CR06703 (CR06703-R)

Kollmorgen ServoStar CR06703-R Digital Servo Drive

(AKM Series Motor Compatible)

1. General Description

2. Model Meaning

• CR: ServoStar CR series

• 06: Continuous output current 6 Arms

• 703: Voltage/power class (115–230 VAC, higher power than CR06260)

• -R: Standard resolver feedback version (common for AKMxx-xxxR-00 motors)

3. Technical Specifications

Power Input

• Voltage: 115 / 230 VAC ±10%

• Phase: 1φ or 3φ

• Frequency: 50 / 60 Hz

• Input Current: 1φ ≈ 10 A; 3φ ≈ 7.8 A

• Input Capacity: 1.8–2.8 kVA

Motor Output

• Continuous Current: 6 Arms

• Peak Current: 18 Arms (3× overload)

• Output Power: 1.4–2.2 kVA

• Compatible Motors: AKM series up to ~4 kW (including AKM54K, AKM65M)

DC Bus

• Undervoltage: 90 VDC

• Overvoltage: 430 VDC

• Built-in regenerative braking

Feedback

• ✅ Resolver (standard, -R version)

• ✅ Incremental encoder (option)

• ✅ Absolute encoder (option)

Safety & Communication

• ✅ STO (Safe Torque Off)

• Fieldbus: EtherCAT, CANopen, SERCOS III

• Analog / pulse command support

Mechanical & Environmental

• Protection: IP20

• Cooling: Forced air (internal fan)

• Operating Temp: 0 °C ~ +40 °C

• Dimensions: ~220 × 150 × 75 mm

4. Compatible Motors

• AKM54K-ACCNR00

• AKM65M-ANCNR-00

• Other low/medium-power AKM models

5. Key Features

• Higher power rating than CR06260

• Compact size, easy cabinet mounting

• 300% short-time overload capability

• Multiple feedback options (resolver default)

• Multiple bus & analog/pulse control

• Integrated STO safety

• CE, UL, RoHS compliant