The Pepperl Fuchs OBR25M-R201-2EP-IO-V1-L Photoelectric Sensor offers a 0 ... 25 m detection range, laser diode light source, and 4-pin, M12 x 1 connector, 90° rotatable connection. Manufactured by Pepperl Fuchs under the P&F Photoelectric Sensor category, this model belongs to the reflective sensor.
The switching type of the sensor is adjustable. The default setting is:C/Q - Pin4: NPN normally open / dark-on, PNP normally closed / light-on, IO-Link/Q - Pin2: NPN normally closed / light-on, PNP normally open / dark-on