Kollmorgen CP320260

Kollmorgen CP320260

Product Introduction
CP320260 is a smart power stage module from Kollmorgen, designed to provide stable power supply and precise PWM amplification for servo motors. The module is built around a robust SERVOSTAR CD-based power stage and is specifically designed for direct connection to Delta Tau PMAC2 motion controllers, where the PMAC generates the PWM signals. It features fully isolated electronics, comprehensive self-protection mechanisms, and multiple current rating options.

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Description

Kollmorgen CP320260

Technical Specifications

  • Product Series: Smart Power Stage (SP)
  • Continuous Current Ratings: 3A, 6A, 10A, 20A models available
  • Peak Current Ratio: 1:3 for 3A and 6A models; 1:2 for 10A and 20A models
  • PWM Switching Frequency: Up to 15/7 kHz
  • Input: Direct digital PWM input from PMAC2
  • Optional Input: 24VDC input available
  • Feedback: Serial digital current feedback for U and V phases
  • Connector: Mini D-type connector for direct PMAC2 connection
  • Regenerative Resistor: Compatible with Kollmorgen ERH-26 regenerative resistor

Functional Features

  • Robust Power Stage: Built on the proven SERVOSTAR CD power stage platform.
  • Fully Isolated Electronics: Complete electrical isolation between control and power sections.
  • Comprehensive Self-Protection: Overvoltage, undervoltage, overtemperature, short circuit, excessive switching frequency, and cross-conduction protection.
  • Internal Dead-Time Protection: Prevents shoot-through conditions in the power stage.
  • 7-Segment Display: Displays fault codes for rapid diagnostics.
  • Direct PMAC2 Interface: Mini D-type connector for direct connection to Delta Tau PMAC2 motion controllers.
  • Serial Digital Current Feedback: Provides U and V phase current feedback to the controller.

Application Scenarios

  • CNC Machine Tools: Feed axis and spindle drive with PMAC2-based motion control.
  • Industrial Robots: Joint drive with PMAC2 multi-axis coordination.
  • Automated Equipment: General-purpose servo drive applications requiring integration.
  • Precision Positioning Systems: Applications requiring high-resolution current feedback.

Performance Parameters

  • Continuous Current: 3A, 6A, 10A, or 20A depending on model
  • Peak Current: Up to 3× continuous for smaller models, 2× continuous for larger models
  • PWM Switching Frequency: Up to 15/7 kHz

Material Composition
Industrial-grade power electronics with onboard EMC filtering. Robust housing designed for panel mounting in control cabinets.

Structural Features
Compact design with integrated power and braking resistors. MMC card slot for field parameter backup. Multiple communication and feedback connectors.

Working Principle
The drive connects directly to the grounded AC mains, converts the input through a rectifier stage to DC bus voltage, and uses a PWM inverter to deliver precisely controlled three-phase AC to the servo motor. The digital control system executes high-speed current, speed, and position loops while the IEC 61131 macro programming language provides flexible onboard motion logic.

Installation Requirements

  • Must be connected to a grounded power supply.
  • Install in a control cabinet with adequate ventilation.
  • Use the MMC card to back up parameters before commissioning.
  • Configure safety functions according to the application safety requirements.

Usage Notes

  • Verify the input voltage range matches the site power supply (110–480VAC).
  • Use the auto-tuning function for initial commissioning.
  • Back up parameters and firmware to the MMC card for field replacement.
  • Configure safety expansion cards according to the required SIL level.
  • Ensure single-cable feedback connections are properly terminated.

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