Product Specification – CACR-SR15BY1SS-Y49

1. General Information

• Manufacturer: Yaskawa Electric Corporation

• Part Number: CACR-SR15BY1SS-Y49

• Product Type: Digital AC Servo Drive / SERVOPACK

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

• Rated Power: 1.5 kW

• Voltage Class: 200 VAC Three-phase

• Protection Class: IP20

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

• Product Status: Legacy discontinued OEM customized version, dedicated for CNC and automation equipment maintenance replacement

2. Product Overview

3. Model Number Definition

• CACR: AC Servo SERVOPACK

• SR: Speed and position regulation type

• 15: Rated power 1.5 kW

• B: 200V voltage grade specification

• Y: Absolute encoder compatible / dedicated CNC control version

• 1: Control circuit and interface version

• S: Special hardware configuration version

• S: Industrial standard hardware revision

• Y49: OEM customized special specification (fixed parameter, I/O logic and firmware)

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: 1.5 kW

• 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 signal

  • Speed / Torque command: Analog ±10 VDC

  • Position command: Differential pulse train input

• Custom feature: Y49 exclusive fixed parameters and interlock logic for dedicated equipment

4.3 Encoder Feedback

• Supported encoder: Absolute incremental composite encoder

• Feedback signal: A, B, Z differential signal

• Support power-off position memory, no need for repeated homing

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

4.4 Protection and Diagnosis Functions

• Overcurrent protection

• Overvoltage / Undervoltage protection

• Electronic thermal overload protection

• Overtemperature protection

• Motor locked rotor / stall protection

• Encoder signal fault detection

• External emergency stop and interlock alarm

• LED fault code display for fast 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 signal I/O, analog command, servo enable, alarm input and output

• CN2: Motor power and encoder feedback interface

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

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

5. Key Features

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

• Support absolute encoder, power-off position retention, simplify machine homing process

• Fast dynamic response, suitable for high-speed start-stop and precise positioning working conditions

• Y49 customized version with exclusive firmware and I/O logic, dedicated for designated OEM equipment

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

• Plug-in rack structure, convenient for cabinet installation and maintenance replacement

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

• Industrial grade long-term continuous operation reliability

6. Typical Applications

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

• Heavy-duty industrial automation and mechanical transmission equipment

• Packaging, printing and textile large production lines

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

• Precision motion control and automated assembly system

7. Compatibility & Replacement Notes

• Matched motor: Yaskawa 1.5 kW 200V AC servo motor with absolute encoder

• Compatible system: Special customized for specific Yasnac CNC and OEM equipment

• Important note: Y49 is a dedicated customized version, cannot be replaced by ordinary standard version; must use the same model CACR-SR15BY1SS-Y49 for direct replacement

• Parameter setting: Can be set through front panel keys or dedicated Yaskawa digital operator