Photoelectric sensor and method for aiding operational checking of photoelectric sensor

摘要

A photoelectric sensor (1) comprises a control unit (100) which is configured to store in a memory data on the amount of received light input from a light-receiving unit (104) or measurement data obtained by a measuring process, and to perform a sampling process in which the data stored in the memory are read at fixed intervals as sampling data, the sampling process being performed within a limited reading period. Further, the control unit (100) outputs the thus read sampling data so as to correspond to the order in which they are stored in the memory.