Battery-assisted safety circuit monitoring system
A monitoring system for transport installations for persons, which installations are arranged as elevator, escalator or moving walkway, includes at least one interrogation device and at least one safety switch, which switch is connected with the interrogation device by an electrical safety circuit a...
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| Format: | Patent |
| Sprache: | eng |
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| Zusammenfassung: | A monitoring system for transport installations for persons, which installations are arranged as elevator, escalator or moving walkway, includes at least one interrogation device and at least one safety switch, which switch is connected with the interrogation device by an electrical safety circuit and which monitors a door lock of the transport installation for persons. An independent energy supply device supplies power to the interrogation device. |
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