Siemens 6SL3544-0FA20-1FA0 SINAMICS G120D CU240D PN control unit

The captured listing identifies 6SL3544-0FA20-1FA0 as a SINAMICS G120D CU240D PN PROFINET control unit. The listing documents PTC/KTY and encoder interfaces, an IP65 enclosure, and operation without a power module.

System function and position

Rebuilt from individual evidence

The captured listing identifies 6SL3544-0FA20-1FA0 as a SINAMICS G120D CU240D PN PROFINET control unit.

The listing documents PTC/KTY and encoder interfaces, an IP65 enclosure, and operation without a power module.

Sits at the control layer of the distributed G120D drive, alongside the separate power module.

Unknown: installed topology, wiring, firmware, unit condition, and replacement compatibility for 6SL3544-0FA20-1FA0 require separate evidence.

Exact reference: 6SL3544-0FA20-1FA0
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 connected SINAMICS G120D drive through its PROFINET and control interfaces.
System position: Sits at the control layer of the distributed G120D drive, alongside the separate power module.
Upstream / inputs: Receives PROFINET commands and motor or temperature feedback through the documented interfaces.
Downstream / outputs: Sends control signals to the downstream G120D power stage.
Limitations: Unknown: installed topology, wiring, firmware, unit condition, and replacement compatibility for 6SL3544-0FA20-1FA0 require separate evidence.

Evidence ledger

Facts, inferences, and unknowns are kept separate.

Facts

The captured listing identifies 6SL3544-0FA20-1FA0 as a SINAMICS G120D CU240D PN PROFINET control unit.
Confidence: medium
- www.plswiss.com — retrieved 2026-09-12; medium confidence
The listing documents PTC/KTY and encoder interfaces, an IP65 enclosure, and operation without a power module.
Confidence: medium
- www.plswiss.com — retrieved 2026-09-12; medium confidence

Inferences

Inferred system position: Sits at the control layer of the distributed G120D drive, alongside the separate power module.
Confidence: medium
Rationale: The exact product description and documented operating context establish this system placement.
- www.plswiss.com — retrieved 2026-09-12; medium confidence

Unknowns

Unknown: installed topology, wiring, firmware, unit condition, and replacement compatibility for 6SL3544-0FA20-1FA0 require separate evidence.
Confidence: low
Missing evidence: The individual lookup does not establish the installed topology, wiring, firmware, unit condition, or replacement fit.

System position diagram

A flow from the upstream system through 6SL3544-0FA20-1FA0 to the downstream drive system. — Sits at the control layer of the distributed G120D drive, alongside the separate power module.

View Mermaid source

flowchart LR
  upstream["Upstream system"] --> item["6SL3544-0FA20-1FA0"]
  item --> downstream["Downstream drive system"]

View diagram labels

Nodes: Upstream system; 6SL3544-0FA20-1FA0; Downstream drive system
Edges: Documented input path; Documented output path

Next action

The captured evidence supports the documented system role for 6SL3544-0FA20-1FA0.

Unknown: installed topology, wiring, firmware, unit condition, and replacement compatibility for 6SL3544-0FA20-1FA0 require separate evidence.

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