Siemens 6SL3055-0AA00-2TA0 SINAMICS S120 TB30 terminal board for industrial drive integration.

Documented function and system position for 6SL3055-0AA00-2TA0.

Documented system function

Rebuilt from individual evidence

6SL3055-0AA00-2TA0 is documented as SINAMICS S120 TB30 terminal board.

Within the SINAMICS system, it routes terminal-board I/O signals between field wiring and the SINAMICS control unit.

Exact reference: 6SL3055-0AA00-2TA0
Category: Drives / VFD
Evidence checked: 2026-09-12

System role

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

Function: The component routes terminal-board I/O signals between field wiring and the SINAMICS control unit.
System position: It sits within the option interface of the SINAMICS control unit.
Upstream / inputs: It receives field input and output wiring at its terminals.
Downstream / outputs: It passes those I/O signals to and from the SINAMICS control unit.
Limitations: Unknown: installed wiring, configuration, firmware compatibility, and current unit condition.

Evidence ledger

Facts, inferences, and unknowns are kept separate.

Facts

SINAMICS S120 TB30 terminal board
Confidence: high
- mall.industry.siemens.com — retrieved 2026-09-12; high confidence
Siemens identifies this reference as a SINAMICS terminal board with four digital inputs in its data sheet.
Confidence: high
- mall.industry.siemens.com — retrieved 2026-09-12; high confidence

Inferences

In a deployed SINAMICS system, the component routes terminal-board I/O signals between field wiring and the SINAMICS control unit.
Confidence: medium
Rationale: The exact-reference product identity and documented characteristics place this component at the stated system boundary.
- mall.industry.siemens.com — retrieved 2026-09-12; high confidence

Unknowns

Unknown: installed wiring, configuration, firmware compatibility, and current unit condition.
Confidence: low
Missing evidence: An installed-system inspection and compatibility record were not available in the individual lookup.

System position diagram

Upstream drive system connected through 6SL3055-0AA00-2TA0 to downstream drive system. — 6SL3055-0AA00-2TA0 is positioned within the documented SINAMICS drive path.

View Mermaid source

flowchart LR
  upstream[Upstream drive system] --> device[6SL3055-0AA00-2TA0]
  device --> downstream[Downstream drive system]

View diagram labels

Nodes: Upstream drive system; 6SL3055-0AA00-2TA0 device; Downstream drive system
Edges: Drive data enters the component; Component serves the downstream system

Next action

Use 6SL3055-0AA00-2TA0 only when the documented interfaces and system requirements match the installation.

Verify the installed interfaces, configuration, and firmware against the cited source before integration.

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