YASKAWA CH70B4024ABBA CH700 Drive for Heavy Duty Elevator Applications 24A 11kW

The YASKAWA CH70B4024ABBA CH700 Drive is engineered for demanding heavy-duty elevator applications, delivering exceptional performance and reliability. This 24A, 11kW drive boasts precise control, robust construction, and advanced features essential for modern vertical transportation systems. Its core advantages lie in its smooth operation, energy efficiency, and ability to handle significant loads, making it a premier choice for passenger and freight elevators requiring high uptime and precise floor leveling. Key technical parameters include a rated output current of 24A, a power rating of 11kW, and compatibility with standard industrial power supplies, ensuring seamless integration into various elevator setups.

Product Specifications

| Parameter             | Specification                |

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

| Model Number          | CH70B4024ABBA                |

| Series                | CH700                        |

| Rated Output Current  | 24A                          |

| Rated Power           | 11kW                         |

| Input Voltage         | 3-Phase, 200-240V AC or 380-480V AC (specific to sub-model) |

| Output Frequency      | 0-400 Hz                     |

| Control Method        | Vector Control, V/f Control  |

| Protection Class      | IP20 (standard)              |

| Mounting              | Wall/Panel Mount             |

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

Core Features & Market Positioning

The YASKAWA CH700 drive distinguishes itself in the heavy-duty elevator market through its advanced closed-loop vector control, providing superior torque performance and precise speed regulation even under fluctuating loads. This technology ensures exceptionally smooth acceleration and deceleration, minimizing passenger discomfort and wear on mechanical components. The drive's integrated safety functions, including Safe Torque Off (STO), align with stringent industry safety standards, enhancing operational security. Furthermore, its robust design and high overload capacity make it ideal for the rigorous demands of freight elevators and high-traffic passenger elevators, positioning it as a reliable, long-term investment for elevator manufacturers and modernizers seeking peak performance and durability.

Key Application Scenarios

This YASKAWA CH700 drive is predominantly specified for new installations and modernizations of heavy-duty elevator systems. Its precise motion control is critical for high-rise buildings, hospitals, and commercial complexes where consistent ride quality and accurate leveling are paramount. Applications include passenger elevators requiring smooth, quiet operation and significant load-bearing capacity, as well as freight elevators in industrial settings, warehouses, and shipping facilities that demand robust performance under constant heavy use. The drive's ability to manage regenerative energy efficiently also makes it a suitable choice for eco-conscious projects aiming to reduce operational energy consumption.

Practical System Integration Guidance

Integrating the YASKAWA CH70B4024ABBA drive into an elevator system involves careful consideration of motor compatibility, power supply, and control wiring. The drive should be paired with a motor that matches its power and current ratings, typically a Yaskawa or compatible AC induction motor with an encoder for closed-loop vector control. Ensure the input power supply meets the specified voltage and frequency requirements, with adequate circuit protection (fuses, breakers) installed. Control wiring should connect the drive's digital and analog inputs/outputs to the elevator controller's logic, and encoder feedback must be correctly terminated. Commissioning typically involves setting motor parameters, tuning the control loop for optimal performance, and configuring safety functions through the drive's keypad or software interface.

Operation and Risk Mitigation

Safe operation of the YASKAWA CH700 drive necessitates adherence to all electrical codes and safety regulations. Before powering on, verify all connections and parameter settings. The drive's diagnostic functions and fault code display are crucial for identifying operational issues. Common fault codes, such as "Overcurrent" (often indicating a short circuit or motor issue) or "Overtemperature" (suggesting inadequate ventilation or motor overload), require prompt investigation. Implementing the STO function is vital for emergency stops and maintenance procedures, preventing unexpected motor movement. Proper ventilation of the drive and surrounding electrical enclosure is critical to prevent overheating and premature component failure.

Scalability & Long-Term Value

The YASKAWA CH700 series offers excellent scalability and long-term value, particularly in its compatibility with Yaskawa's broader automation ecosystem. The drive can be integrated into networked control systems using optional communication modules (e.g., Modbus, PROFIBUS), facilitating advanced diagnostics and remote monitoring. This connectivity is essential for modern IIoT (Industrial Internet of Things) strategies, enabling predictive maintenance and performance optimization. The robust build quality and Yaskawa's reputation for reliability ensure a long operational lifespan, reducing the total cost of ownership. Upgrade paths are typically straightforward, allowing for seamless replacement with newer models if system requirements evolve over time.

FAQs

1. What are the primary benefits of using the YASKAWA CH700 drive in heavy-duty elevators?

The CH700 offers superior ride comfort and precise floor leveling. Its advanced control minimizes vibration and noise during operation. It also provides robust torque response for heavy loads.

It excels in energy efficiency, reducing operational costs over time. The drive's high reliability ensures maximum uptime for critical elevator services.

Safety is enhanced with integrated features like Safe Torque Off. This protects personnel during maintenance and emergency situations.

2. Can the CH70B4024ABBA drive be used with any elevator motor?

It is best paired with Yaskawa or compatible AC induction motors. Motor characteristics must match the drive's specifications for optimal performance.

Using a motor with an encoder is recommended for closed-loop vector control. This ensures precise speed and position accuracy.

Always consult the drive's manual and motor datasheet for compatibility confirmation. Incorrect motor selection can lead to poor performance or damage.

3. What are the typical installation requirements for the YASKAWA CH700 drive?

Install the drive in a clean, dry environment with adequate ventilation. Avoid areas with excessive dust, moisture, or corrosive substances.

Ensure proper grounding of the drive and motor for safety and signal integrity. Use shielded cables for motor power and encoder feedback.

Mount the drive securely on a vertical surface, allowing sufficient clearance around it for heat dissipation. Follow wiring diagrams precisely.

4. How do I set up the motor parameters for the CH70B4024ABBA drive?

Access the drive's parameter menu using the built-in keypad. Navigate to the motor parameter section for configuration.

Input the motor's rated voltage, current, frequency, and power. Correctly entering these values is crucial for precise control.

Auto-tuning or manual tuning procedures may be required for optimal performance. Consult the operation manual for detailed instructions.

5. What safety features are integrated into the YASKAWA CH700 drive?

The drive includes Safe Torque Off (STO) functionality. This prevents unintended motor startup during hazardous situations.

It also offers overcurrent, overvoltage, and undervoltage protection. Thermal protection safeguards the drive and motor from overheating.

Emergency stop inputs and other safety I/Os can be configured to meet specific safety standards. Always integrate with a certified safety controller.

6. What is closed-loop vector control, and why is it important for elevators?

Closed-loop vector control uses motor feedback (encoder) for precise torque and speed management. It provides excellent dynamic response.

This control method ensures smooth acceleration and deceleration, crucial for passenger comfort. It also maintains accurate speed under varying loads.

For elevators, it enables precise stopping at floor levels and smooth operation at all speeds. It optimizes energy usage by controlling torque efficiently.

7. How can I troubleshoot common issues with the CH70B4024ABBA drive?

Check the drive's display for any active fault codes. Consult the manual to understand the meaning of the code and recommended actions.

Verify all power and control wiring connections for looseness or errors. Ensure the input power supply is stable and within specifications.

Confirm that motor parameters are correctly entered and that the motor itself is functioning correctly. Check for physical obstructions or excessive load.

8. What is the power rating and current capacity of the CH70B4024ABBA drive?

This specific model has a rated power output of 11kW. Its maximum continuous output current capacity is 24A.

These specifications are suitable for many heavy-duty elevator applications. Always ensure the motor's requirements are within these limits.

Exceeding the drive's current or power rating can lead to faults or damage. Verify the elevator's load and motor draw.

9. Does the YASKAWA CH700 drive support IIoT integration for monitoring?

Yes, the CH700 series supports IIoT integration via optional communication modules. These modules enable network connectivity.

You can monitor performance data, status, and diagnostics remotely. This facilitates predictive maintenance and operational efficiency.

Integration allows for real-time data analysis and system optimization. It connects the drive to broader plant-wide management systems.

10. What ambient temperature range is acceptable for operating the CH70B4024ABBA drive?

The drive is designed to operate within an ambient temperature range of -10°C to +50°C. This covers most industrial and building environments.

However, performance may be derated at the higher end of this range, especially under continuous heavy loads. Ensure adequate ventilation.

Exceeding the maximum temperature can lead to internal component damage and drive shutdown. Always consider the operating environment.