Parker GV6K-U6E

Parker GV6K-U6E

Product Introduction GV6K-U6E is a digital servo drive from Parker Gemini GV6 series. It receives step & direction, ±10 V analog or serial motion commands, and drives brushless or brushed servo motors for single axis positioning control. The unit integrates power stage, position loop controller and fault diagnostic circuit. It provides high performance motion control for automated machinery, supporting multiple feedback types and rich digital I/O for machine interlock.

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Description

Parker GV6K-U6E

Technical Specifications

  • Product Type: Single axis digital servo drive
  • Input Power: 110-240 V AC single phase
  • Continuous Motor Output Power: 6 kW
  • Control Signal Options: Step & direction, ±10 V velocity / torque command, RS232 / RS485 serial command
  • Feedback Types: Incremental encoder, resolver
  • Digital Inputs: 8 optically isolated discrete inputs
  • Digital Outputs: 4 relay or open collector outputs
  • Communication Interfaces: RS232, RS485
  • Protection Functions: Overcurrent, overvoltage, undervoltage, overtemperature, encoder fault, motor overload
  • Protection Rating: IP20
  • Operating Temperature: 0 °C to +45 °C
  • Mounting: Vertical panel mounting inside control cabinet
  • Cooling: Forced air internal fan cooling

Functional Features

  1. Single axis closed-loop position, speed and torque control for brushed and brushless servo motors.
  2. Multiple command source selection supports pulse command, analog voltage and serial command.
  3. 8 optically isolated digital inputs accept home, limit, enable and machine interlock signals.
  4. 4 digital outputs provide fault, in-position and motion status signals to PLC.
  5. Built-in auto-tuning function optimises servo loop gain for different mechanical loads.
  6. Onboard motion profile generator executes point-to-point positioning without external pulse controller.
  7. Internal fault diagnostic function records fault code and waveform snapshot for troubleshooting.
  8. RS232 / RS485 serial port connects to PC configuration software or host PLC.
  9. Front panel LED indicators show power, run, fault and axis status.
  10. Overload and short circuit protection limits fault propagation to machine mechanics.

Application Scenarios

  • CNC machine tool single axis servo positioning
  • Automated cutting and laser processing equipment
  • Material handling gantry axis motion control
  • Printing and converting machinery servo drive
  • Automated assembly station positioning axis

Material Composition

  • Enclosure: Cold rolled steel metal casing with powder coating
  • Main PCB: FR4 printed circuit board with conformal coating
  • Power components: IGBT power switching modules
  • Control processor: Industrial digital signal processor
  • Terminal blocks: Tin-plated copper alloy screw terminals
  • Communication connectors: D-Sub gold plated connectors for encoder and serial port

Structural Characteristics

  • Vertical rectangular metal cabinet structure for cabinet mounting.
  • Front panel with status LED indicators and ventilation grilles.
  • Internal fan mounted at bottom for upward forced convection cooling.
  • Rear terminal blocks for AC power, motor power, encoder and digital I/O wiring.
  • Internal isolation barrier separates high voltage power circuit and low voltage signal circuit.
  • Compact vertical form factor designed for installation in industrial control cabinet.

Working Principle Host controller sends motion command via pulse, analog voltage or serial communication to GV6K-U6E. Drive DSP compares command position and actual encoder feedback position, calculates control output through PID algorithm. IGBT power stage converts AC input power into variable frequency three-phase AC to drive servo motor. Encoder signal feeds back to drive continuously to close position loop. Digital I/O circuit reads machine limit and enable signals, and outputs motion status. When fault condition exceeds threshold, drive cuts motor power and latches fault alarm.

Installation Requirements

  • Mount drive vertically inside control cabinet with specified clearance above and below for airflow.
  • Use shielded twisted pair cable for motor power and encoder feedback wiring.
  • Separate high power motor cable from low voltage signal cable in cable tray.
  • Complete protective earth connection for drive metal housing.
  • Execute motor setup and servo auto-tuning after wiring completion.
  • Test limit switch, home switch and emergency stop interlock circuit.
  • Verify encoder wiring polarity and count direction before full operation test.

Usage Notes

  • Do not operate drive with cooling fan failure.
  • Keep cabinet air inlet filter clean to prevent dust accumulation blocking airflow.
  • Do not connect motor load exceeding rated power specification.
  • Backup parameter settings before firmware upgrade or modification.
  • Disconnect AC input power and discharge DC bus capacitor before wiring modification.
  • Use anti-static wristband when handling encoder and control connectors.
  • Replace drive immediately when permanent power stage or control hardware fault occurs.

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