Provided is a multi-axis photoelectric sensor that outputs a high-level signal while a detection area is not shielded and stops the signal output when the detection area is shielded, wherein a sequence of a change in a non-shielded state and in a shielded state of the detection area formed by optical axes and inputs from muting sensors are divided into a plurality of stages for monitoring, and muting processing is executed when the stages progress normally. When an abnormality in the sequence is detected in a stage being monitored, indicator lights are blinked by a number of times corresponding to the stage in which the abnormality has been detected, to provide a notification of a stage in which the abnormality has been detected.
Multi-axis photoelectric sensor
2015-10-27
Patent
Elektronische Ressource
Englisch
IPC: | G08B SIGNALLING OR CALLING SYSTEMS , Signalisier- oder Rufsysteme / B60C VEHICLE TYRES , Fahrzeugreifen / B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen / G01V Geophysik , GEOPHYSICS / G08G Anlagen zur Steuerung, Regelung oder Überwachung des Verkehrs , TRAFFIC CONTROL SYSTEMS / H02H EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS , Schutzschaltungsanordnungen / H03K PULSE TECHNIQUE , Impulstechnik |
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