Product Specification – CACR-SR20BB1BF 1. General Information Manufacturer: Yaskawa Electric Corporation Part Number: CACR-SR20BB1BF Product Type: Digital AC Servo Drive (SERVOPACK) Series: CACR-SR /
May 13, 2026

Product Specification – CACR-SR20BB1BF 1. General Information Manufacturer: Yaskawa Electric Corporation Part Number: CACR-SR20BB1BF Product Type: Digital AC Servo Drive (SERVOPACK) Series: CACR-SR /

CACR-SR20BB1BF is a high-performance full digital AC servo drive of Yaskawa classic CACR-SR series. It adopts BB series standard hardware platform, specially designed for matching 2.0 kW AC servo motors. It supports three working modes: position control, speed control and torque control. The drive adopts IGBT sine-wave PWM modulation technology, featuring ultra-stable low-speed operation, high positioning accuracy and fast dynamic response. This model is a non-customized standard universal version, built with complete protection functions and industrial rugged design. It is widely applicable to Yasnac CNC machine tools and general industrial automation production lines, with good interchangeability for old equipment renovation and spare parts replacement.

Description

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Product Specification – CACR-SR20BB1BF

1. General Information

  • Manufacturer: Yaskawa Electric Corporation

  • Part Number: CACR-SR20BB1BF

  • Product Type: Digital AC Servo Drive (SERVOPACK)

  • Series: CACR-SR / VS-800 Legacy Industrial Series

  • Rated Output Power: 2.0 kW

  • Voltage Class: 200 VAC Three-Phase

  • Protection Class: IP20

  • Mounting Style: Rack plug-in module type

  • Product Status: Discontinued standard universal model, commonly used for Yasnac CNC and industrial automation equipment maintenance and replacement

2. Product Overview

CACR-SR20BB1BF is a high-performance full digital AC servo drive of Yaskawa classic CACR-SR series. It adopts BB series standard hardware platform, specially designed for matching 2.0 kW AC servo motors. It supports three working modes: position control, speed control and torque control.
The drive adopts IGBT sine-wave PWM modulation technology, featuring ultra-stable low-speed operation, high positioning accuracy and fast dynamic response. This model is a non-customized standard universal version, built with complete protection functions and industrial rugged design. It is widely applicable to Yasnac CNC machine tools and general industrial automation production lines, with good interchangeability for old equipment renovation and spare parts replacement.

3. Model Number Decoding

  • CACR: AC Servo SERVOPACK

  • SR: Speed and position regulation series

  • 20: Rated output power 2.0 kW

  • B: Rack plug-in module structure

  • B: 200 VAC voltage grade specification

  • 1: Control circuit and interface version

  • A: Control board hardware configuration code

  • F: Standard industrial official firmware version, non-custom universal specification

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, ±15%, 50/60 Hz

  • Rated Continuous Output Current: 12 A

  • Peak Output Current: 36 A, short-time overload capability

  • Control Method: IGBT sine-wave PWM modulation drive

4.2 Control Performance

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

  • Speed Adjustment Range: 1:3000

  • Speed Regulation Accuracy

    • Load variation: ±0.01%

    • Temperature variation: ±0.5%

  • Response Bandwidth: Up to 400 Hz

  • Command Input Signal

    • Speed / Torque command: Analog ±10 VDC

    • Position command: Differential A/B/Z pulse train input

4.3 Encoder Feedback

  • Encoder Type: Incremental optical encoder

  • Feedback Signal: A, B, Z differential signal

  • Differential transmission design, strong anti-interference for long-distance wiring

  • Compatible with Yaskawa standard 2.0 kW incremental encoder servo motors

4.4 Protection and Diagnostic Functions

  • Overcurrent protection

  • Overvoltage / Undervoltage protection

  • Electronic thermal overload protection

  • Overtemperature protection

  • Motor stall and locked rotor protection

  • Encoder signal fault detection

  • Emergency stop input and external safety interlock alarm

  • LED fault code display for quick on-site 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: Forced air cooling

  • Maximum Operating Altitude: 1000 meters above sea level

4.6 Interface Configuration

  • CN1: Control signal I/O, analog command, servo enable, alarm input and output

  • CN2: Dedicated interface for motor encoder feedback

  • Main Terminal Block: 3-phase power input R/S/T and motor power output U/V/W

  • Status Indicator: Power, running status and fault code LED display

5. Key Features

  • 2.0 kW high-power standard servo drive, with high precision and smooth low-speed operation

  • Multiple control modes optional, compatible with CNC machining and various automation motion control

  • Standard analog voltage and differential pulse interface, convenient for system matching and field wiring

  • BB series universal hardware platform, BF standard version with excellent interchangeability

  • Complete multi-layer protection mechanism to protect servo drive and motor safely

  • Rack plug-in modular design, easy for cabinet installation and replacement maintenance

  • Perfect matching with Yaskawa 2.0 kW servo motors and Yasnac CNC systems

  • Industrial grade design, suitable for long-term continuous stable operation

6. Typical Applications

  • Yasnac CNC lathes, milling machines and machining center servo axes

  • Heavy-duty industrial automation transmission and handling equipment

  • Packaging, printing and textile large production lines

  • Old equipment renovation, servo drive spare parts replacement and daily maintenance

  • Precision positioning and automated assembly motion control systems

7. Compatibility and Replacement Notes

  • Matched Servo Motor: Yaskawa 2.0 kW 200V AC servo motor with incremental encoder

  • System Compatibility: Yasnac CNC system and mainstream industrial motion control equipment

  • Replacement Note: CACR-SR20BB1BF is a standard non-custom universal version, can be replaced with equivalent ordinary BB series 2.0kW standard models

  • Parameter Setting: Parameters can be freely adjusted via front panel keys or dedicated Yaskawa digital operator

1. General Information

  • Manufacturer: Yaskawa Electric Corporation

  • Part Number: CACR-SR20BB1BF

  • Product Type: Digital AC Servo Drive (SERVOPACK)

  • Series: CACR-SR / VS-800 Legacy Industrial Series

  • Rated Output Power: 2.0 kW

  • Voltage Class: 200 VAC Three-Phase

  • Protection Class: IP20

  • Mounting Style: Rack plug-in module type

  • Product Status: Discontinued standard universal model, commonly used for Yasnac CNC and industrial automation equipment maintenance and replacement

2. Product Overview

CACR-SR20BB1BF is a high-performance full digital AC servo drive of Yaskawa classic CACR-SR series. It adopts BB series standard hardware platform, specially designed for matching 2.0 kW AC servo motors. It supports three working modes: position control, speed control and torque control.
The drive adopts IGBT sine-wave PWM modulation technology, featuring ultra-stable low-speed operation, high positioning accuracy and fast dynamic response. This model is a non-customized standard universal version, built with complete protection functions and industrial rugged design. It is widely applicable to Yasnac CNC machine tools and general industrial automation production lines, with good interchangeability for old equipment renovation and spare parts replacement.

3. Model Number Decoding

  • CACR: AC Servo SERVOPACK

  • SR: Speed and position regulation series

  • 20: Rated output power 2.0 kW

  • B: Rack plug-in module structure

  • B: 200 VAC voltage grade specification

  • 1: Control circuit and interface version

  • A: Control board hardware configuration code

  • F: Standard industrial official firmware version, non-custom universal specification

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, ±15%, 50/60 Hz

  • Rated Continuous Output Current: 12 A

  • Peak Output Current: 36 A, short-time overload capability

  • Control Method: IGBT sine-wave PWM modulation drive

4.2 Control Performance

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

  • Speed Adjustment Range: 1:3000

  • Speed Regulation Accuracy

    • Load variation: ±0.01%

    • Temperature variation: ±0.5%

  • Response Bandwidth: Up to 400 Hz

  • Command Input Signal

    • Speed / Torque command: Analog ±10 VDC

    • Position command: Differential A/B/Z pulse train input

4.3 Encoder Feedback

  • Encoder Type: Incremental optical encoder

  • Feedback Signal: A, B, Z differential signal

  • Differential transmission design, strong anti-interference for long-distance wiring

  • Compatible with Yaskawa standard 2.0 kW incremental encoder servo motors

4.4 Protection and Diagnostic Functions

  • Overcurrent protection

  • Overvoltage / Undervoltage protection

  • Electronic thermal overload protection

  • Overtemperature protection

  • Motor stall and locked rotor protection

  • Encoder signal fault detection

  • Emergency stop input and external safety interlock alarm

  • LED fault code display for quick on-site 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: Forced air cooling

  • Maximum Operating Altitude: 1000 meters above sea level

4.6 Interface Configuration

  • CN1: Control signal I/O, analog command, servo enable, alarm input and output

  • CN2: Dedicated interface for motor encoder feedback

  • Main Terminal Block: 3-phase power input R/S/T and motor power output U/V/W

  • Status Indicator: Power, running status and fault code LED display

5. Key Features

  • 2.0 kW high-power standard servo drive, with high precision and smooth low-speed operation

  • Multiple control modes optional, compatible with CNC machining and various automation motion control

  • Standard analog voltage and differential pulse interface, convenient for system matching and field wiring

  • BB series universal hardware platform, BF standard version with excellent interchangeability

  • Complete multi-layer protection mechanism to protect servo drive and motor safely

  • Rack plug-in modular design, easy for cabinet installation and replacement maintenance

  • Perfect matching with Yaskawa 2.0 kW servo motors and Yasnac CNC systems

  • Industrial grade design, suitable for long-term continuous stable operation

6. Typical Applications

  • Yasnac CNC lathes, milling machines and machining center servo axes

  • Heavy-duty industrial automation transmission and handling equipment

  • Packaging, printing and textile large production lines

  • Old equipment renovation, servo drive spare parts replacement and daily maintenance

  • Precision positioning and automated assembly motion control systems

7. Compatibility and Replacement Notes

  • Matched Servo Motor: Yaskawa 2.0 kW 200V AC servo motor with incremental encoder

  • System Compatibility: Yasnac CNC system and mainstream industrial motion control equipment

  • Replacement Note: CACR-SR20BB1BF is a standard non-custom universal version, can be replaced with equivalent ordinary BB series 2.0kW standard models

  • Parameter Setting: Parameters can be freely adjusted via front panel keys or dedicated Yaskawa digital operator


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