OBG3500-18GM40-E0 Retroreflective sensor (glass)

Key Benefits at a Glance

Strong metallic housing in cylindrical shape M18 x 1
Sensitivity adjuster for optimal adaptation to the application
Not sensitive to ambient light
Degree of protection IP67
Very high detection range

Product photo: Retroreflective sensor (glass) OBG3500-18GM40-E0

Note

All product-related documents, such as certificates, declarations of conformity, etc., which were issued prior to the conversion under the name Pepperl+Fuchs GmbH or Pepperl+Fuchs AG, also apply to Pepperl+Fuchs SE.

Datasheet Function Classification Design / Simulation Approvals Related Products

Technical data of OBG3500-18GM40-E0

Retroreflective sensor (glass)

Effective detection range		0 ... 3.5 m in glass mode;
Reflector distance		0 ... 3.5 m in glass mode;
Threshold detection range		3.5 m
Reference target		reflector C110-2
Light source		LED
Light type		modulated visible red light
Polarization filter		yes
Diameter of the light spot		approx. 190 mm at a distance of 3.5 m
Opening angle		approx. 2.6 °
Optical face		frontal
Ambient light limit		EN 60947-5-2 20000 Lux

MTTF_d		904 a
Mission Time (T_M)		20 a
Diagnostic Coverage (DC)		0 %

Operation indicator		LED green: on - power on flashing (4 Hz) - short circuit
Function indicator		Yellow LED: Permanently lit - light path clear Permanently off - object detected Flashing (4 Hz) - insufficient operating reserve
Control elements		potentiometer for Teach-In
Contrast detection levels		18 % - clear glass bottles 40 % - colored glass or opaque materials

Operating voltage	U_B	10 ... 30 V DC
Ripple		max. 10 %
No-load supply current	I₀	< 25 mA
Protection class		III

Switching type		Q - Pin4: NPN normally open / dark-on
Signal output		1 NPN output, short-circuit protected, reverse polarity protected, open collector
Switching voltage		max. 30 V DC
Switching current		max. 100 mA , resistive load
Voltage drop	U_d	≤ 1.5 V DC
Switching frequency	f	500 Hz
Response time		≤ 1 ms

Product standard

EN 60947-5-2

UL approval

E87056 , cULus Listed , class 2 power supply , type rating 1

Ambient temperature		-40 ... 60 °C (-40 ... 140 °F)
Storage temperature		-40 ... 70 °C (-40 ... 158 °F)

Degree of protection

IP67

Connection

2 m fixed cable

Material

Housing		brass, nickel-plated
Optical face		PMMA
Cable		PVC

Mass

approx. 60 g

Dimensions

Length		40 mm
Diameter		18 mm
Thread size		M18

General Notes

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