INVT GD27-0R7G-4-B Goodrive27 Compact Inverter 0.75kW Three Phase 400V Integrated Brake Unit

The INVT GD27-0R7G-4-B Goodrive27 Compact Inverter, a 0.75kW three-phase 400V unit with an integrated brake unit, stands as a robust and efficient solution for precise motor control across various industrial applications. This inverter excels due to its compact design, advanced control algorithms, and integrated braking functionality, which enhances safety and performance in demanding environments. Its key technical specifications include a power rating of 0.75kW, an input voltage of 400V three-phase, and an output current capacity suitable for its power rating, making it ideal for a wide range of machinery. The integrated brake unit provides immediate stopping power, crucial for applications requiring rapid deceleration or holding torque.

Product Specifications

| Feature                 | Specification                               |

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

| Model               | INVT GD27-0R7G-4-B                          |

| Product Series      | Goodrive27 Compact Inverter                 |

| Power Rating        | 0.75 kW                                     |

| Input Voltage       | 400V Three Phase                            |

| Output Voltage      | 400V Three Phase                            |

| Integrated Features | Brake Unit                                  |

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

| Protection Level    | IP20                                        |

| Mounting Type       | Wall/Din Rail Mount                         |

| Cooling Method      | Forced Air Cooling                          |

Core Features & Market Positioning

The INVT GD27-0R7G-4-B Goodrive27 positions itself as a highly competitive offering in the compact inverter market by integrating essential functionalities, such as the brake unit, directly into the chassis. This integration not only reduces the overall footprint and installation complexity but also eliminates the need for external braking resistors in many applications, leading to cost savings. Its advanced vector control capabilities ensure excellent torque accuracy and dynamic response, even at low speeds, differentiating it from simpler V/f control inverters. The robust build quality and adherence to international standards underscore its reliability in industrial settings, making it a preferred choice for OEMs and end-users seeking dependable motor control solutions.

Key Application Scenarios

This INVT GD27-0R7G-4-B inverter finds its optimal use in applications where precise speed and torque control, coupled with reliable braking, are paramount. It is exceptionally well-suited for variable torque applications like fans and pumps, where energy efficiency is a significant factor. Furthermore, its integrated brake unit makes it an excellent choice for machinery requiring precise positioning and safe stopping, such as conveyors, packaging machines, and small-scale material handling equipment. Industries benefiting from this inverter include food processing, textiles, and general manufacturing, where consistent performance and safety are critical operational requirements.

Practical System Integration Guidance

Integrating the INVT GD27-0R7G-4-B into an existing system is streamlined due to its compact form factor and straightforward terminal layout. For installation, ensure adequate ventilation around the unit to maintain optimal operating temperatures, typically requiring a minimum clearance of 50mm on all sides. Wiring connections for power input, motor output, and control signals should follow the diagrams provided in the official INVT GD27 manual, paying close attention to grounding for safety and noise reduction. The integrated brake unit requires specific wiring for its activation and deactivation, often controlled by a dedicated digital output from the inverter, synchronized with motor operation to ensure safe and immediate braking when needed. Basic parameter configuration, such as motor data, acceleration/deceleration times, and braking settings, can be accessed via the intuitive keypad or through INVT's configuration software for more advanced tuning.

Operation and Risk Mitigation

Operating the INVT GD27-0R7G-4-B involves understanding its parameter settings to achieve optimal motor performance and longevity. Critical parameters include motor overload protection settings, which must be adjusted according to the motor's nameplate data to prevent damage. The integrated brake unit's operation should be carefully configured to avoid premature wear or unexpected engagement; setting appropriate delays for brake release upon motor startup and engagement upon stop commands is crucial. Common error codes, such as OC (Overcurrent), OV (Overvoltage), and UV (Undervoltage), indicate electrical disturbances or system issues that require immediate attention and diagnosis. Referencing the product manual for specific fault code explanations and troubleshooting steps is essential for safe and effective operation, ensuring the inverter and connected machinery are protected from damage.

Scalability & Long-Term Value

The INVT GD27-0R7G-4-B offers significant long-term value through its compatibility and potential for integration within larger automation systems. While a compact unit, it supports various communication protocols (depending on optional modules) that allow it to be integrated into SCADA systems or PLCs for centralized monitoring and control, aligning with Industry 4.0 initiatives. This enables remote diagnostics and parameter adjustments, enhancing operational efficiency. For applications requiring higher power or more specialized control features, INVT's broader Goodrive series provides a clear upgrade path, ensuring that a customer's investment in INVT technology can scale with their evolving production needs without requiring a complete system overhaul.

FAQs

1. What are the primary advantages of the INVT GD27-0R7G-4-B?

This inverter offers a compact design, simplifying installation in space-constrained environments. Its integrated brake unit provides enhanced safety and precise stopping capabilities. The advanced control modes ensure efficient motor operation and dynamic response.

2. How do I connect the motor to the INVT GD27-0R7G-4-B?

Connect the motor's three-phase output terminals (U, V, W) to the corresponding motor terminals on the inverter. Ensure correct phasing for proper motor rotation. Always consult the wiring diagram in the manual for specific connections and safety precautions.

3. What is the power rating and input voltage of the GD27-0R7G-4-B?

The inverter has a power rating of 0.75 kW, making it suitable for smaller to medium-sized motor loads. It operates on a three-phase 400V input power supply. This robust voltage rating ensures reliable performance in industrial settings.

4. Can the INVT GD27-0R7G-4-B be used for high-inertia loads?

Yes, its vector control capability allows for good torque control at low speeds, which is beneficial for high-inertia loads. The integrated brake unit further aids in stopping and holding such loads effectively. Proper parameter tuning is essential for optimal performance.

5. What safety features are included in the Goodrive27 inverter?

Key safety features include overcurrent, overvoltage, and undervoltage protection. The integrated brake unit offers crucial braking safety functions. It also provides motor overload protection to prevent thermal damage.

6. How do I program the integrated brake unit on the GD27-0R7G-4-B?

Brake unit programming involves setting digital output parameters to control brake engagement and disengagement. Configure timing for brake release during acceleration and engagement during deceleration or stop commands. Refer to the manual for specific parameter numbers and logic.

7. What are common troubleshooting steps for the INVT GD27-0R7G-4-B?

First, check power supply connections and voltage levels. Verify motor wiring for shorts or open circuits. Review error codes displayed on the inverter panel and consult the manual for detailed troubleshooting guidance.

8. Is the INVT GD27-0R7G-4-B suitable for fan and pump applications?

Absolutely. Its variable frequency drive capabilities are ideal for optimizing fan and pump speeds to match system demand, leading to significant energy savings. The V/f control is a common and effective mode for these applications.

9. What is the IP rating of this compact inverter?

The INVT GD27-0R7G-4-B has an IP20 protection rating. This means it is protected against solid objects larger than 12.5mm but offers no protection against water ingress. It is designed for installation in control cabinets or protected environments.

10. Can this inverter be integrated into a network system?

Yes, with optional communication modules, the GD27-0R7G-4-B can be integrated into industrial networks like Modbus or Profibus. This allows for remote control, monitoring, and diagnostics within a larger automation setup.