Master Terminal Unit

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SCADA Server or Master Terminal Unit (MTU).

Definitions

Other International Definitions

National Definitions

United States

NIST

The SCADA Server is the device that acts as the master in a SCADA system. Remote terminal units and PLC devices (as described below) located at remote field sites usually act as slaves. [1]


See also

Notes

  1. K. Stouffer, J. Falco, K. Kent, Guide to Industrial Control Systems (ICS) Security, NIST Special Publication 800-82, June 2011