# Field Device

Operations · `Field Device` · verification: source checked

A field device is equipment connected to the field side of an industrial control system (ICS). Types of field devices include RTUs, PLCs, actuators, sensors, HMIs, and associated communications.

## Specification

| Property | Value |
|---|---|
| Kind | system |
| Origin | NIST SP 800-82r3 |

## Study notes

- Source: NIST SP 800-82r3.

## Sources

1. [Field Device - Glossary | CSRC](https://csrc.nist.gov/glossary/term/field_device) (accessed 2026-10-25)

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