Photoelectric Sensor Pepperl+Fuchs LD31/LV31/76a/115/136

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Photoelectric Sensor LD31/LV31/76a/115/136

Brand: Pepperl+Fuchs
Product Code:

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Datasheet excerpt: Technical data of LD31/LV31/76a/115/136

Classifications

Item Specification
Through-beam sensor featuring a 30 m detection range, employing red light, dark activation, DC version, two push-pull outputs, emitter switch-off, with a permanent cable

System elements
Emitter		LD31/76a/115
Receiver		LV31/115/136
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: 1.5 ° , Transducer: 1.5 °
Ambient light threshold		50000 Lux; in accordance with EN 60947-5-2
Parameters related to functional safety
MTTF_d		750 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		10 ... 30 V DC
Ripple		10 %
No-load input current		Emitter: = 18 mA Transducer: = 18 mA
Input
Verification input		emitter shutdown at +U_B
Output
Type of switch		dark-on
Output signal		2 push-pull (4 in 1) outputs, safeguarded against short circuits, protected from reverse polarity
Switching voltage level		max. 30 V DC
Switching capacity		max. 100 mA
voltage loss		= 1.5 V
commutation frequency		= 250 Hz
reaction time		= 2 ms
Compliance
Product specification		EN 60947-5-2
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
UL certification		cULus Certified, Class 2 Power Supply, Type 1 enclosure
CCC certification		CCC certification / marking not necessary for products rated ≤36 V
Environmental conditions
Ambient temperature		-30 ... 55 °C (-22 ... 131 °F)
Ambient storage temperature		-40 ... 70 °C (-40 ... 158 °F)
Mechanical characteristics
Protection等级		IP67
Linkage		Emitter: 2 m permanently attached cable , 3-wire Transducer: 2 m permanently attached cable , 4-wire
Material
	Housing	PC (polycarbonate)
	optical surface	PMMA
Mass		Emitter: 98 g Transducer: 132 g
Measurements
	Height	62 mm
	Width	18 mm
	Depth	35 mm