WM03NCT2 Print Mark Reader

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These sensors have been specially designed to recognize print marks. They have a very small spot and use a white light LED with long service life. Only one sensor is required for the recognition of all color combinations, as well as the difference in brightness between print marks and the background.

Features at a Glance

Small light spot
Compact housing
White light for recognition of any print mark combinations
Teach-in, external teach-in

Technical data

Optical Data
Working Range	12 ... 18 mm
Working Distance	15 mm
Resolution (Gray Scale)	20
Switching Hysteresis	< 2 %
Light Source	White Light
Wavelength	400 ... 700 nm
Service Life (T = +25 °C)	100,000 h
Max. Ambient Light	10,000 Lux
Light Spot Diameter	1.5 × 2.5 mm

Electrical Data
Supply Voltage	10 ... 30 V DC
Current Consumption (Ub = 24 V)	< 30 mA
Switching Frequency	5 kHz
Response Time	100 µs
Off-Delay	20 ms
Off-Delay (RS-232)	0 ... 2 s
Temperature Drift	< 2 %
Temperature Range	-25 ... 60 °C
Switching Output Voltage Drop	< 2.5 V
NPN Switching Output/Switching Current	100 mA
Short Circuit Protection	yes
Reverse Polarity Protection	yes
Overload Protection	yes
Lockable	yes
Teach Mode	ZT, FT
Protection Class	III

Mechanical Data
Setting Method	Teach-In
Housing Material	Plastic, PBT
Optic Cover	Plastic, PMMA
Full Encapsulation	yes
Degree of Protection	IP67
Connection	M12 × 1; 4-pin
Weight	28 g