Omron NT11-SF121B-EV1 programmable terminal

The Omron NT11 manual identifies NT11-SF121B-EV1 as the black ten-key NT11 programmable terminal. The manual describes the NT11 as displaying FA-site information, receiving PLC data over host link or NT link, and sending numeric-key data to a PLC.

Documented system function and position

Rebuilt from individual evidence

The Omron NT11 manual identifies NT11-SF121B-EV1 as the black ten-key NT11 programmable terminal.

The manual describes the NT11 as displaying FA-site information, receiving PLC data over host link or NT link, and sending numeric-key data to a PLC.

Sits on the operator panel between the operator and an Omron PLC.

Unknown: installed screen project, PLC program compatibility, unit condition, and current commercial availability are not established by the manual.

Exact reference: NT11-SF121B-EV1
Category: HMI / Display
Evidence checked: 2026-09-12

System role

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

Function: Displays FA-site status and sends operator-entered data to the connected PLC.
System position: Sits on the operator panel between the operator and an Omron PLC.
Upstream / inputs: Receives ON/OFF and numeric data from the PLC over host link or NT link.
Downstream / outputs: Sends numeric-key input and terminal status to the PLC.
Limitations: Unknown: installed screen project, PLC program compatibility, unit condition, and current commercial availability are not established by the manual.

Evidence ledger

Facts, inferences, and unknowns are kept separate.

Facts

The Omron NT11 manual identifies NT11-SF121B-EV1 as the black ten-key NT11 programmable terminal.
Confidence: high
- edata.omron.com.au — retrieved 2026-09-12; high confidence
The manual describes the NT11 as displaying FA-site information, receiving PLC data over host link or NT link, and sending numeric-key data to a PLC.
Confidence: high
- edata.omron.com.au — retrieved 2026-09-12; high confidence

Inferences

Inferred system position: Sits on the operator panel between the operator and an Omron PLC.
Confidence: medium
Rationale: The documented product function and interfaces establish the adjacent system stages.
- edata.omron.com.au — retrieved 2026-09-12; high confidence

Unknowns

Unknown: installed screen project, PLC program compatibility, unit condition, and current commercial availability are not established by the manual.
Confidence: low
Missing evidence: installed screen project, PLC program compatibility, unit condition, and current commercial availability are not established by the manual.

System position diagram

A flow from Receives ON/OFF and numeric data from the PLC over host link or NT link. through NT11-SF121B-EV1 to Sends numeric-key input and terminal status to the PLC.. — System position inferred from the captured evidence: Sits on the operator panel between the operator and an Omron PLC.

View Mermaid source

flowchart LR
  upstream["Receives ON/OFF and numeric data from the PLC over host link or NT link."] -->|"documented input"| item["NT11-SF121B-EV1"]
  item -->|"documented output"| downstream["Sends numeric-key input and terminal status to the PLC."]

View diagram labels

Nodes: Receives ON/OFF and numeric data from the PLC over host link or NT link.; Omron NT11-SF121B-EV1 programmable terminal; Sends numeric-key input and terminal status to the PLC.
Edges: Documented upstream interface; Documented downstream interface

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