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HNC injection machine specialized asynchronous servo system

Categories Specialized AC drive for plastic injection machine
Place of Origin: China
Brand Name: HNC
Certification: 3C CE
MOQ: 1 pc
Packaging Details: Standard exporting packing
Delivery Time: 1-2 weeks
Payment Terms: T/T, L/C,
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HNC injection machine specialized asynchronous servo system


HV516 asynchronous integrated servo system was developed by HNC Automation especially for injection molding machine, saving energy up to 65% based on the perfect feature and complete function. HNC Automation provides complete solution and technical support. Easy to use, perfectly match the requirement of injection molding machines.

The advanced features of HV516 Asynchronous Servo drive

1. Automatically detect working status signals from the injection molding machine control system, and analyze and calculate these information. Automatic control servo drive output frequency to adjust the pump speed ,according to the injection molding machine operating status and work pressure and work flow requirements.

2. With Asynchronous motor open-loop injection molding machine servo control mode

3. With synchronous motor close-loop injection molding machine servo control mode.

4. Easy to install and test, flexible, convenient to user.

5. Retain the original industry frequency start as backup

The Advantages of HV516 solution for Injection molding machine

1. Energy saved 20% -65%

2. Both servo control and industry frequency control circuit.

3. Effective EMI measures to protect from power-down.

4. Motor soft starts, reducing the impact on the mechanics

5. Temperature and noise reduction, improve the working environment, saving maintenance costs

6. Oil temperature is not easy to rise, water saves up to 60%, hydraulic oil has longer life.

7. Excellent speed-up ability, the starting torque is 180% at 0.5HZ, could reach rated speed in 0.1 second.

8. Motor torquer output keeps stable within the pressure and flow range pre-set, which ensure the moldings quality.

Perfect features of HV516

v Superior performance of torque & speed control

Ø Speed control accuracy is ±1rpm at 100% torque .Sensor-less vector control, the torque response <20ms. Sensor vector control, the torque response <5ms.

Ø Deceleration to stop, superior performance, fast and accurate stop of 0.1 seconds.

Ø For precision grinding machines, synchronous operation, the calibrating oil pumps and other loads.

v High starting torque characteristics

Ø HV516, at 0.5Hz providing 150% starting torque(sensor-less vector control). At 0Hz it can provide 180% of the zero speed torque (sensor vector control)

v The world's leading speed sensor-less vector control algorithm

Ø Speed sensor-less vector control, you can stall the movement,150% rated torque at 0Hz output.

Ø The parameters of our own patented technology to real change can be accurate rotation or stationary motor parameters self-learning.

Ø Debugging, easy to operate, provide a higher level of control accuracy and response speed.

Ø Apply to winding control, multi-motor drag load distribution under the same load, and other occasions

v Protect mechanical torque limit

Ø HV510 inverter supplies torque limit, when torque is more than mechanically able to withstand, the maximum torque, the inverter can limit it less than the maximum torque set to play a maximum mechanical efficiency, better to protect equipment safety.

Ø The reliable limit of torque (torque limit value of 150%).

Ø Apply to cranes, extruders and other loads.

HV510 asynchronous injection molding machine retrofit solution advantage:

Ø Energy saved 20% -65%

Ø Both servo control and industry frequency control circuit.

Ø Effective EMI measures to protect from power-down.

Ø Motor soft starts, reducing the impact on the mechanics

Ø Temperature and noise reduction, improve the working environment, saving maintenance costs

Ø Oil temperature is not easy to rise, water saves up to 60%, hydraulic oil has longer life.

Ø Excellent speed-up ability, the starting torque is 180% at 0.5HZ, could reach rated speed in 0.1 second.

Ø Motor torquer output keeps stable within the pressure and flow range pre-set, which ensure the moldings quality.


Plastic injection molding machine




Basic function

Control system

High performance of current vector control technology to realize asynchronous motor and synchronous motor control

Drive performance

High efficiency driving for induction motor and synchronous motor

Maximum frequency

Vector control:0~300Hz V/Fcontrol:0~3200Hz

Carrier frequency

0.5k~16kHz; the carrier frequency will be automatically adjusted according to the load characteristics

Input frequency resolution

Digital setting: 0.01Hz

Analog setting: maximum frequency ×0.025%

Control mode

Open loop vector control(SVC)

Closed loop vector control(FVC)

V/F control

Startup torque

Type G:0.5Hz/150%(SVC);0Hz/180%(FVC) Type P:0.5Hz/100%

Speed range



Speed stabilizing precision



Torque control precision


Over load capability

G type: rated current 150% -1 minute, rated current 180% -3 seconds;

P: rated current 120% -1 minute, rated current 150% -3 seconds

Torque boost

Auto torque boost function;Manual torque boost 0.1%~30.0%

V/F curve

Linear V/F, Multi-point V/F and Square V/F curve (power of 1.2, 1.4, 1.6, 1.8, 2)

V/F separation

In 2 ways:separation ,semi seperation

Acc. /dec curve

Straight line or S curve acceleration and deceleration mode.

Four kinds of acceleration and deceleration time. Acceleration and deceleration time range between 0.0s to 3000.0min

DC brake

DC brake frequency: 0.00Hz to maximum frequency, brake time: 0.0s to 36.0s, and brake current value: 0.0% to 100.0%.

Jog control

Jog frequency range: 0.00Hz~50.00Hz. Jog acceleration/deceleration time 0.0s~6500.0s.

Simple PLC and MS speed running

It can realize at maximum of 16 segments speed running via the built-in PLC or control terminal.

Built-in PID

It is easy to realize process-controlled close loop control system

Auto voltage regulation (AVR)

It can keep constant output voltage automatically in case of change of network voltage.

Over-voltage/current stall control

It can limit the running voltage/current automatically and prevent frequent over-voltage/current tripping during the running process

Quick current limit

Minimize the over-current fault, protect normal operation of the inverter

Torque limit & control

"Excavators" characteristics, automatically limit torque during operation , prevent frequent over-current trip;

Closed loop vector mode can realize the torque control.


Instantaneous stop


When instantaneous power off, voltage reduction is compensated through load feedback energy, which could make inverter keep running in a short period of time.

Rapid current limit

To avoid inverter frequent over-current fault.

Virtual IO

5 groups of virtual DI, DO to realize simple logic control

Timing control

Timing control function:set time range 0Min~6500.0Min

Multiple motor switch

4 groups of motor parameter,which can realize 4-motor switch control

Multi-threaded bus support

Support 4 kinds of field bus:RS485, Profibus-DP, CANlink, CANopen

Motor overheat protection

Select optional DN5PC1 analog input AI3x can accept the motor temperature sensor input(PT100,PT1000)

Multi-encoder support

Support difference, open collector, UVW, rotary transformer, sine cosine encoder etc.

Programmable PLC

Select optional user programmable card, which can realize secondary development, programming mode compatible with HNC PLC.

Excellent backend software

Support inverter parameter operation and virtual oscilloscope function.Inverter internal state graphic monitor can be realized through virtual oscilloscope.


Running command channel

Three types of channels: operation panel reference, control terminal reference and serial communication port reference. These channels can be switched in various modes.

Frequency source

There are totally eleven types of frequency sources, such as digital reference, analog voltage reference , analog current reference, pulse reference , MS speed, PLC, PID and serial port reference.

Auxiliary frequency source

11 kinds of auxiliary frequency source which can flexible achieve auxiliary frequency tuning, frequency synthesis

Input terminal


There are 6 digital input terminals, DI5 can be used as 100kHz high-speed input pulse.

3 analog input terminals which can be used as 0-10V voltage input or 0~20mA current input.

Extended function:

4 digital input terminals, support-10~10V voltage input & PT100 PT1000.

Output terminal


2 digital output terminals, FM is high-speed pulse output terminal (can be choosen as open circuit collector type), support 0~10kHz square wave signal;

1 relay output terminal;

2 analog output terminals, support 0~20mA output current or 0~10V output voltage;

1 digital output terminal;

1 relay output terminal ;

1 analog output terminal, support 0~20mA output current or 0~10V output voltage.

Keyboard operation

LED display

Realize parameter setting, status monitoring function

OLED display

Optional device, which can offer Chinese / English operating content

Keyboard potentiometer

Equipped with keyboard potentiometer or coding potentiometer

Parameter copy

Realize parameter rapid copy through OLED operation panel

Key lock&function selection

Realize button locking, define operation range for part of buttons to prevent operation fault.

Protection function

It can implement power-on motor short-circuit detection, input / output phase loss protection, over current protection, over voltage protection, under voltage protection, overheating protection and overload protection.

Optional parts

Liquid crystal display operation panel, brake component, multi-function extended card (1.IO extended card 2.user programmable card), RS485 communication card, Profibus-DP communication card, CANlink communication card, CANopen communication card, differential input PG card, UVW differential input PG card, rotating inverter PG card, OC input PG card.


Using place

Indoor, and be free from direct sunlight, dust, corrosive gas, combustible gas, oil smoke, vapor, drip or salt.


Below 1000m

Ambient temperature

-10 ℃ to +50 ℃ (Derating use when under ambient temperature of 40 ℃ to 50 ℃)


Less than 95%RH, without condensing


Less than 5.9 m/s2(0.6g)

Storage temperature


Competitive Advantage:

1. Up to 70% energy saving

2. Low cost retrofit solution-70% cost down than synchronous servo solution.

3. improve environmental and production efficiency

4. Easy to install, no need to replace the existing motor and oil pump.

5. High response feature.

6. Long service life and less maintenance cost.

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