Remote Terminal Unit

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Definitions

Other International Definitions

National Definitions

Peru

RTU: Unidad terminal remota, proveniente de las siglas de la terminología inglesa de “Remote Terminal Unit”. [1]


Unites States

NIST
The RTU, also called a remote telemetry unit, is a special purpose data acquisition and control unit designed to support SCADA remote stations. RTUs are field devices often equipped with wireless radio interfaces to support remote situations where wire-based communications are unavailable. Sometimes PLCs are implemented as field devices to serve as RTUs; in this case, the PLC is often referred to as an RTU. [2]

Remote Terminal Unit is a special purpose data acquisition and control unit designed to support DCS and SCADA remote stations. (from:NIST SP 800-82 rev 2) [3]
RTUs are field devices often equipped with network capabilities, which can include wired and wireless radio interfaces to communicate to the supervisory controller. Sometimes PLCs are implemented as field devices to serve as RTUs; in this case, the PLC is often referred to as an RTU.

See also

Notes

  1. RESOLUCIÓN DE CONSEJO DIRECTIVO ORGANISMO SUPERVISOR DE LA INVERSIÓN EN ENERGÍA OSINERG Nº 270-2014-OS/CD
  2. K. Stouffer, J. Falco, K. Kent, Guide to Industrial Control Systems (ICS) Security, NIST Special Publication 800-82, June 2011
  3. NIST Glossary