In the field of industrial automation, inverters serve as the core equipment for regulating motor speed and torque, with their performance directly determining the efficiency and stability of production lines.

I. Product Overview

The YASKAWA CIMR-VU4A0011BMA inverter is part of the V1000 series from Yaskawa Electric Corporation. This series of inverters holds a significant position in the industrial automation sector due to its characteristics of high efficiency, energy saving, and ease of use. As a member of this series, the CIMR-VU4A0011BMA not only inherits the excellent attributes of the V1000 series but also undergoes optimizations tailored to specific application scenarios to meet diverse industrial needs.

II. Analysis of Core Parameters

Power and Voltage

• Light Load Power: 5.5kW (Note: Some models may be labeled as 3.7kW for heavy-load applications, depending on the specific application scenario and motor configuration.)
• Rated Voltage: 400V (three-phase)
• Rated Output Current: Varies with power, typically ranging from 11.1A (light load) to 9.2A (heavy load).

Control Modes

The CIMR-VU4A0011BMA supports multiple control modes, including sensorless V/f control, sensorless vector control, vector control with PG (pulse generator), and PM (permanent magnet) vector control with PG, to accommodate different loads and motor types.

Frequency Range and Accuracy

• Frequency Control Range: 0.01～400Hz, covering the majority of industrial application requirements.
• Frequency Accuracy: Within ±0.01% of the maximum output frequency under digital command (-10～+40℃); within ±0.1% of the maximum output frequency under analog command (25℃±10℃).
• Frequency Setting Resolution: 0.01Hz for digital command and 0.03Hz/60Hz (11-bit) for analog command.

Overload Capacity

The CIMR-VU4A0011BMA exhibits outstanding overload capability. It can sustain 120% of the rated current for 60 seconds under light load and 150% of the rated current for 60 seconds under heavy load, ensuring stable operation even under harsh conditions.

Communication Interface

The inverter is equipped with an RS-485/422 communication interface, facilitating data exchange and remote control with upper-level computers or other devices, enabling intelligent management.

III. Performance Features

High Efficiency and Energy Saving

The CIMR-VU4A0011BMA adopts advanced power feedback technology and an optimized efficiency control algorithm, achieving higher efficiency when driving synchronous motors. When used in combination with the optional power regeneration unit Varispeed 656RC5, regenerated power can be fed back to the power supply side and reused, further enhancing energy utilization efficiency.

Powerful Driving Capability

The inverter supports various motor types, including induction motors and synchronous motors, and features an automatic torque boost function, meeting the overload test requirements of different loads.

Easy Installation and Maintenance

The CIMR-VU4A0011BMA employs a detachable terminal block design, simplifying debugging and maintenance. Additionally, its compact body structure and optimized heat dissipation design improve the device's reliability and service life.

IV. Application Scenarios

The CIMR-VU4A0011BMA inverter finds widespread application in various industrial automation fields, such as elevator control, fan and pump drives, textile machinery, packaging machinery, and more. Particularly in elevator control, the inverter ensures a smoother and more stable ride with its high-performance sensorless starting torque compensation function and built-in elevator sequencing control.

The YASKAWA CIMR-VU4A0011BMA inverter demonstrates strong competitiveness in the industrial automation field with its outstanding parameter configuration, excellent performance features, and broad application scenarios. For enterprises pursuing efficient, stable, and reliable industrial automation solutions, the CIMR-VU4A0011BMA is undoubtedly a choice worth considering.