CACR-SR20BB1AF
1. Product Introduction
CACR-SR20BB1AF is a high-performance 2.0kW AC servo drive belonging to the Yaskawa VS-800 series, also known as Yasnac AC ServoPack. It is well-recognized for its robust performance, stable operation, and high reliability, specifically designed for precision motion control applications in industrial automation fields such as CNC machine tools, automated production lines, and precision processing equipment. This servo drive adopts a practical hardware structure and supports analog input signals, enabling seamless compatibility with various control systems to meet the requirements of high-precision and high-dynamic-response operation scenarios. It is widely used in industrial automation due to its durable design and flexible adaptability, and can be provided as a refurbished product with corresponding warranty services in the market. Unlike customized suffix models, CACR-SR20BB1AF is a standard version with flexible parameter adjustability, suitable for a variety of general industrial motion control needs.
Description
1. Product Introduction
CACR-SR20BB1AF is a high-performance 2.0kW AC servo drive belonging to the Yaskawa VS-800 series, also known as Yasnac AC ServoPack. It is well-recognized for its robust performance, stable operation, and high reliability, specifically designed for precision motion control applications in industrial automation fields such as CNC machine tools, automated production lines, and precision processing equipment. This servo drive adopts a practical hardware structure and supports analog input signals, enabling seamless compatibility with various control systems to meet the requirements of high-precision and high-dynamic-response operation scenarios. It is widely used in industrial automation due to its durable design and flexible adaptability, and can be provided as a refurbished product with corresponding warranty services in the market. Unlike customized suffix models, CACR-SR20BB1AF is a standard version with flexible parameter adjustability, suitable for a variety of general industrial motion control needs.
2. Key Specifications
2.1 Electrical Specifications
• Rated Output Power: 2.0kW
• Input Voltage: 200V AC (3-phase, 50/60Hz)
• Input Type: Analog信号
• Operating Voltage Type: AC
• Rated Output Current: 15.2A (RMS)
• Peak Output Current: 76A (500% overload, maximum 3 seconds)
• Control Modes: Analog speed control (primary), position control (optional)
• Encoder Compatibility: Compatible with high-precision incremental encoders (standard configuration, specific resolution refer to detailed manual)
2.2 Environmental & Physical Specifications
• Operating Temperature Range: 0～60°C (non-condensing)
• Storage Temperature Range: 0～60°C (non-condensing)
• Operating Humidity: 80% (non-condensing)
• Storage Humidity: 80% (non-condensing)
• Maximum Operating Altitude: 1000 meters above sea level
• Protection Grade: IP20 (standard), IP65 (optional for harsh environments)
• Dimensions: 88cm (height) × 88cm (length) × 88cm (width) (practical installation dimensions, slight differences may exist, refer to detailed manual)
• Shipping Weight: 24 lb (approximately 10.89kg)
• Installation Orientation: Vertical installation recommended
2.3 Performance Characteristics
• Overload Characteristics: Supports 500% peak overload for 3 seconds, adapting to sudden load changes
• Heat Dissipation: Optimized heat dissipation design, ensuring stable operation at high temperatures
• Compatibility: Supports analog input signals, compatible with various industrial control systems
• Durability: Sturdy build, suitable for long-term continuous operation in industrial environments
• Fault Diagnosis: Equipped with basic fault monitoring function, facilitating quick troubleshooting
3. Installation & Wiring
3.1 Installation
Install the servo drive vertically in a control cabinet, leaving no less than 50mm clearance on all sides to ensure effective heat dissipation. The installation environment should be clean and dry, free from dust, oil fumes, corrosive gases, and excessive vibration to ensure stable operation of the equipment. Avoid installation in areas with direct sunlight or extreme temperature changes, and ensure the installation surface is flat and firm to reduce vibration impact during operation.
3.2 Simplified Wiring
Follow the correct sequence when wiring: first, connect the motor U/V/W and encoder cable to the corresponding interface (refer to the official wiring diagram for interface designation), ensuring correct wiring to avoid signal loss or equipment damage; then, connect analog control signals to the input interface, ensuring the signal line is a shielded twisted-pair cable to reduce electromagnetic interference; finally, connect the 3-phase 200V AC power supply to the R/S/T terminals and reliably ground the drive, ensuring the ground resistance is no more than 10Ω. Note that power cables with a cross-sectional area of no less than 4mm² should be used for the main circuit, and shielded twisted-pair cables should be used for signal cables to comply with relevant electromagnetic radiation regulations. Before formal operation, check the wiring point by point and conduct step-by-step debugging according to the debugging outline to ensure correct wiring and normal system operation.
4. Basic Operation
4.1 Panel Button Functions
The core buttons on the CACR-SR20BB1AF panel include MODE, SET, ↑/↓, and RUN/STOP. The MODE button switches between monitoring and fault modes; the SET button confirms operations and accesses related settings; the ↑/↓ buttons adjust parameter values or switch monitoring items; the RUN/STOP button starts or stops local jog operation. This servo drive is equipped with basic fault monitoring functions, which can real-time monitor parameters such as current and temperature to warn of potential faults. Most alarm and error issues can be initially resolved by resetting parameters, resetting the drive, or re-powering it, but complex faults should be referred to professional technical support. For detailed button operations and parameter settings, refer to the official bulletin (81 pages) for the Yaskawa CACR-SR20BB series.
4.2 Common Operations
For local jog operation: press the MODE button to select "JOG" mode, press SET to confirm, then use the ↑/↓ buttons to control the motor to jog forward or backward, and press STOP to end the operation. For monitoring: press the MODE button to switch and check real-time data such as motor speed, output current, and fault codes. For parameter operation: press the MODE button, enter the default password 0000, and press SET to access the parameter interface. As a standard model, CACR-SR20BB1AF allows parameter modification (on the premise of professional operation) to adapt to different application scenarios, but arbitrary modification is not recommended to avoid equipment failure. After completing basic debugging, gradually conduct semi-automatic and automatic operation tests, observe multiple working cycles, and ensure the system operates continuously and correctly.
5. Common Faults & Solutions
When the servo drive malfunctions, a corresponding alarm code will be displayed on the panel. For detailed alarm code explanations and troubleshooting methods, refer to the official bulletin for the Yaskawa CACR-SR20BB series, which includes a complete troubleshooting guide. Common fault handling methods are as follows:
• Overcurrent (Alarm Code A.10): Power off the drive for 5 minutes, check for motor short circuits, incorrect wiring, or excessive load, and restart the drive after troubleshooting.
• Overvoltage (Alarm Code A.31): Check if the input power voltage is too high and inspect the regenerative resistor for open circuits.
• Overtemperature (Alarm Code A.40): Clean the fan filter to ensure normal fan operation and reduce the load if necessary.
• Encoder Error (Alarm Code A.80): Check if the encoder cable is broken or loosely connected, and reconnect or replace the cable if needed.
If the fault cannot be resolved with the above methods, contact professional technical support or the manufacturer for repair services, and avoid forced operation to prevent secondary equipment damage.
6. Safety & Maintenance
High voltage hazard: the drive’s terminals still carry high voltage for 5 minutes after power off—do not touch the terminals during this period to avoid electric shock. For daily maintenance: check the fan operation status and panel alarm information daily; clean the fan filter weekly to prevent dust blockage that affects heat dissipation; tighten terminal screws monthly to avoid loose connections, and do not loosen the fixed screws of the components, especially the screws with red marks. When replacing the drive, only use the same model (CACR-SR20BB1AF)—do not use other models or customized versions, and do not arbitrarily modify the firmware or parameters without professional guidance to prevent equipment malfunction. This 2.0kW servo drive is widely used in industrial automation fields such as CNC machine tools, precision processing, and packaging equipment; proper installation, operation, and maintenance can effectively extend its service life. For hardware-related faults or advanced parameter settings, contact professional maintenance personnel or the manufacturer. Refurbished models are covered by a limited warranty (usually 6 months), and repair, exchange, and evaluation services are available from professional servo drive service providers.
7. Supplementary Information
• Manufacturer: Yaskawa Electric Co.
• Product Line: Servopack (VS-800 series)
• Warranty: New products usually come with a 2-year warranty; refurbished products come with a 6-month limited warranty (varies by supplier).
• Documentation: Detailed operation and maintenance guidelines can be downloaded from the official website or relevant service platforms, including the 81-page bulletin for the Yaskawa CACR-SR20BB series.
• Application Scenarios: CNC machine tools, industrial automation production lines, precision processing equipment, and other fields requiring precise motion control.
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