DANFOSS iC2-30FA3N04-12A0E20F4+ACBC 5.5kW 12A Three Phase 480V VFD

The DANFOSS iC2-30FA3N04-12A0E20F4+ACBC 5.5kW 12A Three Phase 480V VFD is a powerful and versatile variable frequency drive designed for demanding industrial applications. Boasting a 5.5kW power output and a 12A current rating, this VFD operates on a three-phase 480V power supply, offering robust performance and energy efficiency. Its advanced control algorithms ensure precise motor speed regulation, contributing to reduced energy consumption and extended equipment lifespan. The iC2 series from Danfoss is recognized for its reliability, user-friendly interface, and seamless integration into various automation systems, making it a preferred choice for original equipment manufacturers (OEMs) and system integrators alike.

Product Specifications

| Feature             | Specification                                   |

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

| Model Number        | iC2-30FA3N04-12A0E20F4+ACBC                      |

| Power Rating        | 5.5 kW                                          |

| Output Current      | 12 A                                            |

| Input Voltage       | 3-Phase, 480V                                   |

| Control Type        | Variable Frequency Drive (VFD)                  |

| Enclosure           | IP20 (Standard)                                 |

| Filtration          | Integrated RFI Filter (C2 Class)                |

| Braking             | Integrated Braking Chopper (for external resistor) |

| Communication       | Standard Modbus RTU (optional fieldbuses)       |

| Operating Temperature | -10°C to 50°C (derating above 40°C)             |

| Dimensions (H x W x D) | 285mm x 160mm x 170mm (approximate)             |

Core Features & Market Positioning

The DANFOSS iC2-30FA3N04-12A0E20F4+ACBC stands out in the industrial VFD market due to its advanced vector control capabilities, which provide superior motor performance and torque control even at low speeds. This differentiation is crucial for applications requiring precise positioning or high starting torque. The integrated RFI filter (C2 class) simplifies installation by reducing electromagnetic interference, a common concern in industrial environments. Danfoss's reputation for robust engineering and reliable components positions the iC2 series as a long-term, high-value solution, minimizing downtime and maintenance costs. Its compact design and flexible mounting options further enhance its appeal for OEMs looking to optimize panel space.

Key Application Scenarios

This 5.5kW VFD is exceptionally well-suited for a wide array of industrial applications where precise motor control and energy efficiency are paramount. It finds extensive use in pump and fan control, optimizing flow rates and reducing energy consumption in HVAC systems and water treatment plants. Conveyor systems in manufacturing and logistics benefit from the iC2's ability to manage variable speeds, ensuring smooth product flow and increased throughput. Furthermore, its robust torque control makes it ideal for extruders, mixers, and other machinery in the chemical, food and beverage, and plastics industries, where consistent process conditions are critical. The 480V three-phase configuration is standard for many heavy industrial settings.

Practical System Integration Guidance

Integrating the DANFOSS iC2-30FA3N04-12A0E20F4+ACBC into existing systems is streamlined by its user-friendly interface and comprehensive documentation. For installation, ensure proper ventilation and adherence to local electrical codes. Wiring involves connecting the three-phase input power to the line terminals, the motor to the output terminals, and grounding the drive securely. Commissioning typically involves parameter setup via the local control panel or a PC software tool. Key parameters to configure include motor data (rated power, voltage, current, frequency, poles) for optimal performance, and acceleration/deceleration ramps to prevent mechanical stress. The integrated braking chopper allows for the connection of an external braking resistor, crucial for applications with high inertia loads or frequent stopping requirements.

Operation and Risk Mitigation

Operating the DANFOSS iC2-30FA3N04-12A0E20F4+ACBC requires adherence to safety protocols to prevent electrical hazards and equipment damage. Always disconnect power before performing any wiring or maintenance. Common troubleshooting may involve checking parameter settings, motor connections, and ensuring the VFD is within its operational temperature limits. Critical error codes, such as 'Overcurrent' (often displayed as 'OC' or a specific code like 1.01) or 'Overtemperature' ('OT' or 1.03), indicate potential issues that need immediate attention, such as motor overload, insufficient cooling, or incorrect parameterization. Referencing the detailed user manual for specific fault code explanations and recommended actions is essential for safe and efficient operation.

Scalability & Long-Term Value

The DANFOSS iC2-30FA3N04-12A0E20F4+ACBC offers significant long-term value through its compatibility and potential for integration into evolving automation architectures. It supports standard communication protocols like Modbus RTU, allowing for straightforward integration into SCADA systems and PLCs for remote monitoring and control. Optional fieldbus adapters can enable seamless communication with various industrial networks, enhancing its versatility. This VFD is designed for reliability, minimizing the need for premature replacement and reducing total cost of ownership. The ability to fine-tune motor performance also leads to substantial energy savings over the operational life of the equipment, contributing to both economic and environmental sustainability.

Frequently Asked Questions (FAQs)

What are the primary advantages of the DANFOSS iC2-30FA3N04-12A0E20F4+ACBC VFD?

This VFD offers superior motor control with its advanced vector algorithms, ensuring precise speed and torque regulation for demanding applications. It also boasts an integrated RFI filter, simplifying installation and reducing electromagnetic interference in industrial settings.

The robust design and Danfoss's reputation for reliability translate into extended equipment lifespan and minimized operational downtime. Its energy-efficient operation leads to significant cost savings over the product's lifecycle.

The compact form factor and flexible mounting options allow for space optimization in control panels, which is a key advantage for OEMs and system integrators.

How do I wire the DANFOSS iC2-30FA3N04-12A0E20F4+ACBC VFD for a three-phase motor?

Connect the incoming three-phase power supply to terminals L1, L2, and L3 on the drive. Ensure proper grounding of the VFD and motor to safety standards.

Connect the three motor leads (U, V, W) to the corresponding output terminals on the VFD. Maintain correct phasing for motor rotation.

For braking applications, connect the external braking resistor to the dedicated braking terminals, typically labeled + and -. Always refer to the product manual for specific terminal designations.

What are the common applications for a 5.5kW, 480V three-phase VFD like the iC2-30FA3N04-12A0E20F4+ACBC?

This VFD is ideal for variable speed pump and fan applications in HVAC, water, and wastewater systems to optimize flow and save energy. It is also widely used in material handling systems, such as conveyors, to control speed and throughput.

Industrial machinery like extruders, mixers, and crushers benefit from the precise torque control the iC2 series provides, ensuring consistent process outputs. Its power rating and voltage are suitable for many general industrial automation tasks.

The 480V three-phase configuration makes it a standard choice for manufacturing plants, processing facilities, and other heavy industrial environments where such power is readily available.

What safety precautions should be taken when installing and operating this VFD?

Always ensure the main power supply to the VFD is completely de-energized and locked out before performing any wiring, maintenance, or parameter adjustments. Proper grounding of the VFD and connected equipment is critical for electrical safety.

Understand that the VFD's internal components can remain energized for several minutes after power loss due to discharge capacitors. Always wait for the recommended discharge time before accessing internal parts.

Follow all local electrical codes and regulations for industrial installations. Use appropriate personal protective equipment (PPE) during installation and maintenance procedures.

How can I connect the DANFOSS iC2-30FA3N04-12A0E20F4+ACBC to a PLC or SCADA system?

The VFD comes standard with Modbus RTU communication capabilities, which can be easily integrated into most PLC and SCADA systems using an RS-485 serial connection. Configure the Modbus parameters on both the VFD and the master control system.

For more advanced or specific network requirements, consider purchasing and installing optional fieldbus communication cards. These cards support protocols like Profibus, DeviceNet, EtherNet/IP, and PROFINET, enabling seamless integration into various industrial automation networks.

Ensure proper network cabling and termination are used according to the chosen communication protocol's specifications. Verify communication addresses and settings on both the VFD and the control system to establish a reliable data link.

What is the significance of the integrated braking chopper in this VFD?

The integrated braking chopper is designed to dissipate excess energy generated by the motor during deceleration or overhauling loads. This prevents the DC bus voltage within the VFD from exceeding its safe operating limits.

When a braking resistor is connected to the VFD's braking terminals, the chopper circuit actively engages to dump this excess energy into the resistor, converting it into heat. This controlled braking action is essential for applications with high inertia, rapid stopping requirements, or where the load might drive the motor.

Without an adequately sized braking resistor, the VFD may trip on an overvoltage fault, leading to an uncontrolled shutdown. Selecting the correct braking resistor value and wattage is crucial for effective and safe operation of the braking system.

How do I set up basic motor parameters for optimal performance?

Access the VFD's parameter menu and locate the motor data settings. Input the motor's nominal voltage, frequency, rated power (kW or HP), and full load amperage (FLA) accurately.

Enter the motor's number of poles or base speed, and if available, its rated speed. Correctly configuring these parameters ensures the VFD can accurately calculate slip and provide optimal torque and speed control.

For advanced control, perform an auto-tune function if supported by the VFD. Auto-tuning allows the VFD to measure motor characteristics and automatically adjust control parameters for maximum efficiency and performance.

What are common troubleshooting steps for an iC2-30FA3N04-12A0E20F4+ACBC VFD?

Begin by checking for any active fault codes displayed on the VFD's interface and consult the user manual for specific error descriptions and remedies. Common faults include overcurrent, overvoltage, undervoltage, and overtemperature.

Verify that all wiring connections are secure and correct, especially the motor and power supply connections. Ensure the motor is not experiencing mechanical issues that could lead to excessive current draw.

Review the VFD's parameter settings to confirm they are appropriate for the application and motor. Incorrect parameters are a frequent cause of operational problems and faults.

How does the integrated RFI filter benefit industrial installations?

The integrated RFI (Radio Frequency Interference) filter helps to suppress electromagnetic noise generated by the VFD during operation. This noise can interfere with other sensitive electronic equipment in close proximity, leading to malfunctions or data errors.

By meeting C2 class standards for RFI suppression, the drive reduces the need for external filtering components, simplifying installation and reducing overall system cost and complexity. This is particularly beneficial in control panels with multiple electronic devices.

Properly installed and grounded, the RFI filter ensures that the VFD operates reliably without causing disruptions to other critical automation systems, contributing to a more stable and predictable industrial environment.

Can this VFD be used for applications requiring frequent starting and stopping?

Yes, the DANFOSS iC2-30FA3N04-12A0E20F4+ACBC is designed for robust operation and can handle frequent motor starts and stops. Its advanced thermal management helps to prevent overheating during demanding duty cycles.

For applications with high inertia loads or those requiring rapid deceleration, it is crucial to utilize the integrated braking chopper along with an appropriately sized external braking resistor. This ensures safe and controlled stops and prevents overvoltage faults.

Proper parameterization of acceleration and deceleration ramps, along with braking control settings, is essential to minimize mechanical stress on the motor and driven equipment during frequent start-stop cycles.