Master Terminal Unit
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SCADA Server or Master Terminal Unit (MTU).
Contents
Definitions
Other International Definitions
International Society of Automation (ISA)
In a control system, refers to control achieved by intelligence that is distributed about the process to be controlled, rather than by a centrally located single unit. [1].
Standard Definition
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. [2].