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Siemens 6AG1972-0DA00-2AA0 SIPLUS DP Terminator RS485

Siemens 6AG1972-0DA00-2AA0 SIPLUS DP Terminator RS485 is documented for the stated industrial system role.

System function

Rebuilt from individual evidence

System position

The Siemens certificate and captured product documentation identify 6AG1972-0DA00-2AA0 as a SIPLUS DP Terminator RS485.

The active terminator provides the termination point for the RS485 PROFIBUS segment.

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
6AG1972-0DA00-2AA0
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
Supplies the termination point for the RS485 PROFIBUS segment.
System position
Inferred system position: the terminator sits at the network boundary of an RS485 PROFIBUS bus segment.
Upstream / inputs
Receives documented signals or control data from the RS485 PROFIBUS bus segment.
Downstream / outputs
Transmits or supplies the documented function to the Bus termination boundary.
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 certificate and captured product documentation identify 6AG1972-0DA00-2AA0 as a SIPLUS DP Terminator RS485.

    Confidence: high

  • Supplies the termination point for the RS485 PROFIBUS segment.

    Confidence: high

Inferences

  • Inferred system position: the terminator sits at the network boundary of an RS485 PROFIBUS bus segment.

    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 6AG1972-0DA00-2AA0 SIPLUS DP Terminator RS485 between the RS485 PROFIBUS bus segment and the Bus termination boundary, 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 RS485 PROFIBUS bus segment and serves the Bus termination boundary; the chain position is an explicit inference.

Enlarged system diagram

A system diagram places Siemens 6AG1972-0DA00-2AA0 SIPLUS DP Terminator RS485 between the RS485 PROFIBUS bus segment and the Bus termination boundary, with the placement marked as an inference.

The documented component receives data or power from the RS485 PROFIBUS bus segment and serves the Bus termination boundary; the chain position is an explicit inference.

View Mermaid source
flowchart LR; upstream-->component; component-->downstream; component-.->controller
View diagram labels
Nodes
RS485 PROFIBUS bus segment; Siemens 6AG1972-0DA00-2AA0 SIPLUS DP Terminator RS485; Network termination boundary
Edges
Documented input or control data; Documented output or system effect

Next action

The captured evidence supports the documented identity and system role for 6AG1972-0DA00-2AA0.

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

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