Model Number Breakdown

• CACR: AC Servo Drive (SERVOPACK)

• SR: VS‑800 speed/position control series

• 15: 1.5 kW rated power

• B: For Yaskawa B‑series servo motors

• Y: Encoder interface type

• 1: 200 VAC three‑phase input

• S: Enhanced/modified I/O (vs standard “G”)

• S: Special hardware variant

• Y49: Custom firmware (Y49) for specific CNC/robotics tasks

Key Specifications

• Rated Power: 1.5 kW

• Input: Three‑phase 200–230 VAC, 50/60 Hz

• Output: Three‑phase 0–230 VAC, rated ~10 A

• Control Modes: Position (pulse), speed (±10 VDC), torque

• Encoder: Incremental (standard)

• Communication: RS‑232C/485, Modbus RTU

• Mounting: Panel‑mount (vertical)

• Ambient: 0–45°C operating; –20–60°C storage; ≤90% RH (non‑condensing)

• Protection: Overcurrent, overvoltage, undervoltage, overheat, encoder fault, overload

• Status: Discontinued; available as used/refurbished

Differences from Related Models

• CACR‑SR15BY1SG‑E: Standard firmware E, general‑purpose, standard I/O “G”

• CACR‑SR15BY1SG‑Y72: Custom firmware Y72, standard I/O “G”

• CACR‑SR15BY1SS‑Y49: Custom firmware Y49, enhanced I/O “S”, special hardware

Typical Applications

• CNC machine tools (lathes, mills)

• Robotics & automation (material handling, rotary tables)

• Retrofit/replacement for legacy VS‑800 systems requiring Y49 firmware

Availability

• Original production discontinued.

• Market supply: Tested used / refurbished units, typically with 6–12 months warranty.