Photoelectric Sensor Pepperl+Fuchs LA31/LK31/31/115

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Photoelectric Sensor LA31/LK31/31/115

Brand: Pepperl+Fuchs
Product Code:

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Datasheet excerpt: Technical data of LA31/LK31/31/115

Classifications

Item Specification
Through-beam sensor, 30 m detection range, red light, dark-on operation, AC/DC variant, relay output, permanent cable

System elements
Emitter		LA31/115
Receiver		LK31/31/115
Overall specifications
Operational sensing range		0 ... 30 m
detection range threshold		43 m
illumination source		LED
Illumination type		modulated red light in the visible spectrum , 630 nm
Alignment tool		Yellow indicator LED: 1. LED lights up: Adequate light signal detected, emitter and receiver are properly aligned 2. LED indicators: Attaining switching threshold 3. LED off: Light beam is disrupted or the alignment is incorrect
Size of the illumination spot		approximately 800 mm at a distance of 30 m
angle of opening		Emitter: 0.5 ° , Transducer: 1.5 °
Ambient light threshold		50000 Lux; in accordance with EN 60947-5-2
Parameters related to functional safety
MTTF_d		620 a
task duration (T_M)		20 a
Diagnostic Range (DC)		0 %
Indicators/operation controls
Operational status indicator		LED green: power activated
operation indicator		Yellow indicator LED: 1. LED continuously illuminated: signal > 2 x switching threshold (functioning margin) 2. LED blinks: signal between 1 x switching threshold and 2 x switching threshold 3. LED off: signal < threshold point
Electrical parameters
Operational voltage		24 ... 240 V AC 12 ... 240 V DC
No-load input current		Emitter: = 20 mA Transducer: = 20 mA
Energy usage		Emitter: = 1 VA Transducer: = 1 VA
Output
Type of switch		dark-on
Output signal		Relay, 1 alternator
Switching voltage level		max. 250 V AC/DC
Switching capacity		max. 3 A
Conversion power		DC: max. 150 W AC: max. 750 VA
commutation frequency		= 20 Hz
reaction time		= 25 ms
Compliance
Product specification		EN 60947-5-2
Adherence to standards and directives
Compliance with standards
	Standards	EN 62103
Certifications and approvals
Ingress protection rating		II, rated voltage = 250 V AC with pollution degree 1-2 as per IEC 60664-1, output circuit basic insulation of the input circuit in accordance with EN 50178, rated insulation voltage 240 V AC
CCC certification		Approved by China Compulsory Certification (CCC)
Environmental conditions
Ambient temperature		-25 ... 55 °C (-13 ... 131 °F)
Ambient storage temperature		-40 ... 70 °C (-40 ... 158 °F)
Mechanical characteristics
Protection等级		IP67
Linkage		Emitter: 2 m permanently attached cable , 2-wire Transducer: 2 m permanently attached cable , 5-conductor
Material
	Housing	PC (polycarbonate)
	optical surface	PMMA
Mass		Emitter: 116 g Transducer: 131 g
Measurements
	Height	62 mm
	Width	18 mm
	Depth	35 mm