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SGDM-15DN - Yaskawa SGDM-15DN 1.5 kW Sigma-II servo amplifier

Evidence-backed servo drive role for SGDM-15DN, with explicit installation boundaries.

Documented function

Rebuilt from individual evidence

System position

Unknown: Evidence boundary

The exact-reference listing identifies SGDM-15DN as a Yaskawa Sigma-II AC servo amplifier rated for 1.5 kW in a 400 V application class.

Yaskawa's SGDM manual documents mains input, motor output, control I/O, encoder, and regeneration connections for the SGDM SERVOPACK family.

The exact-reference listing describes SGDM-15DN as a component for precise axis control in industrial automation systems.

The drive sits between the upstream controller and the matched servo motor in the documented axis.

The drive converts controller references into controlled electrical output for the matched servo motor.

Unknown: The installed motor pairing, exact controller mode, parameter set, and machine load are not established by the captured sources.

Exact reference
SGDM-15DN
Category
Drives / VFD
Evidence checked
2026-09-12

System role

This section explains what the product does and where it acts in the surrounding system.

Function
Controls a matched Sigma-II servomotor from the SGDM 400 V servo amplifier stage.
System position
Sits between the host controller and matched servomotor in the SGDM servo axis.
Upstream / inputs
Receives controller commands and motor feedback through the documented SGDM control and encoder interfaces.
Downstream / outputs
Supplies controlled electrical output to the matched servomotor.
Limitations
Unknown: The installed motor pairing, exact controller mode, parameter set, and machine load are not established by the captured sources.

Evidence ledger

Facts, inferences, and unknowns are kept separate.

Facts

  • The exact-reference listing identifies SGDM-15DN as a Yaskawa Sigma-II AC servo amplifier rated for 1.5 kW in a 400 V application class.

    Confidence: high

  • Yaskawa's SGDM manual documents mains input, motor output, control I/O, encoder, and regeneration connections for the SGDM SERVOPACK family.

    Confidence: high

  • The exact-reference listing describes SGDM-15DN as a component for precise axis control in industrial automation systems.

    Confidence: high

Inferences

  • The drive sits between the upstream controller and the matched servo motor in the documented axis.

    Confidence: medium

    Rationale: The documented product type, interfaces, and motor or controller relationships support this system position.

  • The drive converts controller references into controlled electrical output for the matched servo motor.

    Confidence: medium

    Rationale: The documented control interfaces and motor or feedback connections support this signal and power path.

Unknowns

  • Unknown: The installed motor pairing, exact controller mode, parameter set, and machine load are not established by the captured sources.

    Confidence: low

    Missing evidence: The installed motor pairing, exact controller mode, parameter set, and machine load are not established by the captured sources.

System position diagram

Diagram showing SGDM-15DN between a motion controller and a matched servo motor.

Reading limit: system position only, not a wiring or safety drawing.

System position of SGDM-15DN from the captured evidence.

Enlarged system diagram

Diagram showing SGDM-15DN between a motion controller and a matched servo motor.

System position of SGDM-15DN from the captured evidence.

View Mermaid source
flowchart LR
  controller[Motion controller] --> unit[SGDM-15DN]
  unit --> motor[Matched servo motor]
View diagram labels
Nodes
Motion controller; SGDM-15DN; Matched servo motor
Edges
Upstream control reaches the product; The product provides the documented downstream function

Next action

Decision: The captured evidence supports the documented servo drive role for SGDM-15DN; verify the installed system before replacement.

Next action: Match the exact reference, compatible controller or amplifier, feedback arrangement, and site conditions against the cited documents before sourcing.

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