Siemens 6ED1055-1MA00-0BA2 LOGO! AM2 two-channel analog input expansion module

Siemens 6ED1055-1MA00-0BA2 is documented for the stated industrial system role: Acquires two 0-10 V or 0/4-20 mA analog signals and provides them to the LOGO! 8 control program.

System function

Rebuilt from individual evidence

System position

Siemens identifies 6ED1055-1MA00-0BA2 as a LOGO! AM2 expansion module with two analog inputs.

The Siemens data sheet specifies 0-10 V or 0/4-20 mA input ranges, 12/24 V DC supply, 35 mm DIN-rail mounting, and IP20 protection.

Acquires two 0-10 V or 0/4-20 mA analog signals and provides them to the LOGO! 8 control program.

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

Unknown: sensor wiring, scaling, loop power arrangement, expansion order, and installation-specific compatibility.

Exact reference: 6ED1055-1MA00-0BA2
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: Acquires two 0-10 V or 0/4-20 mA analog signals and provides them to the LOGO! 8 control program.
System position: Sits between analog field sensors/transmitters and the LOGO! 8 base module as an analog I/O expansion stage.
Upstream / inputs: Receives two documented voltage or current analog signals and 12/24 V DC supply.
Downstream / outputs: Provides the two converted analog values to the connected LOGO! 8 controller.
Limitations: Unknown: sensor wiring, scaling, loop power arrangement, expansion order, and installation-specific compatibility.

Evidence ledger

Facts, inferences, and unknowns are kept separate.

Facts

Siemens identifies 6ED1055-1MA00-0BA2 as a LOGO! AM2 expansion module with two analog inputs.
Confidence: high
- support.industry.siemens.com — retrieved 2026-09-12; high confidence
The Siemens data sheet specifies 0-10 V or 0/4-20 mA input ranges, 12/24 V DC supply, 35 mm DIN-rail mounting, and IP20 protection.
Confidence: high
- www.plcetra.com — retrieved 2026-09-12; medium confidence

Inferences

Inferred system position: Sits between analog field sensors/transmitters and the LOGO! 8 base module as an analog I/O expansion stage.
Confidence: high
Rationale: The exact-reference sources establish the product identity and documented interfaces; their relationship to the stated upstream and downstream elements is marked as an inference.
- support.industry.siemens.com — retrieved 2026-09-12; high confidence
- www.plcetra.com — retrieved 2026-09-12; medium confidence

Unknowns

Unknown: sensor wiring, scaling, loop power arrangement, expansion order, and installation-specific compatibility.
Confidence: low
Missing evidence: The individual lookup does not establish the installation, configured software, physical condition, or current commercial record.

System position diagram

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

The component placement between the documented upstream and downstream elements is an explicit inference.

View Mermaid source

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

View diagram labels

Nodes: Analog sensors or transmitters; Siemens 6ED1055-1MA00-0BA2 LOGO! AM2 two-channel analog input expansion module; LOGO! 8 controller analog process values
Edges: Input and control data; Processed output

Next action

Siemens primary data-sheet evidence supports the exact AM2 identity, input ranges, and concrete system role.

Confirm the target controller, wiring, configuration, and installation constraints before deployment or replacement.

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