Datasheet

3
Through-beam
Sensing Method Sensing Range Connection Cable Length Operation Mode
Part Number
NPN Output PNP Output
Through-Beam
Infrared LED
20m*
Cable 2m
Light ON SA1E-TN1-2M SA1E-TP1-2M
Dark ON SA1E-TN2-2M SA1E-TP2-2M
M8 Connector
2m or 5m
(Order Separately)
Light ON SA1E-TN1C SA1E-TP1C
Dark ON SA1E-TN2C SA1E-TP2C
Through-Beam
Class 1 Laser
30m
Cable 2m Light ON/Dark ON SA1E-LTN3-2M SA1E-LTP3-2M
M8 Connector – Light ON/Dark ON SA1E-LTN3C SA1E-LTP3C
IDEC SA1E through-beam photoelectric sensors are configured with
the emitter and detector placed facing each other, perpendicular to
the path of the target object. Light is sent from the emitter to the
receiver, and the target object is detected when the beam is broken.
Benefits of through-beam sensors:
•Suitablefordirtyenvironments
•Offersprecisedetection
•Detectstargetobjectsupto30metersaway(lasermodels)
Through-beam
Emitter
Receiver
Conveyor Object
10m
*WithoutSensitivityAdjustment:1.SA1E-TN2-NA-2M,2.SA1E-TP2-NA-2M(15meterrange)
www.IDEC.com/sensor
ExcessGain(withoutslit) ExcessGain(withroundslit) LateralDisplacement(withoutslit)
ExcessGain
1
10
100
50403020100
ExcessGain
1
10
100
20 25151050
ø2.0 mm
Slit on receiver
ø1.0 mm
Slit on receiver
ø0.5 mm
Slit on receiver
LateralDisplacementY(mm)
-30
-20
-10
0
0 5 10 15 20 25 30 35 40 45 50
10
20
30
X
Y
SensingDistance(m) SensingDistance(m) SensingDistance(m)
Angle(withoutslit) LightBeamDiameter**
ReceiverAngle
θ
(°)
-20
-15
-10
-5
0
0510 15 20 25 30 35 40 45 50
5
10
15
20
θ
X
LightBeamDiameter(mm)
0510 15 20 25 30 35 40 45 50
0
10
20
30
40
50
A
A
B
B
SensingDistanceX(m) SensingDistance(mm)
**Sensingdistancebelow3m:Definedas1/e
2
(13.5%)ofthecenterintensity
Sensingdistanceover3m:Referencevalue(visualinspection)

800.262.4332