The Danaher Motion / Kollmorgen SERVOSTAR 603 is a fully digital servo amplifier engineered for high-performance motion control in industrial automation and robotics. This compact drive delivers advanced commutation technology with PI and PDFF digital control loop options, supporting velocity loop bandwidths up to 400 Hz. The amplifier accepts 3-phase AC input at 230–480 V (50/60 Hz) or 400–480 V, with continuous output of 3 A RMS per phase and peak capability of 6 A RMS per phase. Maximum DC bus link voltage reaches 675 V.
## Technical Specifications
• **Input Power:** 3-phase, 230–480 V at 50/60 Hz or 400–480 V
• **Continuous Current:** 3 A RMS per phase
• **Peak Current:** 6 A RMS per phase
• **Power Rating:** 1.2 kW or 2 kVA (configuration-dependent)
• **DC Bus Link Voltage:** Up to 675 V maximum
• **Switching Frequency:** 8 kHz or 16 kHz motor current ripple frequency
• **Velocity Loop Bandwidth:** Up to 400 Hz maximum closed loop
• **Operating Temperature:** 0–40 °C (derated above ambient to 55 °C)
• **Storage Temperature:** −25 °C to 55 °C
• **Dimensions:** 275 × 265 × 70 mm
• **Weight:** 4.2 kg
• **Ingress Protection:** IP20
## Key Features
• Patented DQ and Torque Angle Control with advanced sinewave commutation
• Dual feedback support: resolver or high-accuracy sine encoder
• Built-in encoder equivalent output eliminates separate position feedback device
• Memory capacity for up to 180 motion profiles
• Configurable analog I/O: 2 inputs (±10 V, 12/14-bit resolution), 2 outputs (±10 V, 10-bit resolution)
• Configurable digital I/O: 4 inputs and 2 outputs standard; optional card supports 14 inputs and 8 outputs
• RS-232 serial communication
• Drive status relay with contact closure rated 0.5 A at 24 V
• Pluggable connectors for straightforward installation
• Easy-to-tune servo loops
• Restart lock function (−AS variant) prevents restart until motor stops
## Typical Applications
• Industrial automation systems
• Robotic motion control
• CNC machine integration
• Precision positioning
## Compatibility & Integration
The SERVOSTAR 603 operates with servo motors rated at equal or greater voltage. Variants include SERVOSTAR 603-AS, S60300, and S60301-NA. CNC control interface compatible. Available model options span 1.5 to 70 A nominal current range within the SERVOSTAR 600 series.
