The INVT GD27-0R7G-S2-B Goodrive27 Simple Drive, a 0.75kW single-phase 220V VFD with an integrated braking transistor, offers a robust and efficient solution for variable speed control in a wide range of industrial applications. This compact and user-friendly drive is engineered for precise motor control, enhanced energy savings, and reliable operation, making it a compelling choice for machinery manufacturers and end-users alike. Its advanced features, including flexible I/O configurations and built-in protection mechanisms, ensure seamless integration and dependable performance.
Product Specifications
| Feature | Specification |
| :----------------------- | :-------------------------------------------- |
| Model | GD27-0R7G-S2-B |
| Rated Power | 0.75 kW |
| Input Voltage | Single Phase 220V |
| Output Voltage | Three Phase 220V |
| Output Frequency | 0-400 Hz |
| Control Method | V/f Control |
| Braking Unit | Built-in Braking Transistor |
| Overload Capacity | 150% for 60 seconds, 180% for 10 seconds |
| Protection Functions | Overvoltage, undervoltage, overload, overheat, short circuit, etc. |
| Dimensions (H x W x D) | 146 x 72 x 126 mm |
| Mounting | Wall-mounted or DIN rail |
Core Features & Market Positioning
The INVT GD27-0R7G-S2-B distinguishes itself through its intuitive design and reliable performance, positioning it as a go-to solution for basic variable speed control needs. Its integrated braking transistor is a significant advantage, simplifying installation by eliminating the need for an external braking unit for many applications requiring dynamic braking. This feature, combined with its robust overload capacity, ensures consistent performance even under demanding conditions. The drive employs a sophisticated V/f control algorithm, providing accurate speed regulation for induction motors. Its compact footprint and flexible mounting options further enhance its appeal for applications where space is limited, such as on machine tools, packaging equipment, and conveyor systems. The Goodrive27 series is known for its cost-effectiveness without compromising on essential functionality.
Key Application Scenarios
This 0.75kW VFD is ideally suited for a multitude of industrial automation tasks where precise speed adjustment and energy efficiency are paramount. Common applications include driving fans and pumps, where variable speed control can lead to substantial energy savings compared to fixed-speed operation. It is also widely used in material handling systems, such as conveyors and small cranes, providing smooth acceleration and deceleration. The inclusion of a braking transistor makes it particularly effective for applications requiring frequent stops or load holding, like packaging machinery and textile equipment. Furthermore, its single-phase input and three-phase output capability make it an excellent choice for small workshops or retrofitting older machinery that may only have single-phase power available.
Practical System Integration Guidance
Integrating the INVT GD27-0R7G-S2-B into existing systems is straightforward due to its user-friendly interface and standard terminal configurations. For installation, ensure the drive is mounted in a clean, well-ventilated area, adhering to the specified clearance distances to prevent overheating. The single-phase 220V input power should be connected to terminals L and N, while the motor is connected to terminals U, V, and W. For applications requiring braking, the external resistor (if used, capacity to be calculated based on duty cycle and motor power) connects to the brake terminals BR+ and BR-. Basic parameter setup involves configuring the motor data (e.g., rated voltage, current, frequency) and selecting the desired control mode. Advanced settings, such as acceleration/deceleration times and V/f curves, can be fine-tuned through the keypad or serial communication for optimal performance.
Operation and Risk Mitigation
Operating the INVT GD27-0R7G-S2-B involves understanding its basic functions and protective measures. The drive features comprehensive protection against common electrical faults, including overvoltage, undervoltage, motor overload, and over-temperature. These safeguards minimize the risk of damage to both the drive and the connected motor. In case of a fault, the drive will typically display an error code on its front panel, allowing for quick diagnosis. Common error codes, such as E.01 (Overvoltage) or E.02 (Undervoltage), indicate power supply issues, while E.03 (Overload) suggests the motor is drawing too much current. It is crucial to ensure that the motor's nameplate data is accurately programmed into the drive and that the motor is appropriately sized for the load to prevent persistent overload faults. Always disconnect power before performing any wiring or maintenance.
Scalability & Long-Term Value
The Goodrive27 series offers a degree of scalability and long-term value, particularly for manufacturers of equipment. While the GD27-0R7G-S2-B is designed as a simple drive, INVT's broader product portfolio includes more advanced VFDs that can accommodate larger motor sizes, more complex control strategies, and enhanced communication protocols like Modbus. This allows for a standardized approach across different product lines, facilitating design flexibility and future upgrades. The robust construction and established reliability of INVT drives contribute to a long operational lifespan, reducing the total cost of ownership. For integration into Industry 4.0 initiatives, INVT offers communication modules that can enable remote monitoring and control, aligning with the trend towards smart manufacturing and IIoT.
Frequently Asked Questions
What are the primary benefits of using the INVT GD27-0R7G-S2-B?
This drive offers excellent motor control. It provides significant energy savings for applicable loads. The integrated braking transistor simplifies installation and reduces component count.
It allows for precise speed adjustment. This enhances process efficiency and product quality. The compact design saves valuable panel space.
Its robust protection features ensure reliable operation. This minimizes downtime and maintenance costs. It's a cost-effective solution for many applications.
How do I connect a motor to the INVT GD27-0R7G-S2-B?
Connect the three motor leads to terminals U, V, and W. Ensure correct phase sequence for standard motor rotation. Use appropriate gauge wiring for the motor's current rating.
For single-phase input, connect L to L and N to N. Verify the input voltage matches the drive's rating (220V). Always disconnect power before making connections.
Double-check all connections for security. Refer to the drive's manual for detailed wiring diagrams. Proper wiring is critical for safe and efficient operation.
What is the function of the built-in braking transistor?
The braking transistor allows for dynamic braking. It dissipates excess energy when the motor decelerates. This helps to stop the motor quickly and safely.
It connects to an external braking resistor. This resistor absorbs the generated energy. It prevents motor overvoltage during deceleration.
This integrated feature simplifies system design. It reduces the need for external braking components. It's crucial for applications with frequent stops.
Can this drive control a three-phase motor from a single-phase supply?
Yes, this is a key feature of the GD27-0R7G-S2-B. It converts single-phase 220V AC input to three-phase 220V AC output. This is ideal for many industrial motors.
This capability allows older three-phase equipment to be used. It's also beneficial where only single-phase power is available. Ensure the motor's power rating is within the drive's capacity.
The output is not a pure sine wave but is suitable for induction motors. Performance may vary slightly compared to a true three-phase supply.
What are common fault codes for the INVT GD27-0R7G-S2-B?
E.01 typically indicates an overvoltage fault. This can happen during deceleration or with a high input voltage. Check the input power supply stability.
E.03 usually signifies an overload fault. The motor is drawing too much current. Verify motor parameters are correctly set and the load is appropriate.
Other codes like E.02 (undervoltage) or E.04 (overheating) point to specific issues. Consult the user manual for a complete list and troubleshooting steps.
How do I set up the basic parameters for motor operation?
Input the motor's rated voltage, frequency, and power. Enter the rated current and speed from the motor nameplate. These parameters are crucial for accurate control.
Configure the acceleration and deceleration times. Set the desired running frequency or speed reference. Test run the motor at a reduced speed first.
Refer to the INVT Goodrive27 manual for detailed parameter descriptions. Correct parameterization is essential for optimal performance and protection.
What is the maximum motor power this drive can handle?
This specific model, the GD27-0R7G-S2-B, is rated for 0.75 kW. This corresponds to approximately 1 horsepower. It is designed for motors up to this power output.
Exceeding the rated power can lead to overload faults or damage. Always match the drive's capacity to the motor's requirements. Check the motor's full-load current.
For higher power motors, a different INVT drive model would be necessary. INVT offers a range of drives for various power levels and applications.
What types of motors can be controlled by this VFD?
This drive is designed to control standard three-phase AC induction motors. It utilizes V/f control for speed regulation. Ensure your motor is suitable for variable frequency drives.
The output voltage is 220V three-phase. The motor's voltage rating should match this. It is not designed for permanent magnet motors or servo motors.
Always verify the motor's compatibility with VFDs. Consult the motor manufacturer if unsure. This ensures optimal performance and longevity.
Where can I find the user manual for the INVT GD27-0R7G-S2-B?
The user manual is typically available on the official INVT website. Search for "INVT Goodrive27 user manual" or the specific model number. Downloadable PDF versions are common.
You may also find the manual included with the product packaging. If purchased through a distributor, they might provide a link or a hard copy. Always use the manual relevant to your drive version.
The manual contains critical information on installation, wiring, parameter settings, and troubleshooting. It is an indispensable resource for proper operation and maintenance.
Is this drive suitable for use in high-temperature environments?
The drive has an operating temperature range, typically specified in its manual. Common limits are around 40°C or 50°C ambient temperature. Operation outside this range can cause issues.
Adequate ventilation is crucial to maintain the drive's internal temperature. Ensure there is sufficient space around the drive for airflow. Consider forced ventilation if needed.
Extended operation at the upper temperature limits can reduce the drive's lifespan. Always adhere to the environmental specifications for reliable performance.