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6AV2181-8XP00-0AX0 SIMATIC 2 GB SD memory card

6AV2181-8XP00-0AX0 is documented as SIMATIC 2 GB SD memory card with a defined industrial system role.

System role

Rebuilt from individual evidence

Documented facts

The exact product page identifies 6AV2181-8XP00-0AX0 as a Siemens SIMATIC 2 GB SD memory card for compatible HMI devices.

Controls removable storage for HMI projects, data or system backups on compatible SIMATIC devices. Sits in the compatible HMI device storage path between project files and removable nonvolatile memory.

Unknown: the installed project or program, field wiring, firmware, cabinet fit and physical condition of a particular 6AV2181-8XP00-0AX0 unit.

Exact reference
6AV2181-8XP00-0AX0
Category
HMI / Display
Evidence checked
2026-09-12

System role

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

Function
Controls removable storage for HMI projects, data or system backups on compatible SIMATIC devices.
System position
Sits in the compatible HMI device storage path between project files and removable nonvolatile memory.
Upstream / inputs
A compatible HMI device writes project, data or backup content to the inserted card.
Downstream / outputs
The card preserves removable project or backup content for later device access.
Limitations
Unknown: the installed project or program, field wiring, firmware, cabinet fit and physical condition of a particular 6AV2181-8XP00-0AX0 unit.

Evidence ledger

Facts, inferences, and unknowns are kept separate.

Facts

  • The exact product page identifies 6AV2181-8XP00-0AX0 as a Siemens SIMATIC 2 GB SD memory card for compatible HMI devices.

    Confidence: high

    • plcera.com — retrieved 2026-09-12; medium confidence

  • The page describes project storage, data storage or system backup use and lists write protection and up to 10000 insertion cycles.

    Confidence: high

    • plcera.com — retrieved 2026-09-12; medium confidence

Inferences

  • 6AV2181-8XP00-0AX0 occupies the documented system position described in its function and interfaces.

    Confidence: high

    Rationale: The exact product identity and documented interfaces support this concrete system position.

    • plcera.com — retrieved 2026-09-12; medium confidence

Unknowns

  • Unknown: the installed project or program, field wiring, firmware, cabinet fit and physical condition of a particular 6AV2181-8XP00-0AX0 unit.

    Confidence: low

    Missing evidence: The captured sources do not establish the installed project, wiring, firmware, cabinet fit or physical condition of a particular unit.

System position diagram

A control system exchanges documented data with 6AV2181-8XP00-0AX0, while an operator provides commands and receives status or process output.

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

The documented interfaces place 6AV2181-8XP00-0AX0 between the control system and its operator or runtime host.

Enlarged system diagram

A control system exchanges documented data with 6AV2181-8XP00-0AX0, while an operator provides commands and receives status or process output.

The documented interfaces place 6AV2181-8XP00-0AX0 between the control system and its operator or runtime host.

View Mermaid source
flowchart LR
  controller["Controller or runtime host"] -->|documented data path| unit["6AV2181-8XP00-0AX0"]
  operator["Operator"] -->|commands or configuration| unit
  unit -->|status or process output| controller
View diagram labels
Nodes
Controller or runtime host; 6AV2181-8XP00-0AX0; Operator
Edges
Documented data path; Commands or configuration; Status or process output

Next action

The exact evidence supports publishing 6AV2181-8XP00-0AX0 with the documented system role.

Unknown: verify the installed project, wiring, firmware, cabinet fit and unit condition before commissioning or replacement.

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