YASKAWA CH70B4009ABBA CH700 Three Phase AC Drive Frequency Converter 9.2A 4kW

The YASKAWA CH70B4009ABBA CH700 Three Phase AC Drive Frequency Converter, rated at 9.2A and 4kW, stands as a robust solution for industrial motor control, offering precise speed regulation and enhanced energy efficiency. This VFD (Variable Frequency Drive) is engineered for demanding applications, providing reliable performance and advanced features that streamline operations and reduce mechanical stress on machinery. Its core advantages lie in its sophisticated control algorithms, robust construction, and user-friendly interface, making it a preferred choice for integrators and end-users seeking dependable motor management.

Product Specifications

| Feature              | Specification                                    |

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

| Model Number         | CH70B4009ABBA                                     |

| Series               | CH700                                            |

| Phase                | Three Phase                                      |

| Rated Current (A)    | 9.2A                                             |

| Rated Power (kW)     | 4kW                                              |

| Input Voltage Range  | 380-480V AC                                      |

| Output Frequency     | 0.0Hz to 400.0Hz                                 |

| Control Method       | V/f, Vector Control                               |

| Protection Class     | IP20                                             |

| Operating Temperature| -10°C to 50°C                                    |

| Dimensions (H x W x D)| [Specify dimensions if found]                    |

| Weight               | [Specify weight if found]                        |

Core Features & Market Positioning

The YASKAWA CH700 series, exemplified by the CH70B4009ABBA, distinguishes itself through its advanced Closed-Loop Vector Control, enabling superior torque control and speed precision even under fluctuating loads. This advanced control capability positions it as a high-performance drive suitable for applications demanding dynamic response and accurate positioning, such as conveyors, machine tools, and processing equipment. Its robust design ensures longevity in harsh industrial environments, and its energy-saving features contribute to reduced operational costs. The drive's integrated safety functions, including Safe Torque Off (STO), enhance operational safety, a critical consideration in modern industrial settings.

Key Application Scenarios

The versatility of the YASKAWA CH70B4009ABBA makes it ideal for a wide array of industrial applications. It excels in controlling the speed of pumps and fans in HVAC systems, optimizing energy consumption by matching motor output to demand. In material handling, its precise speed and torque control are crucial for smooth operation of conveyors, elevators, and cranes, preventing jerks and ensuring efficient product movement. The CH700 drive is also well-suited for machine tool applications like CNC machines and lathes, where accurate speed regulation is paramount for precision machining and surface finish quality. Its ability to handle variable torque loads makes it a strong candidate for mixers, extruders, and other process industry equipment.

Practical System Integration Guidance

Integrating the YASKAWA CH70B4009ABBA into existing systems is facilitated by its standard mounting options and clear terminal layouts. Proper wiring is essential for optimal performance and safety; ensure the drive is connected to a stable three-phase power source within the specified voltage range (380-480V AC) and that the motor is correctly phased. For commissioning, initial parameter setup involves defining motor data, acceleration/deceleration times, and control modes (V/f or Vector Control). The drive supports various communication protocols, enabling seamless integration with PLCs and SCADA systems for remote monitoring and control, simplifying advanced automation architectures.

Operation and Risk Mitigation

Safe operation of the YASKAWA CH70B4009ABBA requires adherence to electrical safety standards and proper grounding. Before applying power, verify all connections and ensure the motor is mechanically sound. The drive's diagnostic features, including status indicators and fault codes, are critical for troubleshooting. Common fault codes often relate to overcurrent, overvoltage, or motor thermal overload, prompting an inspection of the motor, load, or drive parameters. Implementing the Safe Torque Off (STO) function is a key risk mitigation strategy, preventing unexpected motor startup during maintenance or emergencies. Always consult the official Yaskawa documentation for detailed troubleshooting procedures and specific fault code explanations.

Scalability & Long-Term Value

The YASKAWA CH700 series is designed with scalability in mind, allowing for integration into larger, more complex automation systems. Its compatibility with various communication network options facilitates seamless connectivity with other industrial equipment and supervisory control systems. For organizations looking to embrace Industry 4.0 principles, the CH700 can be integrated into IIoT platforms, enabling advanced data collection for predictive maintenance and performance optimization. This forward-looking design ensures that the CH70B4009ABBA provides long-term value by supporting evolving industrial automation needs and offering a pathway to more intelligent manufacturing processes.

Frequently Asked Questions (FAQs)

What is the maximum motor size for the YASKAWA CH70B4009ABBA?

The CH70B4009ABBA is rated for 4kW, which typically corresponds to specific motor frame sizes and power ratings. Always cross-reference the drive's current and power output with your motor's nameplate data.

Ensure your motor's full load amperage (FLA) is less than or equal to the drive's 9.2A rating.

Consult the Yaskawa CH700 series manual for detailed motor compatibility charts and application limits.

How do I set up the YASKAWA CH70B4009ABBA for a new motor?

Initial setup involves entering the motor's nameplate details into the drive's parameters. This includes voltage, frequency, current, and power.

Select the appropriate control mode, such as V/f or vector control, based on your application's requirements for speed and torque accuracy.

Configure acceleration and deceleration times to ensure smooth starts and stops, preventing mechanical shock to the driven equipment.

What are the common fault codes for the YASKAWA CH700 series?

Common faults include overcurrent (OC), overvoltage (OV), and motor thermal overload (tH). These indicate issues with the motor, load, or wiring.

Drive faults like undervoltage (UV) or input phase loss (PF) suggest power supply problems or internal drive issues requiring investigation.

Referencing the specific fault code in the CH700 manual is crucial for accurate diagnosis and resolution.

Can the YASKAWA CH70B4009ABBA be used for single-phase motors?

No, the CH70B4009ABBA is designed for three-phase AC motors as it is a three-phase input and output drive.

Using a three-phase drive with a single-phase motor is not recommended and may lead to motor damage or drive failure.

For single-phase motor applications, a different type of variable speed drive specifically designed for single-phase motors would be required.

What is the difference between V/f control and Vector Control on this drive?

V/f control maintains a constant ratio between voltage and frequency, suitable for simple applications like fans and pumps.

Vector Control offers superior torque and speed regulation, especially at low speeds or under varying loads, ideal for precise applications.

Vector control requires motor auto-tuning for optimal performance, whereas V/f control is simpler to set up.

How can I connect the YASKAWA CH70B4009ABBA to a PLC?

Connect the drive's digital or analog input/output terminals to the PLC's corresponding I/O modules.

Configure the drive's communication parameters to match the PLC's settings for the chosen communication protocol (e.g., Modbus, Ethernet/IP).

Program the PLC logic to send commands (start/stop, speed reference) and receive status information from the drive.

What are the safety features of the YASKAWA CH70B4009ABBA?

A key safety feature is Safe Torque Off (STO), which prevents the drive from generating torque without needing to disconnect power.

The drive also offers protection against overcurrent, overvoltage, undervoltage, and overheating to prevent damage and ensure safe operation.

Proper installation, grounding, and adherence to the operational manual are crucial for overall system safety.

What is the IP rating of the YASKAWA CH70B4009ABBA?

The CH70B4009ABBA has an IP20 rating, which means it is protected against solid objects larger than 12.5mm but offers no protection against water ingress.

This rating indicates it is suitable for indoor environments where dust and moisture are not significant concerns.

For applications in dusty or wet environments, an external enclosure with a higher IP rating may be necessary to protect the drive.

How energy-efficient is the YASKAWA CH70B4009ABBA?

AC drives like the CH700 significantly improve energy efficiency by matching motor speed to the actual load requirements.

By reducing motor speed when full output is not needed, energy consumption is lowered substantially, leading to cost savings.

The drive's ability to precisely control motor speed optimizes process efficiency, which indirectly contributes to energy savings.

Does YASKAWA offer support for the CH70B4009ABBA?

Yes, Yaskawa provides comprehensive technical support for their products, including the CH700 series drives.

Support may include access to product manuals, software tools, and application engineering assistance.

Contacting Yaskawa's customer service or authorized distributors is the best way to obtain specific technical assistance or documentation.