Details

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Our unique optical system and transparent object sensing circuitry provide stable sensing of even thinner transparent objects than the conventional models.


Model : CX-481, CX-483, CX-491

 

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Applications : 
 

Sensing object	Sensing object size (mmin)
Glass sheet	50 × 50 1.969 × 1.969 t = 0.7 0.028
Cylindrical glass	ø50 ø1.969 ℓ = 50 1.969 t = 1.3 0.051
Acrylic board	50 × 50 1.969 × 1.969 t = 1.0 0.039
Styrol (Floppy case)	50 × 50 1.969 × 1.969 t = 0.9 0.035
Food wrapping film	50 × 50 1.969 × 1.969 t = 10 µm0.394 mil
Cigarette case film	50 × 50 1.969 × 1.969 t = 20 µm0.787 mil
Vinyl sack	50 × 50 1.969 × 1.969 t = 30 µm1.181 mil
PET bottle	(500mℓ) ø66 ø2.598

 

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Dimension :




 

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Sensing Parameter : 



 

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Specifications :
 

Type	Retroreflective
Type	With polarizing filters	For transparent object sensing
NPN output	CX-491	CX-481	CX-483
CE marking directive compliance	EMC Directive, RoHS Directive
Sensing range	3 m 9.843 ft (Note 2)	50 to 500 mm 1.969 to 19.685 in (Note 2)	50 to 1,000mm 1.969 to 39.37 in (Note 2)
Sensing object	ø50 mm ø1.969 in or more opaque, translucent or specular object (Note 2, 5)	ø50 mm  ø1.969 in or more transparent, translucent or opaque object (Note 2, 5)
Hysteresis	–
Repeatability (perpendicular to sensing axis)	0.5 mm 0.020 in or less
Supply voltage	12 to 24 V DC ± 10 % Ripple P-P 10 % or less
Current consumption	13 mA or less	10 mA or less
Output	<NPN output type>
	NPN open-collector transistor
	・Maximum sink current: 100 mA
	・Applied voltage: 30 V DC or less (between output and 0 V)
	・Residual voltage: 2 V or less (at 100 mA sink current)
	1 V or less (at 16 mA sink current)<PNP output type>
	PNP open-collector transistor
	・Maximum source current: 100 mA
	・Applied voltage: 30 V DC or less (between output and +V)
	・Residual voltage: 2 V or less (at 100 mA source current)
	1 V or less (at 16 mA source current)
Output operation	Switchable either Light-ON or Dark-ON
Short-circuit protection	Incorporated
Response time	1 ms or less
Operation indicator	Orange LED (lights up when the output is ON) (incorporated on the receiver for thru-beam type)
Stability indicator	Green LED (lights up under stable light received condition or stable dark condition) (incorporated on the receiver for thru-beam type)
Power indicator	–
Sensitivity adjuster	Continuously variable adjuster (incorporated on the receiver for thru-beam type)
Automatic interference prevention function	Incorporated (Two units of sensors can be mounted close together.)
Protection	IP67 (IEC)
Ambient temperature	– 25 to +55 ℃ -13 to +131 ℉ (No dew condensation or icing allowed )
	Storage: -30 to +70 ℃ -22 to +158 ℉
Ambient humidity	35 to 85 % RH, Storage: 35 to 85 % RH
Ambient illuminance	Incandescent light: 3,000 lx or less at the light-receiving face
Voltage withstandability	1,000 V AC for one min. between all supply terminals connected together and enclosure
Insulation resistance	20 MΩ, or more, with 250 V DC megger between all supply terminals connected together and enclosure
Vibration resistance	10 to 500 Hz frequency, 1.5 mm 0.059 in amplitude (10 G max.) in X, Y and Z directions for two hours each
Shock resistance	500 m/s2 acceleration (50 G approx.) in X, Y and Z directions three times each
Emitting element (modulated)	Red LED	Infrared LED
Peak emission wavelength	680 nm 0.027 mil	870 nm 0.034 mil
Material	Enclosure: PBT (polybutylene terephthalate),
	Lens: acrylic (CX-48□: polycarbonate),
	Indicator cover: acrylic (CX-48□: polycarbonate)
Cable	0.2 mm2 3-core (thru-beam type emitter: 2-core) cabtyre cable, 2 m 6.562 ft long
Cable extension	Extension up to total 100 m 328.084 ft is possible with 0.3 mm2, or more, cable (thru-beam type: both emitter and receiver)
Net weight	50 g approx.
Gross weight	80 g approx.
Accessory	RF-230 (Reflector): 1 pc.

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Sensing Feature :
 

• CX-481

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• CX-491