Product Specification – CACR-SR15SZ1SS-Y125

1. General Information

• Manufacturer: Yaskawa Electric Corporation

• Part Number: CACR-SR15SZ1SS-Y125

• Product Type: Digital AC Servo Drive (SERVOPACK)

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

• Rated Output Power: 1.5 kW

• Voltage Class: 200 VAC Three-Phase

• Protection Class: IP20

• Mounting Style: Rack plug-in module type

• Product Status: Discontinued legacy OEM customized version, specially used for Yasnac CNC and dedicated automation equipment one-to-one replacement maintenance

2. Product Overview

3. Model Number Decoding

• CACR: AC Servo SERVOPACK

• SR: Speed and position regulation series

• 15: Rated power 1.5 kW

• S: Rack plug-in module structure

• Z: SZ special hardware platform

• 1: Control circuit and interface version

• S: Control board hardware configuration

• S: Basic standard firmware version

• Y125: OEM custom code, factory locked parameters, dedicated I/O and CNC tuning for designated equipment

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: 9.9 A

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

• 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 Signal

  • Speed / Torque: Analog ±10 VDC

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

• Custom Feature: Y125 internal parameters and logic are factory locked, no random modification allowed

4.3 Encoder Feedback

• Encoder Type: Incremental optical encoder

• Feedback Signal: A, B, Z differential signal

• Long-distance transmission with strong anti-interference performance

• Compatible with Yaskawa 1.5 kW 200V incremental encoder servo motor

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 and external safety interlock protection

• LED fault code indication 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

• Maximum Altitude: 1000 meters above sea level

4.6 Interface Configuration

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

• CN2: Motor encoder dedicated interface

• Main Terminal: R/S/T three-phase input, U/V/W motor output

• Status Indicator: LED display for power, running state and fault code

5. Key Features

• 1.5 kW high-precision servo drive, stable low-speed operation and fast dynamic response

• Support multi-mode control, suitable for CNC machining and industrial automation motion control

• Standard analog and differential pulse interface, convenient for system connection

• SZ hardware platform with industrial stable and reliable performance

• Y125 customized locked firmware and parameters, exclusive for designated OEM machine tools

• Perfect multi-protection design to ensure safe operation of drive and motor

• Rack plug-in design, easy installation, disassembly and replacement

• Matched with Yaskawa 1.5 kW servo motor and specific Yasnac CNC system

• Long-term continuous operation suitable for industrial site environment

6. Typical Applications

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

• OEM customized industrial automation production line

• Packaging, printing, textile heavy-duty mechanical equipment

• Legacy CNC equipment renovation and exclusive spare parts replacement

• Precision positioning and automated assembly motion control system

7. Compatibility and Replacement Notes

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

• System Compatibility: Only applicable to original equipment supporting Y125 customized version

• Replacement Reminder: Y125 is a dedicated custom model, not interchangeable with standard SZ1SS or other Y-code versions; must use identical CACR-SR15SZ1SS-Y125 for replacement

• Parameter Setting: Internal parameters are factory locked, modification is not recommended to avoid machine abnormal operation.