...tor (yellow) (Between brown and black leads) Output transistor Load (e.g., relay) 1 4 4 3 1 0 V ZD Through-beam Receivers, Retro-reflective Models, Diffuse-reflective Models 10 to 30 VDC Brow...

https://www.ia.omron.com/data_pdf/cat/e3zm_ds_e_6_1_csm2159.pdf

...e.g., relay) Brown White Blue Black 12 to 24 VDC Push indicator (red) Main circuit Load (relay) ZD ZD 50 mA max. (External diagnosis input) (Control output) Present Absent ON OFF ON ...

https://www.ia.omron.com/data_pdf/cat/ee-sa701_801_ds_e_4_3_csm662.pdf

...er supply line, try connecting a capacitor (with a capacitance of 0.1 to 1μF) or a Zener diode (ZD in the diagram below, with a rated voltage of 30 to 35 V). Use the Sensor only after confirm...

https://www.ia.omron.com/data_pdf/cat/ee_e617-e1_3_1_csm1074318.pdf

...Load (e.g., relay) Incident light No incident light 4 3 1 Brown Stability indicator (green) 0 V ZD Through-beam Receivers, Retro-reflective Models, Diffuse-reflective Models 12 to 24 VDC (Con...

https://www.ia.omron.com/data_pdf/cat/oil-resistant_components_y215-e1_6_6_csm1053244.pdf