Description
Description:
The CDMR-ZII is a robust thyristor converter unit developed by Yaskawa, part of their Varispeed 505 ZII series. Engineered for non-reversing speed control of industrial DC motors, it is widely utilized in applications requiring precise and reliable motor control.
Application Scenarios:
In a recent project within a steel manufacturing plant, the CDMR-ZII was integrated into the existing automation system to control the speed of large DC motors driving heavy-duty conveyors. The module’s ability to provide smooth and consistent motor control significantly improved the efficiency of material handling processes, reduced mechanical stress on equipment, and minimized downtime. Operators reported enhanced system stability and increased throughput, demonstrating the CDMR-ZII‘s critical role in optimizing industrial operations.
Parameters:
| Parameter | Value/Description |
|---|---|
| Product Model | CDMR-ZII |
| Manufacturer | Yaskawa |
| Product Category | Thyristor Converter Unit |
| Input Voltage | 230V or 460V AC |
| Output Voltage | DC output corresponding to motor specifications |
| Current Rating | 50A, 90A, 105A (depending on model) |
| Control Type | Non-reversing speed control |
| Mounting Type | Panel or chassis mount |
| Cooling Method | Natural convection |
| Dimensions | Varies by model; compact design for industrial use |
| Weight | Approximately 10–15 kg |
| Environmental Rating | Industrial environments; IP20 protection |
| Warranty | Typically 1 year (varies by distributor) |
Technical Principles and Innovative Values:
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Thyristor-Based Control: Utilizes thyristor technology for efficient and reliable speed control of DC motors.
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High Current Handling: Available in models supporting up to 105A, suitable for high-power applications.
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Versatile Voltage Options: Compatible with both 230V and 460V AC input voltages, offering flexibility in various installations.
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Compact and Robust Design: Designed to withstand harsh industrial environments, ensuring longevity and minimal maintenance.
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Easy Integration: Facilitates seamless integration into existing automation systems, enhancing overall system performance.
Application Cases and Industry Value:
In a cement production facility, the CDMR-ZII was employed to regulate the speed of DC motors driving rotary kilns. The precise control enabled by the module resulted in optimized kiln operation, leading to improved energy efficiency and product quality. Maintenance personnel noted a significant reduction in mechanical wear and tear, attributing the enhanced performance to the CDMR-ZII‘s reliable motor control capabilities.

Installation, Maintenance, and Full-Cycle Support:
The CDMR-ZII is designed for straightforward installation, featuring a compact form factor compatible with standard panel mounts. Its robust construction ensures reliable operation in various industrial environments, withstanding vibrations and temperature fluctuations.
Routine maintenance involves periodic inspections and firmware updates to ensure optimal performance. In case of faults, the module’s diagnostic features facilitate quick identification and resolution of issues, minimizing downtime.
Yaskawa offers comprehensive technical support and after-sales services, including installation assistance, training, and troubleshooting. Their team of experts is available to provide guidance and solutions tailored to specific application needs, ensuring the CDMR-ZII continues to deliver reliable performance throughout its lifecycle.
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