6ES5981-0HA11 - SIMATIC S5 long-rack fan subassembly

SIMATIC S5 long-rack fan subassembly that moves cooling air through a long S5 rack to support thermal management.

Documented system function

Rebuilt from individual evidence

System position

Documented characteristics

The source identifies this exact reference as a SIMATIC S5 fan subassembly for long mounting racks.

In the documented system, it routes cooling air through a long S5 rack to support thermal management.

The source documents 115/230 V AC input and dimensions 423 x 110 x 135 mm.

Inferred system position: inside the long-rack cooling path, adjacent to the S5 power and module assembly.

Exact reference: 6ES5981-0HA11
Category: PLC / CPU
Evidence checked: 2026-09-12

System role

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

Function: routes cooling air through a long S5 rack to support thermal management.
System position: Sits inside the long-rack cooling path, adjacent to the S5 power and module assembly.
Upstream / inputs: The AC installation provides the upstream fan power input.
Downstream / outputs: The fan subassembly provides downstream airflow through the rack.
Limitations: Unknown: the installed system configuration, wiring, firmware state, physical condition and replacement compatibility.

Evidence ledger

Facts, inferences, and unknowns are kept separate.

Facts

The cited source identifies 6ES5981-0HA11 as a SIMATIC S5 fan subassembly for long mounting racks.
Confidence: high
- adegis.com — retrieved 2026-09-12; high confidence
- www.marvo.com — retrieved 2026-09-12; high confidence
The cited source describes 6ES5981-0HA11 as moving cooling air through a long S5 rack to support thermal management.
Confidence: high
- adegis.com — retrieved 2026-09-12; high confidence
- www.marvo.com — retrieved 2026-09-12; high confidence
The cited source documents 115/230 V AC input and dimensions 423 x 110 x 135 mm.
Confidence: high
- adegis.com — retrieved 2026-09-12; high confidence
- www.marvo.com — retrieved 2026-09-12; high confidence

Inferences

Inferred system position: inside the long-rack cooling path, adjacent to the S5 power and module assembly.
Confidence: medium
Rationale: The exact-reference identity and documented function establish where this component participates in the described control path.
- adegis.com — retrieved 2026-09-12; high confidence
- www.marvo.com — retrieved 2026-09-12; high confidence

Unknowns

Unknown: the installed system configuration, wiring, firmware state, physical condition and replacement compatibility.
Confidence: low
Missing evidence: The individual web sources describe the product but do not establish a particular installation or unit condition.

System position diagram

The upstream system stage connects through the exact product to the downstream system stage. — The exact product participates in the system path described by the cited evidence.

View Mermaid source

flowchart LR; Upstream --> Component; Component --> Downstream

View diagram labels

Nodes: Upstream system stage; Exact product; Downstream system stage
Edges: Documented input or supply path; Documented output or control path

Next action

The captured evidence supports the documented identity and system role of 6ES5981-0HA11.

Unknown: confirm the installed rack, wiring, firmware, unit condition and replacement compatibility before use.

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