Product Specification – CACR-SR02AB1ER-Y1
May 13, 2026

Product Specification – CACR-SR02AB1ER-Y1

The CACR-SR02AB1ER-Y1 is a high-performance, fully digital AC servo drive from Yaskawa’s classic VS-800 (CACR-SR) series. Designed as a single-axis controller, it is engineered to drive 0.2kW servo motors with exceptional precision, speed, and dynamic response. Primarily utilized in legacy Yasnac CNC systems and industrial automation machinery, this drive operates on a 200V AC power supply and features an analog command input interface. It employs advanced IGBT-PWM technology to deliver smooth, stable, and highly accurate control of speed, position, and torque. The unit is equipped with comprehensive protection features and diagnostic capabilities, ensuring reliable operation in demanding industrial environments.

Description

安川17.jpg

Product Specification – CACR-SR02AB1ER-Y1

1. General Information

  • Manufacturer: Yaskawa Electric Corporation

  • Part Number: CACR-SR02AB1ER-Y1

  • Product Series: VS-800 Series / CACR-SR SERVOPACK

  • Product Type: Digital AC Servo Drive (ServoPack)

  • Applicable Motor Power: 0.2 kW (200W, 0.27HP)

  • Control Interface: Analog Input Type

  • Product Status: Legacy / Discontinued (Still widely used in industrial maintenance)

  • Protection Class: IP20 (Panel Mount)

  • Weight: Approx. 4.5 kg (10 lb)

  • Mounting: Panel / Rack Mount

2. Product Overview

The CACR-SR02AB1ER-Y1 is a high-performance, fully digital AC servo drive from Yaskawa’s classic VS-800 (CACR-SR) series. Designed as a single-axis controller, it is engineered to drive 0.2kW servo motors with exceptional precision, speed, and dynamic response. Primarily utilized in legacy Yasnac CNC systems and industrial automation machinery, this drive operates on a 200V AC power supply and features an analog command input interface. It employs advanced IGBT-PWM technology to deliver smooth, stable, and highly accurate control of speed, position, and torque. The unit is equipped with comprehensive protection features and diagnostic capabilities, ensuring reliable operation in demanding industrial environments.

3. Model Number Decoding

  • CACR: AC Servo Drive (SERVOPACK)

  • SR: Control Mode – Speed / Position Regulation

  • 02: Output Power Rating – 0.2 kW (200W)

  • A: Applicable Motor Series – R-Series

  • B: Hardware Revision / Design Version

  • 1: Input Signal Type – 200V Analog Input

  • E: Encoder Resolution – 1500 pulses/revolution

  • R: Specific Application / Standard Version

  • Y1: Special Specification / Custom Variant

4. Technical Specifications

4.1 Electrical Parameters

  • Input Power Supply:

    • Main Circuit: Three-phase 200-230 VAC, ±15%, 50/60 Hz

    • Control Circuit: Single-phase 200-230 VAC, ±15%, 50/60 Hz

  • Output Power: 0.2 kW

  • Output Current:

    • Continuous: 1.2 A (typ.)

    • Peak: 3.6 A (3x rated, for 5 seconds)

  • Control Method: IGBT PWM Control, Sine-wave Drive

  • Command Inputs:

    • Speed Reference: Analog Voltage (±10V DC)

    • Position Reference: Pulse Train Input (Differential Line Driver)

  • Feedback Interface:

    • Encoder Type: Incremental Optical Encoder

    • Resolution: 1500 pulses/rev (Compatible with standard Yaskawa R-Series motors)

    • Signal: A, B, Z Phase (Differential)

4.2 Performance Characteristics

  • Control Modes:

    • Speed Control (Standard)

    • Position Control (via pulse input)

    • Torque Control (Optional via analog input)

  • Speed Control Range: 1:3000

  • Speed Regulation Accuracy:

    • Load: ±0.01% (at rated speed, 0-100% load change)

    • Temperature: ±0.5% (-10°C to +45°C)

  • Setting Time: ≤ 2 ms

  • Response Frequency: Up to 400 Hz

4.3 Protection & Diagnostics

  • Overload Protection: Electronic thermal relay (150% rated current for 1min)

  • Overvoltage / Undervoltage Protection: Monitors DC bus voltage

  • Overcurrent Protection: Instantaneous trip on short-circuit

  • Overtemperature Protection: Internal thermistor monitoring

  • Stall Protection: Motor lock detection

  • Fault Diagnostics: LED error code display for: Overcurrent, Overvoltage, Undervoltage, Overtemp, Encoder Error, Overload, External Alarm.

4.4 Environmental Specifications

  • Operating Temperature: 0°C ~ +45°C

  • Storage Temperature: -20°C ~ +65°C

  • Relative Humidity: 5% ~ 85%, non-condensing

  • Vibration Resistance: 4.9 m/s² (0.5g), 10 ~ 60 Hz

  • Cooling Method: Forced Air Cooling

4.5 Interface & Connectors

  • CN1 (Control I/O): Multi-pin connector for digital I/O, enable signals, alarms, and analog references.

  • CN2 (Encoder Feedback): Connector for motor encoder feedback.

  • CN3 (Main Power): Terminals for three-phase AC input and motor output (U/V/W).

  • LED Indicator: Multi-color LED for status (RUN, READY) and fault codes.

5. Key Features

  • High Precision Digital Control: Delivers ultra-smooth and stable operation, even at extremely low speeds.

  • Fast Dynamic Response: High bandwidth for rapid acceleration and deceleration, ideal for high-speed positioning.

  • Analog & Pulse Input: Supports both analog voltage (speed) and pulse train (position) command signals.

  • Robust Protection Suite: Comprehensive electronic protections safeguard the drive and motor from damage.

  • Compact Industrial Design: Rugged construction for reliable performance in harsh factory conditions.

  • Easy Maintenance: Front-facing LED diagnostics simplify troubleshooting and system maintenance.

  • Wide Compatibility: Specifically designed for Yaskawa R-series 0.2kW motors, commonly used in CNC machines.

6. Typical Applications

  • Legacy Yasnac CNC Machine Tools (Milling, Lathes)

  • Precision Industrial Robots

  • Semiconductor Manufacturing Equipment

  • High-Speed Packaging Machines

  • Printing and Textile Machinery

  • Material Handling Systems

  • Automated Assembly Lines

7. Compatibility

  • Servo Motors: Optimized for Yaskawa R-Series 0.2kW motors (e.g., USAREM-02 series)

  • Controllers: Designed for integration with Yaskawa Yasnac CNC systems and legacy PLCs

  • Software: Configurable via digital operator panel or dedicated Yaskawa setup software


Get a Quote