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.
BATTERIEGESTÜTZTE SICHERHEITSKREIS-ÜBERWACHUNGSANLAGE
BATTERY-ASSISTED SAFETY CIRCUIT MONITORING SYSTEM
INSTALLATION DE SURVEILLANCE DE CIRCUIT DE SÉCURITÉ FONCTIONNANT SUR BATTERIE
2017-03-29
Patent
Electronic Resource
German
IPC: | B66B Aufzüge , ELEVATORS |