TBXAMS620 - Schneider Electric TBX analog I/O module

Schneider Electric TBX analog I/O module with a documented system role and explicit evidence boundaries.

Documented function

Rebuilt from individual evidence

System position

Unknown: Evidence boundary

The Schneider Electric Modicon Premium catalog lists TBXAMS620 as a TBX distributed I/O module.

The exact TBXAMS620 listing identifies six analog inputs and two analog outputs for voltage and current signal ranges.

The captured technical listing describes TBXAMS620 for remote I/O use with a TBXLEP030 communicator.

The module sits between field analog devices and the TBX communicator or controller path.

Unknown: The installed TBX communicator, channel isolation, scaling, calibration, wiring, and site-specific compatibility are not established by the captured sources.

Exact reference: TBXAMS620
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: Receives field analog signals and routes analog outputs in the TBX remote I/O architecture.
System position: Sits between field analog devices and the TBX communicator or controller path.
Upstream / inputs: Receives analog signals from field devices.
Downstream / outputs: Passes acquired values and analog control outputs through the TBX I/O architecture.
Limitations: Unknown: The installed TBX communicator, channel isolation, scaling, calibration, wiring, and site-specific compatibility are not established by the captured sources.

Evidence ledger

Facts, inferences, and unknowns are kept separate.

Facts

The Schneider Electric Modicon Premium catalog lists TBXAMS620 as a TBX distributed I/O module.
Confidence: high
- iportal.se.com — retrieved 2026-09-12; high confidence
The exact TBXAMS620 listing identifies six analog inputs and two analog outputs for voltage and current signal ranges.
Confidence: medium
- obsautomates.com — retrieved 2026-09-12; medium confidence
The captured technical listing describes TBXAMS620 for remote I/O use with a TBXLEP030 communicator.
Confidence: medium
- obsautomates.com — retrieved 2026-09-12; medium confidence

Inferences

The module sits between field analog devices and the TBX communicator or controller path.
Confidence: medium
Rationale: The sources identify analog inputs and outputs in a TBX distributed or remote I/O architecture; this supports the stated field-to-controller position.
- iportal.se.com — retrieved 2026-09-12; high confidence
- obsautomates.com — retrieved 2026-09-12; medium confidence

Unknowns

Unknown: The installed TBX communicator, channel isolation, scaling, calibration, wiring, and site-specific compatibility are not established by the captured sources.
Confidence: low
Missing evidence: The installed TBX communicator, channel isolation, scaling, calibration, wiring, and site-specific compatibility are not established by the captured sources.

System position diagram

Diagram showing TBXAMS620 between Field analog devices and TBX communicator or controller. — System position of TBXAMS620 from the captured evidence.

View Mermaid source

flowchart LR
  upstream["Field analog devices"] --> item["TBXAMS620"]
  item --> downstream["TBX communicator or controller"]

View diagram labels

Nodes: Field analog devices; TBXAMS620; TBX communicator or controller
Edges: Documented upstream connection; Documented downstream function

Next action

Decision: The evidence supports TBXAMS620 as a TBX analog I/O module with a concrete remote-I/O role; verify the communicator and channel requirements before replacement.

Next action: Match the exact module, TBX communicator, signal ranges, channel wiring, isolation, and scaling against the cited documentation.

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