INVT GD10-0R7G-S2-B Micro VFD with Brake Function

The INVT GD10-0R7G-S2-B Micro VFD is a compact and intelligent variable frequency drive engineered for precise motor control with integrated braking capabilities. This unit boasts a robust design, offering a 0.75kW (1HP) power rating and operating on a 220V single-phase input, delivering a 220V three-phase output. Its defining feature is the built-in brake function, crucial for applications requiring rapid stopping and secure holding of loads. The GD10 series prioritizes ease of use and efficient operation, making it an ideal solution for a wide array of industrial automation tasks.

Product Specifications

| Feature               | Specification                                   |

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

| Model                 | GD10-0R7G-S2-B                                  |

| Rated Power           | 0.75 kW / 1 HP                                  |

| Input Voltage         | 200-240V Single Phase                           |

| Output Voltage        | 200-240V Three Phase                            |

| Output Current        | 4.0 A                                           |

| Frequency Range       | 0.00-600.00 Hz                                  |

| Built-in Brake Unit   | Yes                                             |

| Control Mode          | V/f Control, Vector Control (Sensorless)        |

| Protection Class      | IP20                                            |

| Mounting Type         | Wall/Din Rail Mount                             |

| Communication Options | RS485 (Modbus)                                  |

| Ambient Temperature   | -10°C to +40°C                                  |

Core Features & Market Positioning

The INVT GD10-0R7G-S2-B distinguishes itself with its integrated brake resistor and control circuit, a significant advantage for applications demanding precise positioning and rapid deceleration. This eliminates the need for external braking components, simplifying installation and reducing overall system cost. Its adoption of advanced vector control algorithms ensures superior torque performance and speed regulation, even under fluctuating load conditions, positioning it as a high-performance solution in the micro VFD market. The compact IP20-rated enclosure allows for flexible installation in space-constrained environments. Furthermore, its robust design and comprehensive protection features, including overcurrent, overvoltage, and thermal protection, ensure reliable operation and longevity in demanding industrial settings.

Key Application Scenarios

This micro VFD finds extensive use in applications requiring controlled acceleration, deceleration, and holding torque. Common scenarios include conveyor systems where precise speed control and accurate stopping are paramount, packaging machinery for synchronized movements, and machine tools needing repeatable positioning. The integrated brake function is particularly valuable in vertical lift applications, such as hoists and cranes, to prevent load drift and ensure safety. It is also well-suited for small pumps and fans where variable speed operation can lead to significant energy savings. The GD10-0R7G-S2-B's versatility makes it a go-to choice for small-scale automation projects across industries like textiles, printing, and food processing.

Practical System Integration Guidance

Integrating the INVT GD10-0R7G-S2-B into an existing system is straightforward due to its user-friendly interface and standard communication protocols. Wiring involves connecting the single-phase input power to L and N terminals, and the three-phase motor to U, V, and W terminals. The digital inputs can be configured for basic start/stop commands, forward/reverse operation, and external fault signals. For advanced control, the RS485 port enables Modbus RTU communication, allowing seamless integration with PLCs and SCADA systems for remote monitoring and parameter adjustment. Parameter programming is accessible via the integrated keypad and LED display, or remotely through the Modbus interface, offering flexibility in setup and fine-tuning motor performance characteristics.

Operation and Risk Mitigation

Safe operation of the INVT GD10-0R7G-S2-B VFD hinges on adhering to installation guidelines and understanding its protection mechanisms. Ensure the VFD is installed in a well-ventilated area, away from excessive dust, humidity, and corrosive materials, to prevent overheating and component damage. Before maintenance, always disconnect the main power supply and allow sufficient discharge time for the DC bus capacitors to prevent electrical shock. Common fault codes, such as E.OC (Overcurrent) or E.OH (Overheating), typically indicate issues like motor overload, incorrect parameter settings, or inadequate cooling. Addressing these faults promptly by verifying motor load, checking wiring integrity, and ensuring proper ventilation is crucial for preventing permanent damage. The built-in brake control requires careful parameterization to prevent mechanical shock during braking operations.

Scalability & Long-Term Value

The INVT GD10-0R7G-S2-B offers inherent scalability through its Modbus communication capabilities, allowing it to be integrated into larger, networked automation systems. This facilitates centralized control and monitoring, crucial for modern industrial IoT (IIoT) initiatives. Its compatibility with a broad range of three-phase induction motors ensures flexibility in motor selection and potential upgrades. The energy-saving benefits derived from precise speed control contribute to long-term operational cost reduction. INVT's commitment to product development also suggests potential firmware updates that can enhance functionality and efficiency over the product's lifecycle, providing continued value.

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Frequently Asked Questions (FAQs)

Q1: What is the primary advantage of the INVT GD10-0R7G-S2-B's brake function?

The integrated brake function allows for rapid and controlled stopping of the motor, which is critical for positioning accuracy.

It enables secure holding of loads in applications like vertical movement, preventing unwanted drift.

This feature simplifies system design by eliminating the need for external braking components.

Q2: Can this VFD be used with a single-phase motor?

No, the GD10-0R7G-S2-B is designed to control three-phase motors.

It takes a single-phase input power supply but converts it to a three-phase output for the motor.

Ensure your motor is rated for the 200-240V three-phase output provided by this VFD.

Q3: What is the maximum power rating of the INVT GD10-0R7G-S2-B?

The VFD has a rated power of 0.75 kW, which is equivalent to 1 horsepower.

This power rating makes it suitable for small to medium-sized motor applications.

Always match the motor's power requirement to the VFD's capacity for optimal performance.

Q4: How do I connect the motor to the INVT GD10-0R7G-S2-B?

Connect the motor's three output terminals to the U, V, and W terminals on the VFD.

Ensure the motor is a three-phase induction motor compatible with the VFD's output voltage.

Verify wiring polarity and torque connections to prevent damage or operational issues.

Q5: Is RS485 communication supported for remote control?

Yes, the GD10-0R7G-S2-B is equipped with an RS485 port for Modbus RTU communication.

This allows for integration with PLCs, HMIs, and SCADA systems for remote monitoring and control.

Refer to the communication protocol manual for specific Modbus register addresses and commands.

Q6: What types of control modes does this VFD offer?

It supports V/f (Voltage/Frequency) control for general-purpose applications.

It also features sensorless vector control for improved torque performance and speed regulation.

The selection of control mode depends on the specific motor characteristics and application requirements.

Q7: What is the typical IP rating and mounting method for this VFD?

The product has an IP20 protection rating, suitable for indoor industrial environments.

It can be mounted directly on a wall using its integrated mounting holes.

It also supports DIN rail mounting for easier integration into control cabinets.

Q8: What happens if an overcurrent fault (E.OC) occurs?

An overcurrent fault indicates that the motor is drawing more current than the VFD can safely supply.

This can be caused by motor overload, short circuits, or improper acceleration/deceleration settings.

Check the motor load, verify motor wiring, and review VFD parameters related to acceleration time.

Q9: Can this VFD be used in humid or dusty environments?

The IP20 rating means it is protected against solid objects larger than 12.5mm but offers no protection against water.

It is best suited for clean, dry indoor industrial environments.

Avoid installing in locations with high humidity, excessive dust, or corrosive gases.

Q10: What is the input power requirement for the GD10-0R7G-S2-B?

The VFD requires a 200-240V single-phase AC power supply.

It converts this single-phase input into a three-phase output to drive the motor.

Ensure your power source is stable and within the specified voltage range for reliable operation.