User manual

Bulletin 42 (Serie 9000), 44, 45
Photoelectric Sensors
6-3
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Rockwell Automation
SENSORS
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 μA 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 6-9