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Reflex Sensor with Background Suppression HO08PA3

Features at a Glance

Large detection range
Excellent ambient light suppression
High switching frequency
Adjustable switching distance

HO08PA3 Reflex Sensor with Background Suppression

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These sensors detect distance by measuring angles. They are particularly good at recognizing objects in front of any background. The color, shape and surface characteristics of the object have practically no influence on sensor switching performance. Also these sensors don't influence each other if their light spots are pointed onto the same spot or against each other.

Features at a Glance

Large detection range
Excellent ambient light suppression
High switching frequency
Adjustable switching distance

Technical data

Optical Data
Range	80 mm
Setting Range	25 ... 80 mm
Switching Hysteresis	see Table 1
Light Source	Red Light
Service Life (T = +25 °C)	100,000 h
Max. Ambient Light	10,000 Lux
Light Spot Diameter	see Table 1

Electrical Data
Supply Voltage	10 ... 30 V DC
Current Consumption (Ub = 24 V)	< 40 mA
Switching Frequency	1 kHz
Response Time	500 µs
Temperature Drift	< 5 %
Temperature Range	-25 ... 60 °C
Switching Output Voltage Drop	< 2.5 V
PNP Switching Output/Switching Current	200 mA
Short Circuit Protection	yes
Reverse Polarity Protection	yes
Overload Protection	yes
Protection Class	III

Mechanical Data
Setting Method	Potentiometer
Housing Material	Brass, nickel-plated
Full Encapsulation	yes
Degree of Protection	IP67
Connection	M12 × 1; 4-pin
Weight	15 g

Safety-relevant Data
MTTFd (EN ISO 13849-1)	2,489.75 a

Output
PNP NC, PNP NO	yes

Adjustable parameters
Circuit	NC NC+NO NO
All other parameters can be found in the product documentation.

Standards and certificates

Table 1
Detection Range	40 mm	60 mm	80 mm
Light Spot Diameter	3 mm	5 mm	7 mm
Switching Hysteresis	< 2 mm	< 3 mm	< 8 mm

Connection Diagram

Switching Distance Deviation
Typical characteristic curve based on white, 90 % remission Sr = Switching Distance dSr = Switching Distance Change black 6 % remission grey 18 % remission