Indicating device, circuit arrangement and method for indicating the status of one of a plurality of switches connected in series to a safety relay

A circuit arrangement for indicating the status of one of a plurality of switches connected in series between signal terminals of a safety relay, each switch actuable between an open position and a closed position. The circuit arrangement includes at least one voltage sensor configured to be connect...

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Main Author PAPENBREER RUDOLF L
Format Patent
LanguageEnglish
Published 21.09.2006
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Abstract A circuit arrangement for indicating the status of one of a plurality of switches connected in series between signal terminals of a safety relay, each switch actuable between an open position and a closed position. The circuit arrangement includes at least one voltage sensor configured to be connected to one of plurality of switches to provide an output signal upon sensing a presence of a voltage across the one of the plurality of switches and an indicating means associated with the voltage sensor to provide an indication signal when the voltage sensor provides an output signal. The circuit arrangement is powered the voltage provided at one of said signal terminals of the safety relay.
AbstractList A circuit arrangement for indicating the status of one of a plurality of switches connected in series between signal terminals of a safety relay, each switch actuable between an open position and a closed position. The circuit arrangement includes at least one voltage sensor configured to be connected to one of plurality of switches to provide an output signal upon sensing a presence of a voltage across the one of the plurality of switches and an indicating means associated with the voltage sensor to provide an indication signal when the voltage sensor provides an output signal. The circuit arrangement is powered the voltage provided at one of said signal terminals of the safety relay.
Author PAPENBREER RUDOLF L
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Snippet A circuit arrangement for indicating the status of one of a plurality of switches connected in series between signal terminals of a safety relay, each switch...
SourceID epo
SourceType Open Access Repository
SubjectTerms BASIC ELECTRIC ELEMENTS
ELECTRIC SWITCHES
ELECTRICITY
EMERGENCY PROTECTIVE DEVICES
RELAYS
SELECTORS
Title Indicating device, circuit arrangement and method for indicating the status of one of a plurality of switches connected in series to a safety relay
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