In the modern era of industrialization, the application of inverter technology to control motors has become an indispensable part in improving and enhancing the operating efficiency of mechanical systems. Vicruns VD530-4T-3.7GB/5.5PB inverter, one of the most advanced products on the market, has been designed to meet diverse needs in AC motor control, allowing flexible switching between forward and reverse rotation modes. This article will analyze in detail the features, settings and practical applications of the Vicruns VD530 inverter in motor control, providing insight into the capabilities and efficiency that this device brings in applications. modern industry.
1. Overview information about the Vicruns VD530-4T-3.7GB/5.5PB inverter
• Power 3.7kW (5HP)
• Source voltage deviation ± 10%
• Carrier frequency: 0.5kHz~16.0kHz
• Open vector control mode, V/F control
• Start-up moment: 0.25Hz/150%(vector control)
• Overload protection.
2. VD530 inverter code selection table
3. Shape and main structure diagram of VD530 inverter
• Fron Housing: front body
• Operational Panel: operational control panel
• Structor: middle structure
• Bottom Housing: rear body
• Inverter Nameplate: inverter sticker
• Inverter Mounting Hole: inverter mounting hole
• Fan: fan
• I/N Port: connection pin
Application
Inverters are increasingly used to control the speed of all machines in all industries, especially in industry and construction: Crushers, rolling machines, scissors, film coating machines, fiber making machines, etc. plastic, rubber, paint, chemicals, textile, dyeing, packaging, wood processing, conveyor belts, cranes, cooling towers, lifting equipment...
Main interface
Description of keyboard buttons
| Button | Name | Function description |
| Programming course | Enter or exit the first level menu and clear parameters quickly |
| Enter the key | Enter the menu step by step
Confirm parameters |
| UP key | Increment data or function code |
| DOWN key | Descending data or function code |
| Right shift key | Scroll right to select circular display parameters in stop and run mode. Select parameters modify digits during parameter modification |
| RUN key | This key is used to operate the inverter in main operating mode. |
| STOP/RESET key | This key is used to stop in running state and it is limited by function code F7-01 |
| Quick key | The function of this lock is confirmed by the function code F7-00 |
Note: function codes F7-01, F7-00
LED Indicator function description:
| Name | Describe |
RUN | When it is off, it indicates that the inverter is in stop state; when it is turned on, it indicates the rotation status; The inverter flashes when running automatically. |
FWD/REV | It is LED indictment to rotate forward/backward. When it is turned on, it indicates that the inverter is in the forward rotation state; When it turns off, it indicates that the inverter is rotating in reverse |
L/R | When off, it indicates the operating control status of the keyboard; when it is on, it indicates the terminal operation control status; When it flashes, it indicates the remote control operating status |
Hz | Frequency unit (Hz) |
A | Unit of measurement of current (A) |
V | Voltage measurement unit (V) |
RPM | Unit of measurement for rotational speed (rpm) |
% | Unit % |
Wiring diagram of 3-phase inverter main circuit:
• R,S,T pins: input connection of 3-phase AC power supply, external connection of 3-phase AC power grid.
• U,V,W pins: connect the output of the 3-phase power supply, external connection of the 3-phase AC motor.
• P+, P- pins: connect the positive and negative terminals of the DC main line, external connection of the brake unit terminal.
• Pin PB, P+: External connection of brake resistor terminal.
• Pins: ground.
Main control board diagram and function expansion card connection:
Description of control circuit connectors:
- Power supply:
• 5V/10V-GND pin: Provides +5V / 10V power supply for external devices, maximum output current is 20mA. Jumper J15 on main control board to select 5V or 10V power output, default is 10V. It is often used as the operating power supply for external potentiometers. Potentiometer resistance range is 1kΩ ~ 10KΩ.
• +24V-COM pin: Provides +24V power to external units. It is commonly used as the operating power source for digital input/output terminals and external sensors. The maximum output current is 200mA.
• OPEN pin: Connects to 24V by default, jumper J14 on main control board to select +24V or COM connection. When external power supply is used to control DI1 ~ DI5, HDI1, OPEN needs to connect to external power supply and disconnect J14 (disconnect from +24V/COM).
- The media:
• Pins 485+-485-: Standard RS-485 communication terminal, twisted pair cable recommended.
- Analog input:
• AI1-GND pin: 1. Input voltage range: DC 0V to 10V
2. Input resistance: 22kΩ
• AI2-GND pin: Input range: DC 0V to 10V or 0 / 4mA ~ 20mA, can be selected by jumper J5 on the main control board, default DC0V ~ 10V signal; Input impedance: under voltage input -22 kΩ, under current input 500Ω.
- Digital input: includes DI1-COM pins, DI2-COM pins, DI3-COM pins, DI4-COM pins and DI5-COM pins:
• Optical coupling isolation, dual polarity input compatible, 3.3kΩ internal resistance.
• Multi-function digital input, via F5-01-F5-05 for function setting.
• Default inverter + 24v built-in power supply, COM is common terminal.
• When using external power supply, JP14 should be hung, external + 24V connected to OPEN terminal, COM is common terminal (external voltage supply range + 24V ± 10%).
• HDI1-COM pin (high-speed pulse input): When used as a common digit input, it has the same function as DI1 ~ DI5; Can be combined with OPEN terminal as bipolar high-speed pulse input terminal, maximum input frequency is 100kHz。 When using external power supply, input voltage range +24V± ten%; Internal impedance 1.65 kΩ.
- Digital output/analog output:
• Pin AO1-GND: Supports 0V ~ 10V voltage or 0 / 4mA ~ 20mA current output, decided by jumper J3, default 0V ~ 10V voltage output.
• Pin AO2-GND: Supports 0V ~ 10V voltage or 0 / 4mA ~ 20mA current output, decided by jumper J4, default 0V ~ 10V voltage output.
• DO1-COM pin: Optical coupling isolation, dual polarized open collector output; Pull-up voltage range: 5V ~ 24V (pull-up resistance range: 0.48kΩ ~ 10kΩ); Output current range: 2mA ~ 50mA.
• HDO1-COM pin: When used as a common digital output, functions similar to DO1; Can be combined with OPEN terminal as bipolar high-speed pulse output terminal, maximum output frequency is 100kHz; Pull-up voltage range: 5V-24V (pull-up resistance range: 0.48kΩ ~ 10kΩ). Output current range: 2mA ~ 50mA.
- Relay output: includes pins T1/A-T1/B, T1/A-T1/C and T2/A-T2/C: Contact driving capacity: AC250V, 3A, DC 30V, 5A.
• GROUND (PE) pin: Used to control the cable shield grounding, when the noise is large on site or the control cable is too long, the PE must be well grounded to reduce the EMC influence. The PE terminal is not allowed to connect to the N power line, otherwise it will damage the inverter.
4. Instructions for connecting forward/reverse motor control with Vicruns VD530-4T-3.7GB/5.5PB inverter
Standard wiring diagram for three-phase and lower 15kW inverters
Actual connection diagram
5. Adjust parameters for the inverter to control the reversible motor
• MENU/ESC key to access parameter groups or return to the main screen.
• The ENTER/DATA key is used to save setting parameters
• The >> key is used to change the parameter group.
• Up and down arrow keys are used to change the setting value of parameter groups.
Steps to adjust the inverter to control the reversible motor:• Step 1: Access function FF-01 and set value 1 for this function to reset parameters for the inverter.
• Step 2: Enter function F0-01: set up control by push button on the inverter or use an external switch. Then set the value to 1, to control the motor with an external switch.
• Step 3: Enter function F0-10: set the maximum frequency value for the inverter to operate at 50Hz.
• Step 4: Enter function F0-18: set the acceleration time for the inverter to 10 seconds.
• Step 5: Enter function F0-19: set the deceleration time for the inverter to 10 seconds.
• Step 6: Go to function F2-00 to set engine parameters, select the setting value as 1.
• Step 7: Go to function F2-01, set the motor capacity value (default motor capacity) 1/2HP (373W).
• Step 8: Go to function F2-02, set the voltage value for the motor to 380V
• Step 9: Go to function F2-03, set the current value for the motor to 1.2A
• Step 10: Go to function F2-04, set the frequency for the motor to 50Hz
• Step 11: Enter function F2-05, motor speed is 1420
• Step 12: Set up inverter protection parameters:
Enter function F8-00: select value 1, allowing the inverter to protect against overload.
Go to function F8-12: set the percentage to prevent stopping the machine when overcurrent is 160 (default parameter).
Enter function F8-15: select value 1, input phase loss protection.
Enter function F8-16: select value 1, output phase loss protection.
Then press MENU to return to the main screen, flip the switch to the positions and observe the engine operating.
6. Detailed video instructions on how to control forward/reverse rotation of the motor with the Vicruns VD530-4T-3.7GB/5.5PB inverter
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