YASKAWA CH70B4112ABBA CH700 VFD for Heavy Duty Elevator Drive 112A 55kW

The YASKAWA CH70B4112ABBA CH700 VFD is engineered for heavy-duty elevator applications, delivering exceptional performance and reliability. This drive boasts a 112A continuous output current and a substantial 55kW power rating, making it ideal for high-capacity and high-traffic elevator systems. Its advanced control algorithms ensure smooth acceleration, deceleration, and precise speed regulation, crucial for passenger comfort and operational efficiency. Key advantages include its robust construction for demanding environments, superior energy efficiency, and integrated safety features that meet stringent industry standards.

Product Specifications

| Specification        | Value              |

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

| Model                | CH70B4112ABBA      |

| Series               | CH700              |

| Rated Output Current | 112A               |

| Rated Power          | 55kW (75HP)        |

| Input Voltage        | 380-480V (3 Phase) |

| Output Voltage       | 0-480V (3 Phase)   |

| Control Method       | Advanced Vector Control |

| Braking Unit         | Integrated         |

| Protection Class     | IP20               |

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

Core Features & Market Positioning

The YASKAWA CH700 VFD distinguishes itself in the heavy-duty elevator market through its sophisticated *Advanced Vector Control* technology, which provides precise torque and speed regulation even under fluctuating loads. This precise control translates to exceptionally smooth ride quality and enhanced operational efficiency, setting it apart from standard VFD solutions. Its robust design and high overload capacity are tailored for the demanding duty cycles characteristic of elevators, ensuring longevity and minimizing downtime. Furthermore, the integrated braking unit offers a comprehensive solution, simplifying installation and enhancing safety. YASKAWA's reputation for manufacturing durable and high-performance industrial automation products positions the CH700 series as a premium choice for elevator integrators seeking reliability and advanced functionality.

Key Application Scenarios

This YASKAWA CH70B4112ABBA drive is specifically designed for *heavy-duty elevator applications*, including high-rise buildings, commercial complexes, hospitals, and freight elevators where consistent performance and precise control are paramount. Its 55kW power and 112A current rating make it suitable for elevators with substantial passenger or cargo loads, as well as those requiring rapid acceleration and deceleration profiles. The drive's ability to manage frequent starts and stops efficiently ensures optimal performance in busy environments. It is also a strong candidate for modernization projects seeking to upgrade existing elevator systems with advanced, energy-efficient drive technology.

Practical System Integration Guidance

Integrating the YASKAWA CH700 VFD into an elevator system involves careful consideration of power, control, and safety wiring. The drive requires a stable 380-480V, 3-phase power supply, with appropriate circuit protection such as fuses or circuit breakers. Control wiring should connect the VFD's I/O terminals to the elevator's control logic, including inputs for start/stop commands, speed selection, and safety interlocks. The integrated braking unit requires proper connection to an external braking resistor to dissipate regenerative energy effectively during deceleration, preventing overvoltage. For optimal performance, YASKAWA recommends specific parameter settings tailored to elevator operation, including acceleration/deceleration times, maximum speeds, and motor data configuration, which can be accessed via the drive's keypad or programming software.

Operation and Risk Mitigation

Operating the YASKAWA CH700 VFD requires adherence to safety protocols, especially concerning high voltages and moving machinery. Ensure all personnel are qualified and follow lockout/tagout procedures before performing any maintenance or adjustments. The drive features several protection functions to mitigate operational risks, including overload protection, overvoltage, undervoltage, and motor thermal protection. Critical fault codes are displayed on the drive's interface, providing diagnostic information for troubleshooting. For instance, an "OL" (Overload) fault typically indicates the motor is drawing more current than permissible, requiring an investigation into the load or motor condition. Referencing the official YASKAWA CH700 user manual is essential for understanding specific fault codes and their recommended corrective actions to ensure safe and continuous operation.

Scalability & Long-Term Value

The YASKAWA CH700 VFD offers significant long-term value through its robust construction and YASKAWA's commitment to backward compatibility and support for evolving industrial standards. While direct upgrade paths for this specific model might involve newer YASKAWA series with enhanced features, the CH700's core reliability ensures a long operational lifespan. Its integration capabilities with modern building management systems (BMS) and potential for future connectivity through optional communication modules allow for gradual adoption of IIoT and digital solutions. This adaptability ensures that elevator systems equipped with the CH700 can remain efficient and responsive to changing operational demands and technological advancements over their service life.

FAQs

What are the primary advantages of the YASKAWA CH700 VFD for elevators?

The CH700 offers superior ride comfort due to precise speed control. It provides enhanced energy efficiency by optimizing motor performance. Its robust design ensures high reliability for heavy-duty elevator applications.

Is the YASKAWA CH700 VFD suitable for high-rise buildings?

Yes, its 55kW power and 112A current rating handle heavy loads. Advanced vector control ensures smooth operation at all speeds. This drive is built for demanding elevator duty cycles.

How do I connect an external braking resistor to the CH700 VFD?

Connect the resistor terminals on the VFD to the braking resistor. Ensure the resistor's wattage and resistance values match the drive's specifications. Proper connection prevents overvoltage during regeneration.

What are common error codes for the YASKAWA CH700 VFD?

Common codes include OL (Overload) and OV (Overvoltage). These indicate excessive current or voltage issues. Consult the manual for specific fault code meanings and resolutions.

Can the YASKAWA CH700 VFD be programmed remotely?

Yes, with optional communication modules. These allow integration with SCADA or BMS. Remote programming simplifies setup and monitoring of elevator drives.

What is the power rating of the YASKAWA CH700 VFD model CH70B4112ABBA?

This specific model has a power rating of 55kW. It also features a 112A continuous output current. This makes it suitable for heavy-duty elevator applications.

Does the YASKAWA CH700 VFD support regenerative braking?

Yes, it has an integrated braking unit. This unit works with an external braking resistor. It effectively handles regenerative energy during elevator deceleration.

What input voltage range does the CH700 VFD operate on?

The drive operates on a 3-phase input voltage range of 380-480V. This is a standard range for industrial power supplies. Ensure your supply meets these requirements.

How does the CH700 VFD improve elevator ride quality?

Its advanced vector control precisely manages motor speed and torque. This results in smooth acceleration and deceleration. Passenger comfort is significantly enhanced by this smooth operation.

What safety features are included in the YASKAWA CH700 VFD?

It includes overload, overvoltage, and undervoltage protection. It also offers motor thermal protection. These features enhance operational safety and equipment longevity.