Light grid for detecting object in monitoring area, has evaluation unit that evaluates received signals to be present at outputs of receivers, where beam axis is assigned to outputs for outputting object determination signal

摘要

The grid has transmitters (7) emitting transmitted light beams and receivers (9), where the receivers and the transmitters form a beam axis. An evaluation unit (10) evaluates received signals to be present at outputs (11) of the receivers. The beam axis is assigned to the outputs for outputting an object determination signal, and an error reporting output (12) is provided at the outputs of the receivers, where an error message is displayed by the error reporting output.