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R88D-KN04H-ML2 - Omron G5 MECHATROLINK-II servo drive

Documented MECHATROLINK-II servo-drive role for R88D-KN04H-ML2, with source-backed evidence and explicit installation boundaries.

Documented function

Rebuilt from individual evidence

System position

Unknown: Evidence boundary

Omron identifies R88D-KN04H-ML2 as a G5 AC servo drive with built-in MECHATROLINK-II communications for a 400 W motor.

The drive accepts single-phase or three-phase 200 to 240 VAC main-circuit input.

The drive supports position, speed, and torque control modes.

The drive sits between the MECHATROLINK-II controller and the matched servo motor in the documented system.

The drive converts network motion commands into controlled electrical output for the motor.

Unknown: The installed controller configuration, motor pairing, firmware, and machine load are not established by the captured sources.

Exact reference
R88D-KN04H-ML2
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 the matched servo motor through MECHATROLINK-II motion commands.
System position
Sits between the MECHATROLINK-II controller and the matched servo motor.
Upstream / inputs
Receives MECHATROLINK-II motion commands and AC supply from the upstream system.
Downstream / outputs
Provides controlled electrical output to the matched servo motor.
Limitations
Unknown: The installed controller configuration, motor pairing, firmware, and machine load are not established by the captured sources.

Evidence ledger

Facts, inferences, and unknowns are kept separate.

Facts

  • Omron identifies R88D-KN04H-ML2 as a G5 AC servo drive with built-in MECHATROLINK-II communications for a 400 W motor.

    Confidence: high

  • The drive accepts single-phase or three-phase 200 to 240 VAC main-circuit input.

    Confidence: high

  • The drive supports position, speed, and torque control modes.

    Confidence: high

Inferences

  • The drive sits between the MECHATROLINK-II controller and the matched servo motor in the documented system.

    Confidence: medium

    Rationale: The manufacturer identifies the communication interface and control modes for a matched servo motor.

  • The drive converts network motion commands into controlled electrical output for the motor.

    Confidence: medium

    Rationale: The documented fieldbus interface and servo control modes support this system-level signal path.

Unknowns

  • Unknown: The installed controller configuration, motor pairing, firmware, and machine load are not established by the captured sources.

    Confidence: low

    Missing evidence: The installed controller configuration, motor pairing, firmware, and machine load are not established by the captured sources.

System position diagram

Diagram showing R88D-KN04H-ML2 between MECHATROLINK-II controller and Matched servo motor.

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

System position of R88D-KN04H-ML2 from the captured evidence.

Enlarged system diagram

Diagram showing R88D-KN04H-ML2 between MECHATROLINK-II controller and Matched servo motor.

System position of R88D-KN04H-ML2 from the captured evidence.

View Mermaid source
flowchart LR
  upstream[MECHATROLINK-II controller] --> unit[R88D-KN04H-ML2]
  unit --> downstream[Matched servo motor]
View diagram labels
Nodes
MECHATROLINK-II controller; R88D-KN04H-ML2; 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 MECHATROLINK-II servo-drive role for R88D-KN04H-ML2; verify the installed system before replacement.

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

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