INVT GD200A-630G-4 Universal General Purpose VFD Drive

The INVT GD200A-630G-4 Universal General Purpose VFD Drive stands as a robust solution for a myriad of industrial applications, offering precise motor control and energy efficiency. This drive distinguishes itself with its advanced control algorithms, comprehensive protection features, and user-friendly interface, making it a go-to choice for demanding operational environments. Key advantages include its high torque output, exceptional dynamic performance, and versatile communication options, ensuring seamless integration into diverse automation systems.

Product Specifications

| Parameter               | Specification                                    |

| :---------------------- | :----------------------------------------------- |

| Model                   | GD200A-630G-4                                    |

| Rated Power (kW)        | 630                                              |

| Rated Current (A)       | 630                                              |

| Input Voltage (3-Phase) | 380-440V AC                                      |

| Output Voltage          | 0-380V AC (or to input voltage)                  |

| Frequency Range         | 0-3000 Hz                                        |

| Control Method          | Sensorless Vector Control, V/f Control, Torque Control |

| Overload Capacity       | 150% for 60s, 180% for 10s                         |

| Braking Unit            | Integrated (for models up to 200A) / Optional    |

| Protection Features     | Over-voltage, Under-voltage, Over-current, Overload, Over-temperature, etc. |

| Communication           | RS485 (Modbus RTU), Optional fieldbus modules    |

| Operating Temperature   | -10°C to +40°C (derating above +40°C)            |

| Dimensions (H x W x D)  | Varies by frame size (refer to datasheet)        |

Core Features & Market Positioning

The INVT GD200A-630G-4 is engineered with advanced V/f and Sensorless Vector Control technologies, delivering superior speed and torque accuracy across a wide operational spectrum. Its robust design and high-quality components ensure reliability in harsh industrial settings, a critical factor for its market positioning as a dependable, high-performance Variable Frequency Drive. The drive's ability to maintain precise motor speed and torque, even under fluctuating load conditions, sets it apart from standard V/f-only drives, offering a significant competitive edge. Furthermore, its integrated braking unit (on select models) and options for external braking resistors provide enhanced control for applications requiring rapid deceleration.

Key Application Scenarios

This versatile VFD finds extensive use in heavy industries such as mining, metallurgy, and petrochemicals, powering critical equipment like crushers, conveyors, pumps, and fans. Its capacity for high starting torque and smooth acceleration is particularly beneficial for machinery with significant inertia. In the manufacturing sector, the GD200A-630G-4 is ideal for controlling large processing equipment, textile machinery, and plastic extrusion lines, where precise speed regulation directly impacts product quality and throughput. The drive's robust overload capability ensures it can handle sudden load surges without tripping, crucial for continuous production processes.

Practical System Integration Guidance

Integrating the INVT GD200A-630G-4 into existing systems is streamlined by its flexible configuration options and clear terminal assignments. For installation, ensure adequate ventilation to prevent overheating, especially in higher ambient temperatures, and consult the wiring diagram in the manual for correct power and control connections. Programming typically involves setting basic parameters like motor data, maximum/minimum frequency, and acceleration/deceleration times via the keypad or through the RS485 interface using Modbus RTU protocol. For applications requiring closed-loop speed control, connect the appropriate encoder feedback to the designated input terminals. Careful consideration of the braking strategy—whether using internal dynamic braking or external resistors—is paramount for applications with high inertia loads that require quick stops.

Operation and Risk Mitigation

Safe operation of the INVT GD200A-630G-4 necessitates adherence to electrical safety standards and proper commissioning procedures. Before powering up, verify all wiring, grounding, and parameter settings to prevent potential faults. Critical error codes, such as "Overcurrent" (OC) or "Overload" (OL), often indicate issues with motor load, inadequate braking, or incorrect parameter configuration. For instance, an "Over-voltage" (OV) fault might suggest excessive regenerative energy from a high-inertia load during deceleration, potentially requiring the installation of a braking resistor or adjustment of deceleration ramps. Regular maintenance, including cleaning dust from heatsinks and checking electrical connections, is vital for long-term reliability and preventing unexpected downtime.

Scalability & Long-Term Value

The INVT GD200A-630G-4 offers significant long-term value through its scalability and compatibility with modern industrial automation trends. Its modular design and availability of optional communication cards (e.g., Profibus, DeviceNet) allow for seamless integration into distributed control systems and SCADA platforms, facilitating connectivity with IIoT ecosystems. This adaptability ensures that the drive can remain a central component as automation strategies evolve, supporting data acquisition for performance monitoring and predictive maintenance. The drive's robust build quality and INVT's commitment to firmware updates further enhance its lifespan, providing a sustainable investment for evolving industrial needs.

Frequently Asked Questions

What are the primary advantages of the INVT GD200A-630G-4 VFD?

This drive excels in precise motor speed and torque control, offering excellent dynamic response. Its robust construction ensures high reliability in demanding industrial environments. It provides significant energy savings through efficient motor speed modulation.

The INVT GD200A-630G-4 features advanced Sensorless Vector Control for superior performance. It offers comprehensive protection functions against electrical faults. The drive supports flexible communication protocols for easy system integration.

Key benefits include its high overload capability, essential for heavy-duty applications. It delivers smooth acceleration and deceleration, protecting machinery. User-friendly operation and maintenance further add to its value proposition.

How is the INVT GD200A-630G-4 VFD installed and wired?

Install the VFD in a clean, dry, and well-ventilated area, away from excessive dust or corrosive fumes. Mount it vertically on a DIN rail or panel, ensuring adequate clearance for heat dissipation. Follow the detailed wiring diagrams in the user manual for power input, motor output, and control signal connections.

Ensure proper grounding of the VFD, motor, and control circuits to comply with safety regulations. Use appropriately sized shielded cables for motor connections to minimize electromagnetic interference. Double-check all terminal connections before applying power to prevent short circuits or damage.

Connect control signals such as digital inputs for start/stop, forward/reverse, and speed selection. For analog speed control, connect a potentiometer or control signal to the analog input terminals. Verify that the input voltage matches the drive's specifications.

What are common troubleshooting steps for INVT GD200A-630G-4 VFD faults?

Upon encountering a fault, first, check the error code displayed on the VFD's HMI. Consult the user manual's troubleshooting section for the specific meaning of the code and recommended actions. Common faults include overcurrent, overload, and over-voltage.

For an overcurrent fault, verify that the motor is not stalled or overloaded. Check motor nameplate data against programmed parameters and ensure acceleration/deceleration times are sufficient. For overload, confirm the motor's current limit setting is appropriate for the application.

If an over-voltage fault occurs during deceleration, consider adding a braking resistor or increasing the deceleration time. If the issue persists, inspect motor windings for shorts and check power supply stability. Always disconnect power before performing any inspection or maintenance.

What motor types can the INVT GD200A-630G-4 control?

The GD200A-630G-4 is designed to control standard three-phase induction motors efficiently. It supports various motor configurations, including squirrel cage and slip ring designs. Its flexible parameter settings allow optimization for different motor characteristics.

It excels in controlling motors requiring precise speed regulation through its Sensorless Vector Control mode. This mode is ideal for applications where exact speed is critical, even under varying loads. V/f control is also supported for simpler applications.

The drive is suitable for a wide range of motor power ratings, matching the 630G-4 model's capacity. Ensure the motor's voltage and frequency ratings are compatible with the VFD's output capabilities. Always refer to the motor's nameplate for specifications.

What are the key parameters to set during commissioning?

Essential parameters include motor nominal voltage, frequency, rated current, and power, which must match the connected motor's nameplate data. Setting the maximum and minimum output frequencies and acceleration/deceleration times is also crucial for proper operation.

Configure the VFD's operating mode, such as V/f control or Sensorless Vector Control, based on application requirements. Set protection parameters like overcurrent and overload limits to safeguard the motor and drive. Define digital input functions for start, stop, and direction control.

For advanced applications, configure PID control parameters if the drive is used for process regulation. Set communication parameters for RS485 or other fieldbus interfaces if remote control or monitoring is needed. Ensure braking functions are correctly set if required.

How does the GD200A-630G-4 handle regenerative energy?

The GD200A-630G-4 can manage regenerative energy from decelerating loads to some extent. For lower inertia applications, the drive may dissipate this energy through internal braking circuits or by releasing it back to the DC bus. This prevents over-voltage faults during stopping.

For applications with high inertia loads, the drive might require an external braking resistor to safely dissipate the generated energy. This resistor converts electrical energy into heat, preventing the DC bus voltage from exceeding safe operating limits. Proper sizing of the braking resistor is critical.

Alternatively, if the system has multiple drives, regenerative energy from one can be utilized by another drive that is accelerating a load, improving overall system efficiency. Some advanced configurations may also feed energy back to the grid through specific modules.

What communication protocols does this VFD support?

The INVT GD200A-630G-4 drive comes standard with an RS485 communication port, supporting the Modbus RTU protocol. This allows for serial communication with PLCs, HMIs, and other control devices for remote monitoring and control.

Beyond the standard Modbus RTU, INVT offers optional communication interface cards for various industrial fieldbuses. These can include protocols like Profibus DP, DeviceNet, EtherNet/IP, and others, depending on system integration needs.

This extensive protocol support ensures the GD200A-630G-4 can be seamlessly integrated into a wide array of automation architectures, from simple serial connections to complex networked industrial environments. Always check the specific option card compatibility.

What is the typical lifespan and maintenance schedule for this drive?

With proper installation and operation within specified environmental conditions, the INVT GD200A-630G-4 VFD typically has a long service life, often exceeding 10-15 years. Key factors include avoiding over-temperature conditions and regular cleaning.

Preventive maintenance should include periodic inspection of cooling fans, heatsinks, and internal components for dust accumulation. Check electrical connections for tightness and signs of corrosion. Fan replacement may be necessary after several years of continuous operation.

Refer to the user manual for a detailed maintenance schedule. Performing firmware updates when available can also enhance performance and reliability over the drive's lifespan. Monitor fault logs for any recurring issues that might indicate an impending problem.

Can this VFD be used with single-phase motors?

No, the INVT GD200A-630G-4 is specifically designed to operate standard three-phase induction motors. It requires a three-phase AC input power supply and outputs a three-phase AC voltage to the motor.

Using a single-phase motor with this drive would require a phase converter or other specialized equipment. However, it is generally recommended to use a three-phase motor directly with the VFD for optimal performance and efficiency.

If your application is limited to a single-phase power source and requires variable speed, you would need to consider a VFD specifically designed for single-phase input to three-phase output conversion, or a different motor type. This model is for three-phase output applications.

What kind of warranty and technical support is available?

INVT typically offers a standard warranty period for their VFD products, which can vary by region and distribution channel. It's advisable to check with your specific supplier for the exact warranty terms and duration for the GD200A-630G-4.

Technical support is generally available through INVT's global network of distributors and service centers. They provide assistance with product selection, installation, troubleshooting, and repair services. Online resources like datasheets, manuals, and FAQs are also accessible.

For complex issues or specialized application support, INVT's engineering teams may offer in-depth technical consultations. Registering your product can also facilitate access to support and warranty claims. Always have your product model and serial number ready when contacting support.