1. Basic Overview

Model Code Definition: CIMR-VMS25P5

• CIMR = Yaskawa standard inverter prefix

• VMS = 626VM3S spindle special series

• 2 = 200V input voltage class

• 5P5 = Rated motor power: 5.5kW (7.5HP)

  Application: CNC lathe/milling machine spindle motor high-speed drive, traditional machining center spindle control

2. Electrical Ratings

Input Specification

Output Specification

• Rated applicable motor: 5.5kW

• Rated output current: 33A

• Output voltage: 0~AC230V

• Max output frequency: 0.1Hz ~ 400Hz (spindle high-speed exclusive)

• Control Mode: Closed/open loop vector control + V/F dual control, optimized for spindle low-speed high torque output

Overload Capacity

3. I/O & Communication Configuration

• Digital Input: Multi-channel 24VDC sink/source selectable DI for forward/reverse run, fault reset, multi-speed switching

• Analog Input: 0~10VDC / 4~20mA configurable for analog spindle speed command

• Digital Output: Relay + open-collector DO for running status, fault alarm signal feedback

• Communication: Built-in RS232/RS485, supports Modbus-RTU; optional Mechatrolink bus interface for CNC system linkage

• Built-in brake transistor, compatible with external dynamic braking resistor for rapid spindle stop

4. Environmental & Mechanical Data

• Protection Grade: IP20, cabinet wall-mounted indoor installation

• Operating ambient temperature: 0℃ ~ +40℃; storage temperature: -20℃ ~ +60℃

• Ambient humidity: 5%~95%RH non-condensing, no corrosive gas or conductive dust

• Net weight: Approx 4kg (≈55lb)

• Production Status: Original manufacturing stopped; only refurbished/used spare available for old CNC equipment maintenance

5. Core Spindle-Dedicated Functions

1. Wide-range high-frequency output up to 400Hz for ultra-high-speed spindle machining

2. Custom S-curve acceleration/deceleration curve for smooth spindle start-stop, reduce tool vibration

3. Complete protection: Overcurrent(OC), overvoltage(OV), undervoltage(UV), heatsink overheat, motor overload, output short-circuit & earth fault protection

4. JVOP-100 digital operator for parameter setup, real-time frequency display and fault code diagnosis

6. Modern Replacement Recommendation