Three-Phase Variable Frequency Drive ZEST 2.2kW 5.1A 400V

ZEST ZQ280AT2D2 2.2kW 400V Three-Phase Variable Frequency Drive – Smooth Motor Speed Control

ZEST ZQ280AT2D2 three-phase variable frequency drive is a compact 2.2kW frequency inverter designed for speed regulation and control of three-phase motors. Its 400V power supply allows it to be used in workshops, manufacturing facilities and industrial installations equipped with a three-phase electrical supply. Frequency regulation allows motor speed to be matched to process requirements, providing greater control over drive operation.

The ZEST ZQ280AT2D2 inverter combines SVC vector control, controlled starting and stopping, and automation functions. This enables convenient control of motor speed, direction of rotation and operating characteristics. Extensive configuration options allow the inverter to be adapted to machine tools, conveyors, feed mechanisms and other industrial applications.

Key Advantages of the ZEST ZQ280AT2D2 Three-Phase Variable Frequency Drive

• Smooth motor speed regulation – allows speed to be adjusted to the task without having to change mechanical gear ratios each time.
• 400V three-phase power supply – enables use in workshop and industrial installations equipped with a three-phase mains supply.
• SVC vector control – provides more precise torque control and more stable drive operation under varying loads.
• Smooth starting and stopping – reduces sudden jerking and mechanical loads when starting and stopping the motor.
• Torque Boost and slip compensation – help maintain torque at lower frequencies and reduce speed loss under load.
• FWD/REV direction reversal – facilitates control of drives requiring operation in both directions.
• JOG function – enables brief motor operation when positioning and adjusting mechanisms.
• Multi-speed and Simple PLC – allow the use of programmed speeds and repeatable operating sequences.
• Built-in PID controller – automatically adjusts motor speed based on a signal from a suitable sensor.
• RS485/Modbus communication – allows the inverter to be integrated with compatible PLC controllers and industrial automation systems.
• Programmable inputs and analogue control – enable drive operation using external push buttons, a potentiometer and control signals.

400V Variable Frequency Drive for Three-Phase Motors – Greater Drive Control

The ZEST ZQ280AT2D2 three-phase variable frequency drive regulates motor speed by changing the frequency of the output voltage. This allows rotational speed to be adjusted to current requirements without having to change mechanical gear ratios each time. The solution is particularly useful in machine tools, conveyors and mechanisms requiring adjustable operating speeds.

The 2.2kW frequency inverter also allows motor acceleration and deceleration to be controlled, helping to reduce jerking during starting and stopping. Properly configured control parameters provide more predictable drive operation and make it easier to adapt the drive to the nature of the load.

SVC Vector Control – More Stable Operation Under Varying Loads

The ZEST ZQ280AT2D2 inverter supports scalar V/F control and sensorless vector control (SVC). The ability to select the control method allows the drive characteristics to be adapted to the requirements of a specific application. Vector control provides improved torque regulation, particularly in systems where the load changes during operation.

The Torque Boost function supports torque generation at lower frequencies, while slip compensation helps reduce speed loss as mechanical resistance increases. These functions make the 400V vector-controlled inverter suitable for machine tools, feed mechanisms and conveying systems requiring stable speed regulation.

Smooth Starting, Stopping and Direction Reversal

The ZEST 2.2kW variable frequency drive allows motor acceleration and deceleration times to be set using adjustable ACC/DEC ramps. Controlled starting helps reduce sudden mechanical loads, while smooth stopping makes it easier to adapt drive operation to workstation requirements.

The FWD/REV function allows the motor's direction of rotation to be reversed, while JOG mode enables brief drive operation at a preset speed. These functions improve operating convenience when positioning components, adjusting mechanisms and performing tasks requiring precise motion control.

Process Automation with Multi-speed and Simple PLC Functions

The ZEST ZQ280AT2D2 variable frequency drive allows previously programmed motor speeds to be used. The Multi-speed function enables switching between selected settings without manually entering the frequency each time, making repetitive processes easier to operate.

The Simple PLC function enables simple operating sequences in which the motor automatically moves between successive stages with specified speeds and durations. This is a practical solution for conveyors, mixers and systems performing cyclic production operations.

External Control and RS485/Modbus Communication

The ZEST ZQ280AT2D2 three-phase variable frequency drive can be operated from its control panel or using appropriately configured external signals. Programmable digital inputs allow selected control functions to be assigned, while analogue control enables motor speed regulation, for example using a potentiometer mounted on a control panel.

RS485/Modbus communication allows the inverter to be connected to compatible PLC controllers and industrial automation systems. This enables remote transmission of control commands and reading of selected drive operating parameters, facilitating integration into production installations.

PID Controller – Automatic Motor Speed Regulation

The built-in PID controller automatically adjusts motor speed based on a signal from a suitable sensor. This function is used, among other applications, in pumping and ventilation installations where specified process parameters need to be maintained.

For example, a 400V variable frequency drive can regulate pump speed according to the current pressure in the installation. Proper system configuration reduces the need for manual adjustment and allows drive output to be matched to actual demand.

Braking Functions – Controlled Drive Stopping

The ZEST ZQ280AT2D2 inverter offers a DC Braking function that assists motor stopping by applying direct current. This allows the braking method to be adapted to the operating characteristics and requirements of the drive.

The built-in braking system also supports connection of a suitably selected external braking resistor. This solution can be used in applications requiring more frequent or intensive braking, depending on drive inertia and process parameters.

Applications of the ZEST ZQ280AT2D2 Three-Phase Variable Frequency Drive

The 2.2kW 400V three-phase variable frequency drive is suitable for workshops, manufacturing facilities and industrial installations. It enables smooth motor speed regulation, controlled starting and automation of selected drive functions.

Typical applications include:

• Lathes and milling machines – adjusting spindle speed to suit the material and machining operation.
• Workshop drilling machines – matching rotational speed to the drill diameter and type of operation.
• Grinding machines – speed control in suitably adapted drive systems.
• Belt conveyors – regulating material conveying speed.
• Feed mechanisms – smooth motion control and adjustment of operating speed.
• Fans – regulating output by changing motor speed.
• Pumps – adjusting output to the current demand of the installation.
• Mixers – controlling rotational speed and executing repeatable operating cycles.

Selecting a variable frequency drive for a particular application should take into account the motor's rated voltage and current, winding connection configuration, required starting torque and the nature of the load.

ZEST ZQ280AT2D2 Technical Specifications

ZEST ZQ280AT2D2 – Versatile Variable Frequency Drive for Industrial Applications

The ZEST ZQ280AT2D2 three-phase variable frequency drive combines smooth speed regulation, vector control and motor automation functions. It allows drive speed to be matched to the task, reduces jerking during starting and provides convenient control of the direction of rotation. Extensive configuration and communication options make it suitable for various workshop and industrial applications.

Choose the ZEST 2.2kW 400V variable frequency drive for greater control over motor operation. Explore the CORMAK range and select a frequency inverter that meets the needs of your workshop or manufacturing facility.