Product Specification – CACR-SR15BZ1SM

1. General Information

• Manufacturer: Yaskawa Electric Corporation

• Part Number: CACR-SR15BZ1SM

• Product Type: Digital AC Servo Drive (SERVOPACK)

• Series: CACR-SR (VS-800 Series, BZ Sub-Series)

• Rated Output Power: 1.5 kW (1500W)

• Voltage Class: 200 VAC Three-Phase

• Protection Class: IP20

• Mounting Style: Base / Rack Mount

• Product Status: Legacy / Discontinued. Standard industrial servo drive for Yasnac CNC & automation systems.

• Certifications: CE marked

2. Product Overview

3. Model Number Decoding

• CACR: AC Servo SERVOPACK

• SR: Speed & Position Regulation type

• 15: Rated output power: 1.5 kW

• B: Voltage class: 200VAC

• Z: Absolute encoder compatible (Absolute position detection)

• 1: Control circuit / Interface revision number

• S: Standard industrial hardware configuration

• M: For use with Yaskawa M-series AC servomotors

4. Technical Specifications

4.1 Electrical Ratings

• Main Circuit Input: 3-phase 200–230 VAC, +10% / -15%, 50/60 Hz

• Control Circuit Input: Single-phase 200–230 VAC, +10% / -15%, 50/60 Hz

• Rated Continuous Output Current: 11.7 Arms

• Peak Output Current: 28.0 Arms (Short-time overload capacity)

• Control Method: IGBT PWM sine-wave modulation

4.2 Control Performance

• Primary Control Modes: Speed Control, Torque Control

• Speed Regulation Range: 1:3000

• Speed Regulation Accuracy:

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

  • Temperature variation: ±0.5%

• Command Input: Analog ±10 VDC (Speed/Torque reference)

• Response Bandwidth: Up to 400 Hz

4.3 Encoder Feedback

• Type: Absolute Encoder Interface

• Supported Resolutions: Compatible with standard absolute encoders (e.g., 6000 pulses/rev)

• Signal Interface: High-speed differential line-driver

• Key Feature: Non-volatile absolute position memory; maintains position data after power-off

4.4 Protection & Diagnostic Functions

• Overcurrent, Overvoltage, Undervoltage protection

• Electronic thermal overload protection

• Overtemperature protection

• Motor stall / locked-rotor detection

• Encoder signal fault / disconnection detection

• External emergency stop (EMG) input

• LED status & fault code display for quick diagnostics

• Regenerative discharge / Overrun prevention

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: Forced-air cooling

• Maximum Altitude: 1,000 m above sea level

4.6 Physical & Interface Characteristics

• Form Factor: Base-mounted / Rack-mounted module

• Weight: Approx. 8.0 kg (17.6 lb)

• Connectors:

  • CN1: Control I/O connector (Enable, Alarms, Analog reference)

  • CN2: Motor power & Encoder feedback connector

  • Power Terminals: R/S/T (Input), U/V/W (Motor Output)

• Indicators: Power (PWR), Run (RUN), Fault (FLT) LEDs

5. Key Features

• Absolute Encoder Support: Eliminates homing routines and ensures position integrity after power loss.

• High Precision & Stability: Ultra-smooth low-speed performance and minimal speed fluctuation.

• Fast Dynamic Response: Ideal for high-speed, high-precision positioning and start-stop applications.

• Standard Industrial Build: Robust S-series construction for continuous, reliable 24/7 operation.

• Comprehensive Protection: Full suite of safeguards to protect the drive, motor, and machine.

• M-Series Compatibility: Optimized for Yaskawa 1.5 kW M-series servomotors with absolute encoders.

• Easy Maintenance: Standard non-custom model, widely available for repair and replacement.

6. Typical Applications

• Yasnac CNC Machine Tools (Lathes, Milling Machines, Machining Centers)

• Precision Industrial Robotics

• Automated Assembly & Material Handling Systems

• Packaging, Printing, and Textile Machinery

• Applications requiring absolute position feedback

• Legacy equipment retrofitting, maintenance, and spare part replacement

7. Compatibility & Replacement Notes

• Matched Motor: Yaskawa 1.5 kW, 200V M-series servomotors with absolute encoders.

• System Compatibility: Fully compatible with standard Yasnac CNC systems and legacy automation platforms.

• Interchangeability: Direct replacement for other standard CACR-SR15BZ1SM drives. Not interchangeable with customized (-Yxxx), incremental encoder (e.g., BB-series), or other motor-series specific variants (e.g., -SF for F-series).

• Configuration: Parameters adjustable via front-panel keypad, digital operator, or host CNC system.