Kollmorgen DIGIFAS 7202

Product Name DIGIFAS 7202 Digital Servo Drive

Product Description The DIGIFAS 7202 is a high-performance digital servo drive manufactured by Kollmorgen, part of the DIGIFAS 7000 series. It is designed for precision motion control applications, supporting both brushless servo motors and DC brushed motors with high dynamic response and control accuracy.

Category:
Description

Technical Specifications

  • Continuous output current: 2A
  • Peak output current: 6A (3 seconds)
  • Input power supply: 24V to 80V DC
  • Control modes: position control, velocity control, torque control
  • Feedback support: incremental encoder, Hall sensors

Functional Features

  • Full digital current, velocity and position three-loop control
  • Built-in auto-tuning function for fast servo system commissioning
  • Support for electronic gearing and point-to-point positioning
  • Multiple communication options including RS-232 and CANopen
  • Comprehensive protection functions including overcurrent, overvoltage and overheat

Application Scenarios

  • Semiconductor manufacturing equipment
  • Medical and laboratory automation devices
  • Small precision assembly machinery
  • Packaging and labeling equipment feed axes

Performance Parameters

  • Current loop bandwidth: up to 2kHz
  • Velocity loop bandwidth: up to 500Hz
  • Positioning accuracy: depends on encoder resolution
  • Operating ambient temperature: 0°C to +45°C
  • Protection class: IP20

Material Composition

  • Housing: aluminum alloy extrusion for heat dissipation
  • Power stage: MOSFET power devices
  • Control circuit: high-performance DSP processor
  • Connectors: industrial-grade D-sub and terminal blocks

Structural Features

  • Panel-mount design with integrated heat sink housing
  • Front-facing connectors for power, motor and signals
  • Compact form factor for installation in limited cabinet space
  • LED status indicators for power, enable and fault status

Working Principle The drive receives motion commands from the host controller, and compares the feedback signals of motor position, speed and current with the command values through the three-loop control algorithm. It outputs PWM drive signals to the power stage to control the motor stator current and magnetic field, realizing precise control of motor torque, speed and position. The closed-loop regulation structure ensures high dynamic response and stable operation of the servo system.

Installation Requirements

  • Install vertically on a flat metal mounting plate to ensure heat dissipation
  • Reserve sufficient clearance around the drive for air circulation
  • Use shielded cables for motor power and encoder wiring
  • Separate power cables from signal cables to reduce electromagnetic interference
  • The drive chassis must be reliably connected to the protective ground

Usage Precautions

  • Ensure the input power supply voltage matches the drive rating
  • Do not connect or disconnect motor cables when the drive is enabled
  • Set motor parameters correctly before operation to avoid motor damage
  • Do not block the heat sink vents to prevent overheating faults
  • Before performing maintenance, wait for the internal bus capacitor to discharge completely
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