voltage
200~240V
Frequency
0Hz ~ 500Hz
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
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
External pulse
0.1% of max frequency
Freq. accuracy
Analog Input
Within 0.2% of max. output frequency
Digital Input
Within 0.01% of setting output frequency
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.
Torque Boost
Manual Setting: 0~20% of rated output, Auto-boost: Automatically boost torque according to output current.
Auto Energy-saving running
Adjust output voltage and slip compensation properly according to output current, which will make the motor working in highest efficiency.
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)
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.
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.
Overvoltage prevention
Ensure not over-voltage in Dec process.
Low noise running
Carrier freq. can be adjusted continuously form 1.5KHz to 15.0KHz, which can reduce the motor’s noise furthest.
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
Pulse input
0~10kHz (Upper limit and Lower limit can be selected)
Startup signal
FWD, REV, startup signal can be selected and self-keep (Three line control).
Timer and Counter
Embedded one timer and one counter ,which will help the system’s integration.
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.
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.
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.
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.
Protective/Alarm function
Over-current, over-voltage, under voltage, electronic thermal protection, over-heat, short-circuit.
Operating
Environment
Temperature
-10ºC to +50ºC
Humidity
Below 90%RH(non-dewing)
Ambient environment
Indoors (no inflammable gasses or dust)
Altitude
Under 1000m
Structure
Protective class
IP20
Cooling method
Fans cooling
Mounting model
Wall mounting
Application:
1.Knitting machine 22.Polisher
2.Stirring machine 23.Laundry-drier
3.Extruding machine 24.Drying machine
4.Injection machine 25.Ball grinding mill
5.Pressure fan 26.Drawing machine
6.Forced draught blower 27.Cut-off machine
7.Blower 28.Grinder
8.Blowing machine 29.Glazing machine
9.Blow molding machine 30.Cutterbar
10.Root’s blower 31.Spinning machine
11.Film blowing machine 32.Special power supply
12.Air conditioning 33.Papermaking machines
13.Crusher 34.Laundry equipment
14.Compressor 35.Musical fountain
15.Rolling mill 36.Fan
16.Winding engine 37.Cigarette making machine
17.Roll table 38.Vibration damping and noise reducing load
18.Pump 39.Dyeing machine
19.Crane,Tilting cart 40.Injection molding machine
20.Transfer cart 41.Feeder machine
21.Feeder machine 42.Stacker reclaimer
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