DANFOSS FC-051P3K0T4E20HXBXCXXXSXXX 3kW 480V Three Phase FC-051 Inverter

The DANFOSS FC-051P3K0T4E20HXBXCXXXSXXX 3kW 480V Three Phase FC-051 Inverter is a robust variable frequency drive engineered for demanding industrial applications. This inverter offers precise motor control, enhanced energy efficiency, and reliable operation, making it a superior choice for optimizing machinery performance across various sectors. Its advanced features and compact design facilitate seamless integration into existing systems, ensuring maximum uptime and productivity.

Product Specifications

| Feature                | Specification                                    |

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

| Model Number           | FC-051P3K0T4E20HXBXCXXXSXXX                      |

| Power Rating           | 3 kW                                             |

| Voltage                | 480V                                             |

| Phase                  | Three Phase                                      |

| Series                 | FC-051                                           |

| Protection Class       | IP20 (Standard)                                  |

| Output Frequency Range | 0 to 590 Hz                                      |

| Control Methods        | V/f, Vector Control (Advanced)                   |

| Input/Output Terminals | Configurable Digital and Analog                  |

| Communication Options  | Built-in options (e.g., Modbus RTU)              |

| Operating Temperature  | -10°C to +50°C (derating may apply)              |

| Dimensions (H x W x D) | Varies by frame size, consult datasheet          |

Core Features & Market Positioning

The DANFOSS FC-051P3K0T4E20HXBXCXXXSXXX distinguishes itself through its advanced control algorithms, offering both V/f and advanced closed-loop vector control. This precise motor management capability optimizes torque delivery and speed regulation, crucial for applications requiring dynamic response and consistent performance. The FC-051 series is positioned as a versatile and cost-effective solution for original equipment manufacturers (OEMs) and end-users seeking reliable motor control without compromising on advanced functionality. Its compact footprint and robust construction are hallmarks of Danfoss's commitment to industrial-grade durability and ease of installation.

Key Application Scenarios

This 3kW, 480V three-phase inverter is ideally suited for a wide array of industrial applications. It excels in controlling pumps and fans in HVAC systems, water treatment plants, and general industrial ventilation, where precise flow and pressure control are paramount for energy savings and operational efficiency. Furthermore, its robust torque capabilities make it suitable for conveyors, mixers, and machine tools in manufacturing environments. The FC-051's ability to handle fluctuating loads and maintain stable motor speeds ensures optimal performance in variable speed drives for process automation.

Practical System Integration Guidance

Integrating the DANFOSS FC-051P3K0T4E20HXBXCXXXSXXX into an industrial setup involves careful consideration of power, control, and communication wiring. Ensure the input power supply (480V, three-phase) is correctly connected to the main power terminals, observing polarity and grounding requirements. Motor connections should utilize shielded cables to minimize electromagnetic interference, especially in electrically noisy environments. For optimal performance, parameterize the drive according to motor nameplate data and application requirements; this includes setting motor poles, rated current, and the desired control mode (V/f or vector). Utilize the available digital and analog I/O for external control signals (start/stop, speed reference) and feedback. Establish communication links, such as Modbus RTU, using appropriate cabling and termination resistors if required for network integration.

Operation and Risk Mitigation

Safe operation of the DANFOSS FC-051P3K0T4E20HXBXCXXXSXXX mandates adherence to electrical safety standards and the product's operating manual. Always ensure power is disconnected and locked out before performing any wiring or maintenance. Avoid operating the drive in environments exceeding its specified temperature or humidity limits to prevent overheating and potential component failure. Common operational issues, such as motor overload or speed deviations, can often be resolved by reviewing the drive's fault codes and diagnostic parameters. For instance, fault code F001 typically indicates a motor overload, prompting a review of motor current settings or load conditions. Regularly inspect power and motor connections for signs of wear or corrosion to maintain system integrity.

Scalability & Long-Term Value

The FC-051 series, including the FC-051P3K0T4E20HXBXCXXXSXXX, offers a degree of scalability and long-term value through its compatibility with Danfoss's broader control ecosystem and support for common industrial communication protocols. While this specific unit is rated for 3kW, larger or smaller drives within the FC-051 or related Danfoss series can be integrated into networked systems for centralized monitoring and control. Its support for protocols like Modbus RTU facilitates integration with Programmable Logic Controllers (PLCs) and SCADA systems, enabling advanced diagnostics and IIoT connectivity for predictive maintenance and operational analytics. This ensures that investments in Danfoss VFD technology can grow and adapt with evolving industrial automation strategies.

FAQs

1. What are the primary benefits of using the DANFOSS FC-051P3K0T4E20HXBXCXXXSXXX inverter?

This inverter offers precise motor speed and torque control. It significantly enhances energy efficiency by matching motor output to load demands. The robust design ensures high reliability and a long operational lifespan in industrial settings.

Its advanced control features allow for optimized performance in challenging applications. This leads to reduced wear on machinery and lower maintenance costs. The compact size facilitates easier installation in space-constrained environments.

Users benefit from lower operational expenses due to reduced energy consumption. It also provides enhanced process control, leading to improved product quality and throughput. The drive's flexibility supports a wide range of motor types and applications.

2. How do I correctly wire the DANFOSS FC-051P3K0T4E20HXBXCXXXSXXX inverter for a three-phase motor?

Connect the three-phase AC input power (L1, L2, L3) to the drive's main power input terminals. Ensure proper grounding of the drive and the motor for safety and noise reduction. Use shielded motor cables for connections between the inverter output terminals (T1, T2, T3) and the motor.

Follow the wiring diagram in the user manual precisely. Ensure all connections are secure and that no wires are pinched or damaged. The motor's earth connection should be robust and connected to the drive's grounding terminal.

Consider the cable length and gauge for both power and motor connections. Longer cable runs may require adjustments to motor parameters or the use of output filters to mitigate voltage spikes and motor insulation stress.

3. What are common fault codes for the DANFOSS FC-051P3K0T4E20HXBXCXXXSXXX and how can I resolve them?

Fault code F001 typically indicates an overload condition. Check the motor's current draw and ensure it does not exceed the drive's or motor's rated capacity. Verify motor connections and inspect for mechanical binding in the driven equipment.

Fault code F002 often signifies an overvoltage condition during operation or braking. Ensure the DC bus voltage does not exceed the drive's limits, which may require an external braking resistor or regeneration unit for high-inertia loads.

Fault code F003 commonly points to an undervoltage condition. Verify the incoming AC power supply is stable and within the drive's acceptable voltage range. Check all power connections for looseness or damage.

4. Can the DANFOSS FC-051P3K0T4E20HXBXCXXXSXXX be used for applications requiring precise speed regulation or closed-loop control?

Yes, this inverter supports advanced closed-loop vector control. This mode provides excellent speed regulation even with varying loads. It requires feedback from an encoder mounted on the motor.

The V/f control mode is suitable for simpler applications where precise speed is less critical. It can maintain a desired speed profile without external feedback. However, vector control offers superior dynamic response and torque accuracy.

For applications demanding high accuracy, such as robotics or precision machine tools, closed-loop vector control is recommended. Ensure the encoder is correctly wired and configured in the drive parameters for optimal performance.

5. What is the typical power factor of the DANFOSS FC-051P3K0T4E20HXBXCXXXSXXX at different load levels?

At full load, this inverter typically operates with a power factor close to unity when using its advanced control modes. This high power factor minimizes reactive power draw from the supply. It contributes to overall system efficiency.

At partial loads, the power factor may slightly decrease but remains generally favorable due to the drive's internal design. Danfoss inverters are engineered to maintain good power quality across their operating range. This reduces harmonic distortion.

Users can monitor the power factor via the drive's display or communication interface. Understanding the power factor helps in managing electrical utility costs and ensuring compliance with power quality regulations.

6. How do I set up motor parameters for the DANFOSS FC-051P3K0T4E20HXBXCXXXSXXX?

Access the parameter menu and locate the motor data settings. Input the motor's rated voltage, current, power (kW or HP), frequency, and number of poles as per its nameplate. Correctly setting these parameters is vital for accurate motor control.

For vector control, additional parameters like stator resistance and leakage inductance may need to be entered or auto-tuned. The auto-tune function can significantly simplify this process. Perform the auto-tune with the motor disconnected from the load if possible.

Always refer to the specific user manual for the FC-051 series for detailed parameter descriptions and recommended settings. Incorrect motor parameters can lead to poor performance, overheating, or drive faults.

7. What are the environmental operating conditions recommended for this inverter?

The DANFOSS FC-051P3K0T4E20HXBXCXXXSXXX is designed for operation within an ambient temperature range of -10°C to +50°C. Temperatures above 40°C may require derating the drive's output current. Ensure adequate ventilation.

Humidity levels should be kept within acceptable limits, typically below 95% non-condensing. Avoid installing the drive in areas prone to excessive dust, corrosive fumes, or flammable materials. Proper enclosure can mitigate these risks.

The inverter should be installed in a location free from excessive vibration and shock. Consider the IP rating of the enclosure if installed in a harsh environment. Regular cleaning of ventilation slots is recommended.

8. Does this inverter support communication protocols for integration into industrial automation systems?

Yes, the FC-051 series typically supports common fieldbus protocols. Modbus RTU is often built-in, allowing for easy integration with PLCs and SCADA systems. Optional communication modules may be available for other protocols like Profibus or EtherNet/IP.

Integrating via a communication protocol enables remote monitoring and control of the drive. It also allows for parameter configuration, fault diagnostics, and data logging. This is crucial for modern smart factory environments.

When setting up communication, ensure correct wiring, termination, and address configuration. Consult the communication protocol manual for specific setup instructions and supported commands.

9. What is the typical energy savings achievable with the DANFOSS FC-051P3K0T4E20HXBXCXXXSXXX compared to a direct-on-line starter?

Energy savings can be substantial, especially in variable load applications like pumps and fans. By reducing motor speed to match demand, energy consumption can decrease significantly, often by 30-60% or more. This depends heavily on the application profile.

The inverter achieves savings by precisely controlling motor speed instead of using mechanical throttling or bypass systems. This avoids wasted energy that would otherwise be dissipated as heat or friction. The savings compound over the equipment's lifespan.

Actual savings depend on factors like operating hours, load profile, and the efficiency of the driven machinery. A detailed energy audit of the specific application is recommended to quantify potential savings accurately.

10. What is the IP rating of the DANFOSS FC-051P3K0T4E20HXBXCXXXSXXX, and what does it mean for installation?

The standard IP rating for this inverter is IP20. This signifies protection against solid objects larger than 12.5 mm (e.g., a finger) but offers no protection against water ingress. It is suitable for installation within control cabinets.

When installed in an IP20-rated enclosure, the drive is protected from accidental contact and moderate dust. The enclosure must provide adequate ventilation to maintain the drive's operating temperature within specified limits.

For installations in environments where water or dust is a concern, consider housing the IP20 drive within a higher-rated enclosure (e.g., IP54 or IP66) or selecting a Danfoss inverter model with a higher inherent IP rating if available.