【Notification of Manufacturer Change for Panasonic Industrial Devices SUNX Products and Panasonic Industrial Devices SUNX Tatsuno Products】
From April 1, 2024, the terms "Panasonic Industrial Devices SUNX Co., Ltd." and "Panasonic Industrial Devices SUNX Tatsuno Co., Ltd."
in this page and in the manuals and other documents to be downloaded will all be replaced with "Panasonic Industry Co., Ltd." and applied accordingly.

Business > Industrial Devices > Automation Controls Top > FA Sensors & Components > Sensors > Photoelectric Sensors / Laser Sensors > Compact photoelectric sensor CX-20(Discontinued Products) > Specifications

Compact photoelectric sensor CX-20 (Discontinued Products)

Lineup
CAD data　 Catalogs　 Manuals　 Software
FAQ

We are sorry, the products have been discontinued. Please refer to the details of the discontinued products and the recommended substitutes list below.

	September 30, 2005

Discontinued Products
Information

Specifications

Dimensions

Specifications

Type		Thru-beam		Diffuse reflective
Type			Narrow beam	Short sensing range	Long sensing range
Basic model No.	NPN output	CX-21	CX-23	CX-24	CX-22
Basic model No.	PNP output	CX-21-P	CX-23-P	CX-24-P	CX-22-P
Sensing range		10 m 32.808 ft	5 m 16.404 ft	300 mm 11.811 in	800 mm 31.496 in
Sensing object		ø12 mm ø0.472 in or more opaque object (Note 2)		Opaque, translucent or transparent object
Hysteresis		-		15 % or less of operation distance
Repeatability (perpendicular to sensing axis)		0.5 mm 0.020 in or less	0.05 mm 0.0019 in or less	1 mm 0.039 in or less
Supply voltage		12 to 24 V DC±10 % Ripple P-P 10 % or less
Current consumption		Emitter: 35 mA or less Receiver: 25 mA or less (Note 1)		35 mA or less (Note 2)
Sensing output		<NPN output type> NPN open-collector transistor ・Maximum sink current: 100 mA ・Applied voltage: 30 V DC or less (between sensing output and 0V) ・Residual voltage: 1.5 V or less (at 100 mA sink current) 0.4 V or less (at 16 mA sink current) <PNP output type> PNP open-collector transistor ・Maximum sink current: 100 mA ・Applied voltage: 30 V DC or less (between sensing output andV) ・Residual voltage: 1.5 V or less (at 100 mA source current) 0.4 V or less (at 16 mA source current)
	Output operation	Switchable either Light-ON or Dark-ON
Response time		1 ms or less
Protection		IP67 (IEC)
Ambient temperature		-25 to +55 ℃ -13 to +131 ℉ (No dew condensation or icing allowed ), Storage: -30 to +70 ℃ -22 to +158 ℉
Emitting element		Infrared LED (modulated)
Material		Enclosure: Polycarbonate, Lens: Polycarbonate Indicator cover: Polycarbonate, Front cover: Polycarbonate
Cable		0.2mm² 3-core (thru-beam type emitter: 2-core) oil resistant cabtyre cable, 2 m 6.562 ft long
Weight		Emitter: 45 g approx., Receiver: 50 g approx.		50 g approx.

Note 1 : The PNP output type is 30 mA or less.

Note 2 : The PNP output type is 40 mA or less.

Note 1 :	The PNP output type is 30 mA or less.
Note 2 :	The PNP output type is 40 mA or less.

Type		Retroreflective
Type		For transparent object sensing		With polarizing filters
Basic model No.	NPN output	CX-28	CX-28IR	CX-29
Basic model No.	PNP output	CX-28-P	CX-28IR-P	CX-29-P
Sensing range		0 to 500 mm 0 to 19.685 in	50 to 1,000 mm 1.969 to 39.370 in	0 to 3 m 0 to 9.843 ft
Sensing object		ø50 mm ø1.969 in or more transparent, translucent or opaque object		ø50 mm ø1.969 in or more opaque, translucent or specular object
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		30 mA or less (Note)
検出出力		<NPN output type> NPN open-collector transistor ・Maximum sink current: 100 mA ・Applied voltage: 30 V DC or less (between sensing output and 0 V) ・Residual voltage: 1.5 V or less (at 100 mA sink current) 0.4 V or less (at 16 mA sink current) <PNP open-collector transistor> PNP open-collector transistor ・Maximum source current: 100 mA ・Applied voltage: 30V DC or less (between sensing output andV) ・Residual voltage: 1.5V or less (at 100 mA source current) 0.4V or less (at 16 mA source current)
	Output operation	Switchable either Light-ON or Dark-ON
Response time		1 ms or less
Protection		IP67 (IEC)
Ambient temperature		-25 to +55 ℃ -13 to +131 ℉ (No dew condensation or icing allowed ), Storage: -30 to +70 ℃ -22 to +158 ℉
Emitting element		Red LED (modulated)	Infrared LED (modulated)	Red LED (modulated)
Material		Enclosure: Polycarbonate Lens: Polycarbonate, Indicator cover: Polycarbonate Front cover: Polycarbonate
Cable		0.2mm² 3-core oil resistant cabtyre cable, 2 m 6.562 ft long
Weight		50 g approx.