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6sn1118-0dm21-0AA0 - SIMODRIVE 611-D two-axis closed-loop control plug-in unit

Evidence-based English reference page for 6sn1118-0dm21-0AA0 and its documented system role.

6sn1118-0dm21-0AA0: SIMODRIVE 611-D two-axis closed-loop control plug-in unit

Rebuilt from individual evidence

System role and integration

Unknown: evidence limits are source-limited.

Fresh evidence identifies 6sn1118-0dm21-0AA0 as SIMODRIVE 611-D two-axis closed-loop control plug-in unit.

The data sheet specifies standard closed-loop control 2 without a direct measuring system, with a maximum of two FDD axes or one MSD axis.

System role: Controls closed-loop motion axes within a SIMODRIVE 611-D drive system. Sits in the drive system control layer between the motion-command path and the associated power section and motor axes.

Unknown: exact firmware, wiring, commissioning state, and compatibility with a particular machine are not established by the consulted data sheet.

Exact reference
6sn1118-0dm21-0AA0
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 closed-loop motion axes within a SIMODRIVE 611-D drive system.
System position
Sits in the drive system control layer between the motion-command path and the associated power section and motor axes.
Upstream / inputs
Receives axis-control commands through the SIMODRIVE 611-D system.
Downstream / outputs
Provides regulated control signals for the connected FDD or MSD axis path.
Limitations
Unknown: exact firmware, wiring, commissioning state, and compatibility with a particular machine are not established by the consulted data sheet.

Evidence ledger

Facts, inferences, and unknowns are kept separate.

Facts

  • The consulted data sheet identifies 6sn1118-0dm21-0AA0 as a SIMODRIVE 611-D closed-loop control plug-in unit for two axes.

    Confidence: medium

  • The data sheet specifies standard closed-loop control 2 without a direct measuring system, with a maximum of two FDD axes or one MSD axis.

    Confidence: medium

Inferences

  • Controls closed-loop motion axes within a SIMODRIVE 611-D drive system.

    Confidence: medium

    Rationale: This is an explicit system-level inference from the exact-reference identity and system facts.

  • Sits in the drive system control layer between the motion-command path and the associated power section and motor axes.

    Confidence: medium

    Rationale: This is an explicit system-level inference from the exact-reference identity and system facts.

  • Receives axis-control commands through the SIMODRIVE 611-D system.

    Confidence: medium

    Rationale: This is an explicit system-level inference from the documented system context.

  • Provides regulated control signals for the connected FDD or MSD axis path.

    Confidence: medium

    Rationale: This is an explicit system-level inference from the documented system context.

Unknowns

  • Unknown: exact firmware, wiring, commissioning state, and compatibility with a particular machine are not established by the consulted data sheet.

    Confidence: low

    Missing evidence: The consulted source does not establish all installation, revision, condition, and compatibility details.

System position diagram

System position of 6sn1118-0dm21-0AA0 between upstream inputs and downstream outputs.

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

System path inferred from the exact-reference evidence; installation compatibility remains source-limited.

Enlarged system diagram

System position of 6sn1118-0dm21-0AA0 between upstream inputs and downstream outputs.

System path inferred from the exact-reference evidence; installation compatibility remains source-limited.

View Mermaid source
flowchart LR
  upstream["Receives axis-control commands through the SIMODRIVE 611-D system."] --> part["6sn1118-0dm21-0AA0 - SIMODRIVE 611-D two-axis closed-loop control plug-in unit"]
  part --> downstream["Provides regulated control signals for the connected FDD or MSD axis path."]
View diagram labels
Nodes
Receives axis-control commands through the SIMODRIVE 611-D system.; 6sn1118-0dm21-0AA0 - SIMODRIVE 611-D two-axis closed-loop control plug-in unit; Provides regulated control signals for the connected FDD or MSD axis path.
Edges
Upstream input to the referenced product.; Referenced product output to the downstream system.

Next action

Use this evidence-based page as a reference for 6sn1118-0dm21-0AA0; verify the installation before replacement.

Unknown: verify the exact installation, interface, revision, and condition before ordering or replacing 6sn1118-0dm21-0AA0.

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