Siemens 6ED1055-4MH08-0BA1 LOGO! TDE six-line text display with dual Ethernet ports

Siemens 6ED1055-4MH08-0BA1 is documented for the stated industrial system role: Displays LOGO! 8 messages and status while providing the documented Ethernet-connected operator interface.

System function

Rebuilt from individual evidence

System position

Siemens identifies 6ED1055-4MH08-0BA1 as a LOGO! TDE text display for LOGO! 8.

The Siemens data sheet specifies six display lines, two Ethernet ports, LED backlighting, AC/DC supply, and IP65 front protection for the exact module.

Displays LOGO! 8 messages and status while providing the documented Ethernet-connected operator interface.

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

Unknown: loaded display project, network addressing, base-module firmware, mounting, and installation-specific compatibility.

Exact reference: 6ED1055-4MH08-0BA1
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: Displays LOGO! 8 messages and status while providing the documented Ethernet-connected operator interface.
System position: Sits at the operator-facing boundary beside the LOGO! 8 base module, with Ethernet links through the control network.
Upstream / inputs: Receives LOGO! display data and power through the TDE connection and network arrangement.
Downstream / outputs: Presents six lines of text and forwards operator key actions to the LOGO! 8 system.
Limitations: Unknown: loaded display project, network addressing, base-module firmware, mounting, and installation-specific compatibility.

Evidence ledger

Facts, inferences, and unknowns are kept separate.

Facts

Siemens identifies 6ED1055-4MH08-0BA1 as a LOGO! TDE text display for LOGO! 8.
Confidence: high
- support.industry.siemens.com — retrieved 2026-09-12; high confidence
The Siemens data sheet specifies six display lines, two Ethernet ports, LED backlighting, AC/DC supply, and IP65 front protection for the exact module.
Confidence: high
- www.plcetra.com — retrieved 2026-09-12; medium confidence

Inferences

Inferred system position: Sits at the operator-facing boundary beside the LOGO! 8 base module, with Ethernet links through the control network.
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: loaded display project, network addressing, base-module firmware, mounting, 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: LOGO! 8 base module and Ethernet control network; Siemens 6ED1055-4MH08-0BA1 LOGO! TDE six-line text display with dual Ethernet ports; Local operator status display and key input
Edges: Input and control data; Processed output

Next action

Siemens primary data-sheet evidence supports the exact TDE identity, display role, interfaces, and system position.

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

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