INVT GD350-004G-4 Goodrive350 Professional Inverter 4kW High Speed Response 400V

The INVT GD350-004G-4 Goodrive350 Professional Inverter stands as a robust 4kW, 400V solution engineered for high-speed response and precision control in demanding industrial environments. This advanced variable frequency drive (VFD) excels in applications requiring rapid dynamic performance, offering superior motor control and energy efficiency. Its professional-grade design ensures reliability and optimal performance across a wide spectrum of industrial machinery.

Product Specifications

| Parameter             | Specification                               |

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

| Model                 | GD350-004G-4                                |

| Power Rating          | 4 kW                                        |

| Input Voltage         | 400V Class (3-Phase)                        |

| Output Voltage        | 400V Class (3-Phase)                        |

| Frequency Range       | 0-3000 Hz                                   |

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

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

| Communication Options | RS485 (Modbus), CANopen, Profibus-DP (optional) |

| Protection Features   | Overvoltage, undervoltage, overload, overheat, phase loss, etc. |

| Mounting Type         | Wall-Mounting / Cabinet Installation        |

| Dimensions (approx.)  | 148mm x 124mm x 230mm (H x W x D)           |

| Weight (approx.)      | 3.5 kg                                      |

Core Features & Market Positioning

The INVT GD350-004G-4 distinguishes itself with its exceptional high-speed response capabilities, crucial for applications demanding rapid acceleration and deceleration, such as in precision machine tools and automated manufacturing lines. Its advanced vector control algorithm provides precise torque and speed regulation, even under fluctuating loads, a significant advantage over standard V/f control methods. This level of performance positions the Goodrive350 series as a premium choice for industries seeking to optimize operational efficiency, reduce cycle times, and enhance product quality. The inherent reliability and comprehensive protection features further solidify its market standing as a professional-grade industrial drive.

Key Application Scenarios

This 4kW inverter is ideally suited for a multitude of demanding industrial applications. It is particularly effective in controlling high-speed spindles on CNC machines and woodworking equipment where rapid tool changes and precise speed are paramount. In the textile industry, the GD350-004G-4 can optimize the performance of high-speed looms and winding machines, ensuring consistent fabric quality. Packaging machinery, such as high-speed filling and capping machines, benefits from the drive's quick response and precise positioning capabilities. Furthermore, it is a strong candidate for plastic extrusion lines and printing presses where accurate speed control under varying conditions is essential for optimal throughput and material utilization.

Practical System Integration Guidance

Integrating the INVT GD350-004G-4 into existing systems is streamlined due to its flexible communication options and robust terminal block design. For optimal performance, ensure the input power supply meets the 400V three-phase standard and is adequately protected with appropriate circuit breakers and fuses. Wiring should follow standard industrial practices, paying close attention to grounding for safety and noise reduction. When connecting to a motor, ensure the motor's nameplate data is accurately entered into the VFD's parameters, particularly for vector control modes. Parameter programming, often via the integrated keypad or optional communication modules, should prioritize setting up overload protection, acceleration/deceleration ramps, and motor data to match the specific application requirements for best results and longevity.

Operation and Risk Mitigation

Safe and efficient operation of the INVT GD350-004G-4 hinges on adherence to operational guidelines and understanding potential fault conditions. Always ensure the drive is properly installed in a well-ventilated environment to prevent overheating, a common cause of drive failure. Before powering up, double-check all electrical connections and motor parameter settings. Critical fault codes, such as "Overcurrent" (OC), "Overvoltage" (OV), and "Overload" (OL), indicate specific issues that require immediate attention. For instance, an OC fault during acceleration might suggest motor issues or undersized power supply, while an OL fault under steady load could point to an overloaded driven machine. Always consult the user manual for detailed troubleshooting steps for each fault code to mitigate risks and ensure continuous operation.

Scalability & Long-Term Value

The INVT GD350-004G-4 offers considerable scalability and long-term value, particularly for businesses looking to implement smart manufacturing initiatives. Its compatibility with various industrial communication protocols like Modbus RTU and optional fieldbus modules (CANopen, Profibus-DP) facilitates seamless integration into supervisory control and data acquisition (SCADA) systems and programmable logic controller (PLC) networks. This enables remote monitoring, diagnostics, and control, crucial for IIoT deployments. The drive's robust design and comprehensive protection mechanisms contribute to a long operational lifespan, reducing the total cost of ownership. Furthermore, INVT's commitment to firmware updates ensures that the drive can benefit from future performance enhancements and new functionalities.

Frequently Asked Questions (FAQs)

Q1: What are the primary benefits of using the INVT GD350-004G-4?

This inverter offers exceptional high-speed response. It excels in demanding motor control applications.

Its precise vector control ensures optimal performance. It also boosts energy efficiency significantly.

The robust design guarantees reliability and longevity. It minimizes downtime and maintenance costs.

Q2: What types of motors can be controlled by the GD350-004G-4?

It is designed for standard 3-phase induction motors. It also supports permanent magnet synchronous motors.

The drive features advanced auto-tuning for motor parameters. This ensures optimal performance with any compatible motor.

Ensure the motor's voltage and current ratings are within the drive's specifications for safe operation. Always consult the manual.

Q3: How do I connect the INVT GD350-004G-4 to a PLC?

Use the integrated RS485 port with Modbus RTU protocol. This is a common and reliable method.

For other protocols like CANopen or Profibus, an optional communication card is required. Install this module carefully.

Ensure proper wiring and communication parameter settings on both the VFD and the PLC. Consult network documentation for specifics.

Q4: What is the typical operating temperature range for this inverter?

The GD350-004G-4 typically operates within an ambient temperature range of -10°C to +40°C. This is standard for industrial VFDs.

For optimal performance and longevity, it is crucial to maintain airflow around the unit. Avoid dusty or humid environments.

Higher ambient temperatures may require derating or forced ventilation. Always adhere to installation guidelines in the manual.

Q5: How can I reset the INVT GD350-004G-4 to factory default settings?

Access the parameter menu and locate the "Factory Reset" or "Initialization" option. This is usually under system settings.

Confirm the reset action to revert all parameters to their default values. This is useful for troubleshooting.

Note that all custom configurations will be lost. Re-parameterization will be necessary after the reset.

Q6: What is the overload capacity of the GD350-004G-4?

It can handle 150% of its rated current for 60 seconds. This is suitable for most acceleration needs.

For short bursts, it can withstand 180% of rated current for 10 seconds. This provides a safety margin.

Exceeding these limits can trigger overload faults and potentially damage the drive or motor. Monitor load carefully.

Q7: What safety precautions should be taken when installing this inverter?

Always disconnect power before making any electrical connections. Ensure proper grounding of the drive and motor.

Install the unit in a well-ventilated area to prevent overheating. Avoid installation in explosive or corrosive atmospheres.

Follow local electrical codes and use appropriate protective devices like circuit breakers and fuses.

Q8: Can this inverter be used for single-phase motor control?

No, the INVT GD350-004G-4 is designed for three-phase motor operation only. It requires a three-phase input power supply.

Attempting to connect a single-phase motor will result in damage to the motor and the drive. Always match the drive to the motor type.

For single-phase motor control, a different type of VFD designed for such applications would be necessary.

Q9: How does the high-speed response benefit my application?

High-speed response enables rapid acceleration and deceleration cycles. This reduces overall process times.

It allows for precise speed and torque control even during dynamic changes. This improves product quality and consistency.

Applications like CNC spindles or packaging machines see significant performance gains from this feature.

Q10: What is the warranty period for the INVT GD350-004G-4?

Warranty details can vary based on region and vendor. It is typically around 18-24 months.

Always refer to the warranty card or purchase documentation for precise terms and conditions. Contact your supplier for specifics.

Contact INVT customer support or your authorized distributor for any warranty claims or service inquiries.