Product Specification – CACR-SR15SB1AF

1. General Information

• Manufacturer: Yaskawa Electric Corporation

• Part Number: CACR-SR15SB1AF

• Product Type: Digital AC Servo Drive (SERVOPACK)

• Product Series: Yaskawa CACR-SR / VS-800 Legacy Series

• Rated Output Power: 1.5 kW

• Voltage Class: 200 VAC Three-Phase

• Protection Class: IP20

• Mounting Form: Rack plug-in / Cabinet module type

• Product Status: Legacy discontinued standard servo drive, widely used for Yasnac CNC and industrial automation equipment maintenance replacement

2. Product Overview

3. Model Number Decoding

• CACR: AC Servo SERVOPACK

• SR: Speed & Position Regulation Series

• 15: Rated power 1.5 kW

• S: Rack plug-in module / Special structural form

• B: 200V voltage grade specification

• 1: Control circuit and interface version

• A: Control board hardware configuration

• F: Standard firmware & industrial version 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

• Rated Continuous Output Current: 10 A

• Peak Output Current: 30 A (short-time overload capacity)

• Control Method: IGBT sine-wave PWM modulation drive

4.2 Control Performance

• Control Modes: Speed control, Position 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

  • Speed / Torque: Analog ±10 VDC

  • Position: 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, strong anti-interference for long-distance wiring

• Compatible with Yaskawa standard 1.5 kW servo motor encoder

4.4 Protection & Diagnostic Functions

• Overcurrent protection

• Overvoltage / Undervoltage protection

• Electronic thermal overload protection

• Overtemperature protection

• Motor stall / locked rotor protection

• Encoder signal fault detection

• Emergency stop input & external interlock alarm

• LED fault code display for quick on-site troubleshooting

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

4.6 Interface Configuration

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

• CN2: Motor encoder feedback dedicated connector

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

• Status LED: Power, running status and fault code indication

5. Key Features

• 1.5kW high-power servo drive with high precision and smooth low-speed operation

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

• Standard analog voltage and differential pulse signal interface, easy system matching

• SB series standard platform, AF universal version with good interchangeability

• Complete multi-layer protection design to effectively protect drive and motor

• Rack plug-in structure, convenient cabinet installation and on-site replacement

• Perfect matching with Yaskawa 1.5kW servo motor and Yasnac CNC system

• Industrial grade design for long-term continuous stable operation

6. Typical Applications

• Yasnac CNC lathe, milling machine and machining center servo axis

• Heavy-duty industrial automation transmission equipment

• Packaging, printing and textile large production lines

• Old factory equipment renovation, servo drive replacement and daily maintenance

• Precision positioning and automated assembly motion control system

7. Compatibility & Replacement Notes

• Matched Motor: Yaskawa 1.5 kW 200V standard incremental encoder servo motor

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

• Replacement Note: Standard universal AF version, can be replaced with equivalent non-customized CACR-SR 1.5kW SB series models

• Parameter Setting: Adjustable via front panel keys or dedicated Yaskawa digital operator