22KW 380V Electro Hydraulic Servo Drive For Injection Molding Machine

Product Specification

22KW 3phse 380V Electro-hydraulic Servo Drive injection molding machine

• The adoption of MODBUS makes the communication more reliable, response faster and instantaneity stronger.
• Built-in high-accuracy and high-response PID algorithm module can realize the pressure control accurately.
• Servo drive system can fully present the high performance and superiority, significantly improving the productivity.
• It is extremely convenient for debugging and maintenance, and the accessibility is fully considered for upper computer signal acquisition.
• Large margin design makes the protective capability strong and makes the oil temperature and noise of the complete machine operation significantly lower.
• New added functions of current realization and overvoltage suppression can effectively reduce the frequency of frequency converter fault protection.
• The product range is comprehensive and the power sections are ample, satisfying demands for various hydraulic equipment industries.
• The operation and debugging are more convenient and easier, and the design is more humanized, realizing the parallel connection of single machine and multi - pump, confluence and liquid separation control.
• All series conformal coating can improve the product reliability and environmental adaptation.
• Refined protection function can support over 30 protections, including short circuit detection of electric motor, input/output phase loss, overcurrent, overvoltage and overheat.

• Technical Specification

  Item	Specifications
  Standard functions	Maximum frequency	Vector control: 0~320 Hz V/F control: 0~3200 Hz
  	Carrier frequency	0.5–16 kHz (The carrier frequency is automatically adjusted based on the load features.)
  	Input frequency resolution	Digital setting: 0.01 Hz Analog setting: maximum frequency x 0.025%
  	Control mode	Sensor-less vector control (SVC) Closed-loop vector control (FVC)(+ PG card) Voltage/Frequency (V/F) control
  	Startup torque	G type: 0.5 Hz/150% (SVC); 0 Hz/180% (FVC) P type: 0.5 Hz/100%
  	Speed range	1:100 (SVC)	1:1000(FVC)
  	Speed stability accuracy	± 0.5% (SVC)	± 0.02% (FVC)
  	Torque control accuracy	± 10% (SVC)	± 5% (FVC)
  	Overload capacity	G type: 60s for 150% of the rated current, 3s for 180% of the rated current P type: 60s for 120% of the rated current, 3s for 150% of the rated current
  	Torque boost	Auto boost Manual boost 0.1%~30.0%
  	V/F curve	Straight-line V/F curve Multi-point V/F curve N-power V/F curve (1.2-power, 1.4-power, 1.6-power, 1.8-power, square)
  	V/F separation	Two types: complete separation; half separation
  	Acceleration/deceleration curve	Straight-line ramp S-curve ramp Four groups of acceleration/deceleration time with the range of 0.0s~65000s
  	DC braking	DC braking frequency: 0.00 Hz ~ maximum frequency Braking time: 0.0s~36.0s Braking trigger current value: 0.0%~100.0%
  	JOG control	JOG frequency range: 0.00Hz~50.00 Hz JOG acceleration/deceleration time: 0.00s~6500.0s
  	Built-in simple PLC, multiple speeds	It realizes up to 16 speeds via the simple PLC function or combination of DI terminal states.
  	Built-in PID	It realizes closed loop control system easily.
  	Auto voltage regulation (AVR)	It can keep constant output voltage automatically when the mains voltage fluctuation.
  	Overvoltage/ Over current stall control	The current and voltage are limited automatically during the running process so as to avoid frequently tripping due to overvoltage / over current.
  	Rapid current limit function	It can auto limit running current of frequency inverter to avoid frequently tripping.
  	Torque limit and control	(Excavator characteristics) It can limit the torque automatically and prevent frequently over current tripping during the running process. Torque control can be implemented in the VC mode.
  Individualized functions	High performance	Control of asynchronous motor and synchronous motor are implemented through the high-performance current vector control technology.
  	Instant power off not stop	The load feedback energy compensates the voltage reduction so that the frequency inverter can continue to run for a short time.
  	Rapid current limit	To avoid frequently over current faults of the frequency inverter.
  	Virtual I/O	Five groups of virtual DI/DO can realize simple logic control.
  	Timing control	Time range: 0.0~6500.0 minutes
  	Multi-motor switchover	Two motors can be switched by two groups of motor parameters.
  	Multiple communication protocols	It supports communication bus via Modbus-RTU, PROFIBUS-DP, CANlink and CANopen.
  	Motor overheat protection	The optional I/O extension card enables AI3 to receive the motor temperature sensor input (PT100, PT1000) so as to realize motor overheat protection.
  	Multiple encoder types	It supports various encoders such as differential encoder, open-collector encoder, resolver, UVW encoder, and SIN/ COS encoder.
  	Advanced background software	It supports the operation of frequency inverter parameters and virtual oscillograph function, by which the state of frequency inverter can be monitored.
  RUN	Running command giving	key panel; Control terminals; Serial communication port; You can switch between these giving in various ways.
  	Frequency giving	There are 10 kinds frequency giving: digital setting, analog voltage setting, analog current setting, pulse setting and serial communication port setting. You can switch between these giving in various ways.
  	Auxiliary frequency giving	There are 10 kinds auxiliary frequency giving. It can implement tiny tuning of auxiliary frequency and frequency synthesis.
  	Input terminal	Standard: 6 digital input (DI) terminals, one of which supports up to 100 kHz high-speed pulse input 3 analog input (AI) terminals, AI1,AI2 support 0V~10 V or 0mA~20mA input, AI3 support -10V~+10V Expanding capacity: many DI terminals
  	Output terminal	Standard: 1 high-speed pulse output terminal (open-collector) that supports 0–100 kHz square wave signal output (Can be used as DO output) 2 relay output terminal 2 analog output (AO) terminals, both of them supports 0mA~20mA current output and 0V~10V voltage output. Expanding capacity: many DO terminals many relay output terminals
  Display and keypad operation	LED display	It displays the parameters.
  	Parameters copy	Optional LCD keypad can copy parameters. (Option)
  	Key locking and function selection	It can lock the keys partially or completely and define the function range of some keys so as to prevent misoperation.
  	Protection mode	Motor short-circuit detection at power-on, input/output phase loss protection, over current protection, overvoltage protection, less voltage protection, overheat protection and overload protection,etc.
  Environment	Installation location	Indoor, no direct sunlight, dust, corrosive gas, combustible gas, oil smoke, vapour, drip or salt.
  	Altitude	Lower than 1000 m
  	Ambient temperature	-10°C~ +40°C (de-rated if the ambient temperature is between 40°C and 50°C)
  	Humidity	Less than 95%RH, without condensing
  	Vibration	Less than 5.9 m/s2 (0.6 g)
  	Storage temperature	-20°C ~ +60°C