Product Specification – CACR-SR02AY1SR

1. General Information

• Manufacturer: Yaskawa Electric Corporation

• Part Number: CACR-SR02AY1SR

• Product Type: Digital AC Servo Drive (SERVOPACK) / CNC Axis Control Module

• Product Series: Yaskawa CACR-SR (VS-800) Legacy Servo Series

• Rated Power: 0.2 kW (200W)

• Voltage Class: 200 VAC Three-Phase

• Protection Class: IP20

• Mounting Style: Rack-Mount / Card-Mount (PCB Module Type)

• Product Form: Specialized PCB Servo Controller for Yasnac CNC Systems

• Product Status: Legacy/Discontinued, OEM-specific for CNC machine tool applications

2. Product Overview

3. Model Number Decoding

• CACR: AC Servo SERVOPACK

• SR: Speed & Position Regulation type

• 02: Rated output power: 0.2 kW

• A: Compatible motor series specification

• Y: Specialized CNC/OEM hardware configuration (Yasnac optimized)

• 1: Control interface & signal input version

• S: Rack-mount / PCB card module form factor

• R: Standard industrial hardware revision

4. Technical Specifications

4.1 Electrical Parameters

• Main Circuit Input: 3-phase 200–230 VAC, ±15%, 50/60 Hz

• Control Circuit Input: Single-phase 200–230 VAC

• Rated Output Power: 0.2 kW

• Rated Continuous Output Current: 1.2 Arms

• Peak Output Current: 3.6 Arms (short-time overload capacity)

• Control Method: IGBT PWM sine-wave modulation

4.2 Control Performance

• Control Modes: Speed control, Position control, Torque control

• Speed Regulation Range: 1:3000

• Speed Regulation Accuracy:

  • Load variation: ±0.01% (at rated speed)

  • Temperature variation: ±0.5%

• Response Bandwidth: Up to 400 Hz

• Command Inputs:

  • Speed/Torque Command: Analog ±10 VDC

  • Position Command: Differential pulse train input (A/B phase)

4.3 Encoder Feedback

• Compatible Encoder: Incremental optical encoder

• Feedback Signal: A, B, Z differential signals

• Transmission: Differential line-driver for high noise immunity

4.4 Protection & Diagnostic Functions

• Overcurrent protection

• Overvoltage / Undervoltage protection

• Electronic thermal overload protection

• Overtemperature protection

• Motor stall/lock protection

• Encoder signal fault detection

• Emergency stop input & safety interlock

• LED status indicators for operational and fault diagnosis

4.5 Environmental Conditions

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

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

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

• Vibration Resistance: 0.5 g (10 Hz ~ 60 Hz)

• Cooling Method: Natural convection cooling

4.6 Interface & Physical Characteristics

• Form Factor: PCB card / Rack-mount module (for CNC rack chassis)

• Connectors:

  • CN1: Control I/O connector (for CNC controller signals)

  • CN2: Motor encoder feedback connector

  • Power Terminals: 3-phase AC input (R/S/T) and motor output (U/V/W)

• Indicators: Power LED, Run status LED, Fault code LEDs

5. Key Features

• Unique PCB Card/Rack-Mount Design: Specifically engineered for installation in Yasnac CNC rack systems, differing from standard panel-mount drives.

• Precision CNC Axis Control: Optimized for high-precision positioning and contouring in CNC machine tools.

• High-Stability Performance: Ultra-smooth low-speed operation and fast dynamic response for demanding machining applications.

• AY1SR-Specific Configuration: Custom hardware and I/O logic for seamless compatibility with legacy Yasnac CNC controllers.

• Comprehensive Protection Suite: Built-in safeguards to protect the drive, motor, and machinery from faults.

• Compact & Robust: Industrial-grade PCB construction designed for reliable long-term operation in automated environments.

• Direct Compatibility: Fully matched for Yaskawa 0.2 kW AC servo motors in CNC applications.

6. Typical Applications

• Yasnac CNC System Axis Control (Lathes, Milling Machines, Machining Centers)

• Legacy CNC machine tool servo axis replacement

• Precision automation machinery requiring rack-mounted servo control

• Retrofit and maintenance of original OEM CNC equipment

• Specialized industrial automation with integrated PCB-based motion control

7. Compatibility & Replacement Notes

• Matched Motor: Yaskawa 0.2 kW AC servo motor (corresponding to the 'A' series specification)

• Compatibility: Exclusively designed for Yasnac CNC systems utilizing rack-mounted servo modules.

• Replacement: This is a specialized AY1SR variant. Direct replacement requires an identical CACR-SR02AY1SR unit to ensure full compatibility with the CNC rack interface, pin assignments, and control logic. Standard panel-mount models (e.g., AD1FR variants) are not interchangeable.

• Parameter Setting: Configuration is typically managed via the host Yasnac CNC controller or dedicated setup software.