Phototelectric Sensors

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Product Line Overview

Photoelectric Sensors (42JS)

Bulletin	42JS
Type	20 mm Miniature Rectangular
Features	Visible light source offered on all models for ease of alignment Optional snap-on adaptor enables 18 mm mount and makes sensor replacement a snap Patented ASIC design offers linear sensitivity adjustment, stability indication, and excellent noise immunity Compact sealed housing and cavity free design to minimize collection of dust and debris while allowing for easy sensor cleanup Threaded metal M12 or M8 connector on pigtail 360° visible LED status indicators Additional transmitted beam models available with infrared light source for superior cross talk immunity Input to disable light source on transmitted beam emitter
Optical
Sensing Modes	Polarized retroreflective, diffuse, transmitted beam
Light Source	Visible red LED (660 nm) or infrared LED (880 nm)
Adjustments	Sensitivity potentiometer or fixed by cat. no.
Electrical
Voltage	10…30V DC
Current Consumption	25 mA max
Sensor Protection	Short circuit, overload, false pulse, transient noise, reverse polarity
Outputs
Response Time	1 ms
Output Mode	PNP or NPN (by cat. no.)
Output Type	Complementary light or dark operate
Output Current	100 mA
Output Leakage Current	10 mA max
Mechanical
Housing Material	ABS
Connection Types	2 m cable, 4-pin DC micro (M12) QD, 4-pin pico (M8) QD
Supplied Accessories	Mounting hardware (M3 x 25) stainless steel screws
Operating Temperature [C (F)]	-20…+60° (-4…+140°)
Operating Environment	IP 67
Approvals	cULus and CE Marked for all applicable directives
Product Selection	Page VisiSigh — 20 mm Miniature Rectangular