Omron E3S-LS3 DATASHEET
Printed Circuit Board Sensor
E3S-LS3
Printed circuit board
sensor capable of stable detection without
being affected by
holes or notches.
• Suitable for incorporation in devices
(E3S-LS3@).
• Wide range is suitable for component
boards with high or irregularly shaped
components (E3S-LS3@W).
E3S-LS3
Applications
Detecting for PCBs Transparent Film Sheet
Detection
Detection for Wafercassette Mounting
A-145E3S-LS3
Ordering Information
t
Sensor type Shape Connection method Detection distance *
20 to 35 mm
10 to 60 mm
20 to 35 mm
10 to 60 mm
Limited reflective
* Using 80 x 80 mm white art paper
Pre-wired (2 m) Without
Pre-wired (2 m)
Pre-wired M8
3-pin connector (0.3 m)
Pre-wired M8
4-pin connector (0.3 m)
Pre-wired (2 m)
Pre-wired M8
3-pin connector (0.3 m)
Pre-wired M8
4-pin connector (0.3 m)
Timer
function
Without E3S-LS3P
With E3S-LS3PT
Without E3S-LS3P-M5J
With E3S-LS3PT-M5J
Without E3S-LS3P-M3J
With E3S-LS3PT-M3J
Without E3S-LS3PW
With E3S-LS3PWT
Without E3S-LS3PW-M5J
With E3S-LS3PWT-M5J
Without E3S-LS3PW-M3J
With E3S-LS3PWT-M3J
Model Output
E3S-LS3N
E3S-LS3NW
Red ligh
NPN
Light ON
PNP
Light ON
Rating/performance
Sensor type Limited reflective
Item Model E3S-LS3@ E3S-LS3PT E3S-LS3@W E3S-LS3PWT
Sensing
Light source (wave length) Red LED (660 nm)
Power supply voltage 12 to 24 VDC±10%, ripple (p-p) 10% max.
Current consumption 25 mA max.
Control output
Response time 1 ms max. for operation and reset respectively
Timer function Available with E3S-LS3P(W)T models only. Time range: 0.1 to 1.0 s (adjustable)
Ambient illuminance Receiver side: Incandescent lamp: 5,000 lux max.
Ambient temperature Operating: −10 to 55° C (with no icing or condensation)
Ambient humidity Operating:35% to 85% (with no condensation)
Insulation resistance 20 MΩ min. (at 500 VDC) between charged parts and the case
Dielectric strength 1,000 VAC at 50/60 Hz for 1 minute between charged parts and the case
Vibration resistance 10 to 55 Hz with a 1.5-mm double amplitude for 2 hrs each in X, Y and Z directions
Shock resistance 500 m/s2, 3 times each in X, Y and Z directions
Protective structure IEC60529 IP40
Connection method Pre-wired (standard length: 2 m)/Pre-wired M8 connector (standard length: 0.3 m)
Indicators Operation indicator (orange)
Weight (Packed state) Pre-wired models: Approx. 80 g; Pre-wired M8 connector: Approx. 45 g
Material
Accessories Instruction sheet, M3 screws,
White art paper
Black paper *
Case ABS
Lens Acrylic
20 to 35 mm 10 to 60 mm
20 to 30 mm 15 to 50 mm
Load power supply voltage: 24 VDC max.; Load current: 100 mA max.,
Residual voltage: 2 V max.; Operating mode: Light ON
A-146 Standard Photoelectric Sensors
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