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Siemens 6AG1138-4FB04-2AB0 SIPLUS F-DO PROFIsafe module

Siemens 6AG1138-4FB04-2AB0 SIPLUS F-DO PROFIsafe module is documented for the stated industrial system role.

System function

Rebuilt from individual evidence

System position

The Siemens data sheet identifies 6AG1138-4FB04-2AB0 as a SIPLUS F-DO 24 V PROFIsafe module with four digital outputs and a 2 A rated output current.

The module switches safety-related output loads from a distributed safety I/O station.

The system position is an explicit inference from the exact-reference evidence.

Unknown: current unit condition, installation-specific compatibility, firmware or software version, and commercial availability.

Exact reference
6AG1138-4FB04-2AB0
Category
PLC / CPU
Evidence checked
2026-09-11

System role

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

Function
The module switches safety-related output loads from a distributed safety I/O station.
System position
Inferred system position: the module sits between the safety controller path and field actuators.
Upstream / inputs
Receives documented signals or control data from the safety controller path.
Downstream / outputs
Transmits or supplies the documented function to the Safety-related field actuators.
Limitations
Unknown: current unit condition, installation-specific compatibility, firmware or software version, and commercial availability.

Evidence ledger

Facts, inferences, and unknowns are kept separate.

Facts

  • The Siemens data sheet identifies 6AG1138-4FB04-2AB0 as a SIPLUS ET200S F-DO 24 V PROFIsafe module with four digital outputs and a 2 A rated output current.

    Confidence: high

  • The module switches safety-related output loads from an ET200S safety station.

    Confidence: high

Inferences

  • Inferred system position: the module sits between the ET200S safety controller path and field actuators.

    Confidence: medium

    Rationale: The exact-reference sources identify the component function and the connected system context; the intervening position is explicitly marked as an inference.

Unknowns

  • Unknown: current unit condition, installation-specific compatibility, firmware or software version, and commercial availability.

    Confidence: low

    Missing evidence: The individual lookup does not capture an installed-unit inspection, complete configuration record, or current commercial record.

System position diagram

A system diagram places Siemens 6AG1138-4FB04-2AB0 SIPLUS F-DO PROFIsafe module between the safety controller path and the Safety-related field actuators, with the placement marked as an inference.

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

The documented component receives data or power from the safety controller path and serves the Safety-related field actuators; the chain position is an explicit inference.

Enlarged system diagram

A system diagram places Siemens 6AG1138-4FB04-2AB0 SIPLUS F-DO PROFIsafe module between the safety controller path and the Safety-related field actuators, with the placement marked as an inference.

The documented component receives data or power from the safety controller path and serves the Safety-related field actuators; the chain position is an explicit inference.

View Mermaid source
flowchart LR; upstream-->component; component-->downstream; component-.->controller
View diagram labels
Nodes
Safety controller path; Siemens 6AG1138-4FB04-2AB0 SIPLUS F-DO PROFIsafe module; Safety-related field actuators
Edges
Documented input or control data; Documented output or system effect

Next action

The captured evidence supports the documented identity and system role for 6AG1138-4FB04-2AB0.

Confirm the complete article marking, surrounding system, interface details, and installed compatibility before replacement or commissioning.

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