Rockwell-automation 150 USE MN/SMC DIALOG + CONTROLLER Manuale Utente Pagina 184

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Glossary-4
Status The condition at a particular time of any numerous entities within a system. These
conditions may be represented by values in a status line.
Surge Protection The process of absorbing and clipping voltage transients on an incoming AC line
or control circuit. MOVs (Metal Oxide Varistors) and specially designed R-C net-
works are usually used to accomplish this.
Toggle To switch alternately between two possible selections.
Transient A momentary deviation in an electrical or mechanical system.
UL Underwriters Laboratories (an approval agency).
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