DANFOSS FC-360H18KT4E20H2BXCDXXSXXXXAXBX 18.5kW VLT Automation Drive FC-360 3AC 480V

The DANFOSS FC-360H18KT4E20H2BXCDXXSXXXXAXBX, an 18.5kW VLT Automation Drive, stands as a robust solution for demanding industrial applications, offering exceptional control and efficiency for 3-phase AC motors operating at 480V. This drive distinguishes itself with integrated features designed for seamless integration and superior performance in a wide array of automation systems. Its core advantages lie in its advanced motor control capabilities, energy-saving potential, and a compact, user-friendly design that simplifies installation and maintenance. Key technical parameters include its 18.5 kW power rating, 480V input voltage, and a 3-phase AC output, making it a versatile choice for heavy-duty operations.

Product Specifications

| Parameter               | Value                                      |

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

| Model Number            | FC-360H18KT4E20H2BXCDXXSXXXXAXBX           |

| Power Rating            | 18.5 kW                                    |

| Input Voltage           | 3 x 480V AC                                |

| Output Voltage          | 0-480V AC                                  |

| Frame Size              | H                                          |

| Enclosure Class         | IP20 (Chassis)                             |

| Communication Options   | Integrated fieldbus (e.g., Profibus, EtherNet/IP) |

| Control Method          | V/f, Sensorless Vector, Closed-Loop Vector |

| Braking Options         | Integrated braking chopper                 |

| Ambient Temperature     | -20°C to +50°C (derating may apply)         |

| Certifications         | CE, UL, cUL                              |

Core Features & Market Positioning

The DANFOSS FC-360H18KT4E20H2BXCDXXSXXXXAXBX is positioned as a high-performance automation drive engineered for reliability and efficiency in challenging industrial environments. Its advanced control algorithms, including sensorless vector control, provide precise motor speed and torque regulation, even under fluctuating loads. This drive is designed to optimize energy consumption by precisely matching motor output to application demand, leading to significant operational cost savings. The robust construction and comprehensive feature set, such as integrated braking capabilities and flexible communication options, underscore its suitability for mission-critical applications where downtime is unacceptable. Danfoss's reputation for quality and innovation further solidifies the FC-360's market standing as a dependable and technologically advanced variable speed drive.

Key Application Scenarios

This 18.5kW VLT Automation Drive is ideally suited for a broad spectrum of industrial applications requiring precise motor control and energy efficiency. It excels in pump and fan applications within HVAC systems, wastewater treatment plants, and building automation, where variable speed operation can lead to substantial energy savings. In material handling, such as conveyor systems and cranes, its robust torque control ensures smooth acceleration and deceleration. The drive is also a strong contender for mixers, extruders, and other processing equipment in the manufacturing sector, where consistent speed and torque are paramount for product quality. Furthermore, its ability to handle dynamic loads makes it suitable for applications in the printing and packaging industries.

Practical System Integration Guidance

Integrating the DANFOSS FC-360H18KT4E20H2BXCDXXSXXXXAXBX into existing systems is streamlined by its user-friendly interface and comprehensive connectivity options. Proper wiring is crucial; ensure the main power supply (3 x 480V AC) is connected to the L1, L2, and L3 terminals, and the motor is connected to T1, T2, and T3. For control signals, utilize the designated digital and analog input terminals for start/stop commands, speed references, and feedback. Configuration typically involves setting motor parameters (pole count, rated current, nominal frequency) and selecting the appropriate control mode (V/f, sensorless vector, or closed-loop vector) via the drive's keypad or software tools like Danfoss's VLT® MCT 10 software. For network communication, ensure the appropriate fieldbus module is installed and configured according to the specific protocol (e.g., Profibus DP, EtherNet/IP). Always consult the drive's manual for detailed wiring diagrams and parameter settings specific to your application.

Operation and Risk Mitigation

Safe operation of the DANFOSS FC-360H18KT4E20H2BXCDXXSXXXXAXBX requires adherence to all electrical safety standards and proper commissioning procedures. Before powering up, verify all connections are secure and that the motor is correctly wired and rated for the drive's output. During operation, monitor drive parameters such as motor temperature, current, and voltage to detect any anomalies. Key fault codes to be aware of include Overcurrent (F001), Overvoltage (F002), Undervoltage (F003), and Overtemperature (F004), each indicating specific issues that need immediate attention. Implementing proper grounding and ensuring adequate ventilation around the drive unit are critical for preventing overheating and electrical hazards. Regular maintenance, including cleaning ventilation filters, can mitigate the risk of premature failure.

Scalability & Long-Term Value

The DANFOSS FC-360H18KT4E20H2BXCDXXSXXXXAXBX offers significant long-term value through its inherent scalability and compatibility with evolving industrial automation trends. Its modular design allows for the addition of various fieldbus communication modules, ensuring seamless integration with different PLC systems and higher-level control platforms, including IIoT and Industry 4.0 initiatives. This adaptability means the drive can remain a core component of your automation infrastructure even as communication protocols and system architectures change. Furthermore, the drive's energy-saving capabilities contribute to a lower total cost of ownership over its lifespan. Danfoss's commitment to ongoing software updates and robust technical support ensures that users can maximize the drive's performance and longevity.

Frequently Asked Questions

1. What are the primary benefits of using the DANFOSS FC-360H18KT4E20H2BXCDXXSXXXXAXBX?

This drive offers significant energy savings by precisely controlling motor speed. It also provides enhanced process control and improved machine performance through advanced motor control modes. The robust design ensures high reliability in demanding industrial settings.

The FC-360H18KT4E20H2BXCDXXSXXXXAXBX reduces mechanical stress on equipment by enabling soft starts and stops. Its compact size simplifies installation, especially in space-constrained environments. The drive's integrated features minimize the need for external components, lowering overall system cost.

Moreover, this Danfoss drive supports various communication protocols for easy integration into automated systems. Its user-friendly interface and programming options facilitate quick setup and parameter adjustments. The drive's durable construction guarantees a long operational lifespan.

2. How do I properly wire the DANFOSS FC-360H18KT4E20H2BXCDXXSXXXXAXBX for a 480V input?

Connect the 3-phase 480V AC power supply to terminals L1, L2, and L3 on the drive. Ensure the grounding terminal is securely connected to a reliable earth ground. The motor leads should be connected to terminals T1, T2, and T3.

Before powering up, double-check all connections for tightness and correct polarity. It is crucial to use appropriately sized cables and ensure they are rated for the voltage and current of the application. Always consult the official Danfoss FC-360 manual for detailed wiring diagrams.

For control wiring, use the designated digital and analog input terminals for functions like start/stop, speed reference, and external fault signals. Incorrect wiring can lead to drive damage or operational failure, so careful adherence to the manual is paramount.

3. What are the common motor control modes supported by this drive?

The drive supports the V/f (Voltage/Frequency) control mode, which is suitable for simple applications where precise torque control is not critical. Sensorless vector control offers excellent speed and torque regulation without the need for a motor encoder.

For applications requiring the highest precision in speed and torque, closed-loop vector control is available. This mode utilizes feedback from a motor encoder to achieve maximum dynamic performance and accuracy.

The selection of the appropriate control mode depends on the specific application requirements, such as the need for dynamic response, torque at low speeds, or energy efficiency optimization. Each mode offers distinct advantages for different industrial scenarios.

4. Can the DANFOSS FC-360H18KT4E20H2BXCDXXSXXXXAXBX be used in harsh environmental conditions?

The standard enclosure for this drive is IP20, which offers protection against solid objects larger than 12.5mm but no protection against water. It is designed for clean, dry indoor environments, typically within control cabinets.

For applications exposed to dust, moisture, or corrosive elements, external protection such as a suitable enclosure or cabinet is necessary. The drive's operating temperature range is -20°C to +50°C, but derating may be required at higher ambient temperatures.

Always assess the environmental conditions of the installation site and ensure adequate protection is provided to maintain the drive's performance and longevity. Proper ventilation is crucial even within a protective enclosure.

5. What are the typical fault codes and their meanings for the FC-360H18KT4E20H2BXCDXXSXXXXAXBX?

Common fault codes include F001 (Overcurrent), indicating that the motor current has exceeded the drive's limit. F002 (Overvoltage) and F003 (Undervoltage) relate to issues with the input power supply or DC bus voltage stability.

F004 (Overtemperature) signifies that the drive's internal temperature has exceeded safe operating limits, often due to poor ventilation or overload. F005 (Motor Overtemperature) is typically triggered by an external motor temperature sensor input.

Other codes relate to communication errors, internal hardware faults, or motor control issues. Refer to the comprehensive Danfoss FC-360 manual for a complete list of fault codes and detailed troubleshooting procedures for each.

6. How can I integrate this drive with a PLC system using fieldbus communication?

First, ensure the appropriate fieldbus communication option module is installed in the drive. Then, connect the drive to the PLC network using the correct cabling and connectors as specified by the fieldbus protocol (e.g., Profibus, EtherNet/IP).

Configure the drive's communication parameters, such as the node address and baud rate, to match the PLC network settings. You will also need to configure the PLC program to read drive status and send control commands via the fieldbus.

Consult the drive's manual and the fieldbus option module's documentation for specific configuration steps, including data mapping for I/O and parameters. This ensures seamless data exchange between the drive and the PLC.

7. What are the energy-saving features of the DANFOSS FC-360H18KT4E20H2BXCDXXSXXXXAXBX?

The primary energy-saving feature is variable speed control, allowing the motor to run only at the speed required for the application. This drastically reduces energy consumption compared to fixed-speed operation with mechanical throttling.

The drive incorporates advanced energy optimization functions that further reduce power consumption during light load conditions. These features adapt the motor's magnetic flux to minimize energy losses, even when the motor is not operating at full capacity.

Additionally, the drive's high efficiency at partial loads contributes to overall energy savings. By accurately matching motor output to demand, the FC-360 minimizes wasted energy, leading to significant operational cost reductions over time.

8. What is the typical service life and maintenance schedule for this drive?

The service life of the drive is highly dependent on the operating environment, load conditions, and maintenance practices. However, Danfoss drives are generally engineered for long-term reliability, with key components like cooling fans and capacitors having finite lifespans.

A recommended maintenance schedule includes regular visual inspections for dust accumulation and loose connections. Cooling fans should be checked for proper operation and replaced proactively, typically every 5-10 years, depending on operating hours and environment.

Capacitor lifetime is also temperature-dependent. In high-temperature environments, they may need replacement sooner. Following the manufacturer's guidelines for preventive maintenance is crucial for maximizing the drive's operational lifespan and preventing unexpected failures.

9. How does the DANFOSS FC-360H18KT4E20H2BXCDXXSXXXXAXBX handle motor braking?

The drive typically features an integrated braking chopper, which allows for dynamic braking by dissipating excess energy into an external braking resistor when the motor needs to decelerate quickly. This resistor absorbs the regenerative energy generated by the motor.

When a stop command is issued or a fault occurs, the drive can quickly brake the motor by applying this braking resistor. The size and resistance of the external braking resistor must be selected based on the motor's inertia and the required braking torque.

This braking capability is essential for applications where rapid stopping is required, such as in conveyor systems or hoists, ensuring safety and precise positioning. The drive's parameters can be configured to manage the braking intensity and response time.

10. What is the role of the "H" in the model number FC-360H18KT4E20H2BXCDXXSXXXXAXBX?

The "H" in the model number typically designates the frame size of the drive. Frame size "H" usually corresponds to a specific physical dimension and mounting configuration for the drive unit.

Different frame sizes are designed to accommodate varying power ratings and to fit within different types of control panel layouts. Understanding the frame size is crucial for physical installation and ensuring proper spacing for ventilation.

Consulting the Danfoss product documentation or the specific datasheet for the FC-360 series will provide precise details on what the "H" frame size entails regarding dimensions and mounting requirements. This ensures correct selection for any given application.