E3S-C Oil-resistive, Long-range Photoelectric Sens...- ... (example: E3S-CT11-L 2M), the model number of the Receiver, by adding "-D" (example: E3S-CT11-D 2M.) Refer to Ordering Information to confirm model numbers for Emitter an...
https://www.ia.omron.com/products/family/412/dimension.html
E3S-C Oil-resistive, Long-range Photoelectric Sens...- ...ceiver) * Horizontal Pre-wired 30 m (Infrared light) E3S-CT11 2M Emitter E3S-CT11-L 2M Receiver E3S-CT11-D 2M Pre-wired Connector (M12) E3S-CT11-M1J 0.3M Emitter E3S-CT11-L-M1J 0.3M Receiver ...
https://www.ia.omron.com/products/family/412/lineup.html
CSM_E3S-C_DS_E_9_4 1 Oil-resistant, Long-range Pho...- ... Model Through-beam (Emitter + Receiver) * Pre-wired E3S-CT11 2M Emitter E3S-CT11-L 2M Receiver E3S-CT11-D 2M Pre-wired Connector (M12) E3S-CT11-M1J 0.3M Emitter E3S-CT11-L-M1J 0.3M Receiver ...
https://www.ia.omron.com/data_pdf/cat/e3s-c_ds_e_9_4_csm424.pdf