SGD7S Sigma-7Siec

Compact, cost-saving single axis controller/amplifier

Put complete control for a single axis of servo motion in one compact unit that conserves space in control cabinets. Sigma-7 Siec combines a Sigma-7 SERVOPACK amplifier and one axis of machine control in the space of a conventional amplifier, at a significant savings when compared to a pair of separate components.

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Single Axis Controller Features

  • Compact package
  • IEC61131-3 and PLCopen programming standard
  • Controller and SERVOPACK integrated in one compact unit
  • Single axis of motion control
  • Open standards EtherNet/IP and Modbus TCP for connectivity to nearly every PLC, HMI and remote I/O (Including our very own VIPA SLIO I/O) on the market
  • Built-in web server with standard controller diagnostic features


  • Industry-leading 3.1kHz bandwidth significantly improves settling time.
  • Tuning-less capability reliably tunes servo system automatically – no user adjustment needed.
  • Powerful package of tuning functions include compensation for the effects of machine inertia, vibration, friction, and ripples in output.
  • Maintains tuning accuracy despite inertia changes up to 30:1.
  • IEC 61508 SIL3 safety certification.
  • Completely compatible with Sigma-5 servo motors.
  • Improved filtering minimizes inaccuracies due to electrical interference, machine resonance and mechanical vibration.

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