Glossary of terms used on this site

There are 54 entries in this glossary.
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R

Term Definition
Redundant/ Redundancy

Existence of more than one means for performing a required function in an item [IEV 191] refers to spare or duplicate functionality that allows a system to continue to operate without degradation of performance in the event of single failure for example a blown fuse

Remote terminal unit

Typically an outstation in a SCADA system, a Remote Terminal Unit (RTU) may act as an interface between the communication network and the substation equipment. The function of an RTU may reside in one IED or may be distributed

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