Photoelectric Sensor Pepperl+Fuchs LA28/LK28-LAS-F1-7675

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Photoelectric Sensor LA28/LK28-LAS-F1-7675

Brand: Pepperl+Fuchs
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Datasheet excerpt: Technical data of LA28/LK28-LAS-F1-7675

Classifications

Item Specification
Universal thru-beam sensor with an oversized housing design, 120 m detection range, red laser light, laser class 2, 25 kHz transmission frequency, light/dark ON mode, AC version, relay output, timer functionality, and terminal chamber

System elements
Emitter		LA28-LAS-F1-7675
Receiver		LK28-LAS-F1-Z-7675
Overall specifications
Operational sensing range		0 ... 120 m
detection range threshold		150 m
illumination source		laser diode
Illumination type		modulated red light in the visible spectrum
Laser specified ratings
	Note	LASER LIGHT , DO NOT STARE INTO BEAM
	Laser category	2
	Wavelength	650 nm
	Beam spreading	< 4 mrad
	pulse duration	20 µs
	Repetition frequency	25 kHz
	maximum pulse energy	18 nJ
Alignment tool		Red LED (within receiver lens) constantly illuminated: beam is interrupted, flashes: achieving switching threshold, off: adequate operational margin
Size of the illumination spot		Approximately 20 mm at 5 m, roughly 75 mm x 300 mm at 70 m horizontally relative to the housing axis
angle of opening		Emitter: 0.23 ° Transducer: 5 °
Ambient light threshold		50000 Lux
Parameters related to functional safety
MTTF_d		440 a
task duration (T_M)		20 a
Diagnostic Range (DC)		0 %
Indicators/operation controls
Operational status indicator		LED green
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
control components		Sensitivity calibration (Calibration to < 25% of the usable functioning range), Light-on/dark-on toggle switch
Electrical parameters
Operational voltage		12 ... 240 V AC/DC
Energy usage		= 3.5 VA
Output
Type of switch		light/dark on, selectable. (light/dark switching is only enabled when the receiver is set to 'dark on')
Output signal		Relay, 1 alternator
Switching voltage level		max. 250 V AC/DC
Switching capacity		max. 2 A
Conversion power		DC: max. 50 W AC: max. 500 VA
commutation frequency		25 Hz
reaction time		20 ms
Timing feature		ON delay (GAN), OFF delay (GAB), single shot (IAB), ON delay-OFF delay (GAN-GAB), programmable adjustment range 0.1 ...10 s
Compliance
Product specification		EN 60947-5-2
Laser safety		EN 60825-1
Certifications and approvals
Ingress protection rating		II, rated insulation voltage = 250 V AC with pollution degree 1-2 according to IEC 60664-1 Output circuit insulated from control circuit in accordance with IEC 61140. Caution! The protection class 2 applies only when the terminal chamber is secured
UL certification		cULus Certified Caution: This equipment is classified as open-type. It must be installed within an enclosure that is appropriately designed to safeguard against internal fires and personal injury due to access to live components in accordance with UL 508
CCC certification		Approved by China Compulsory Certification (CCC)
FDA certification		IEC 60825-1:2007 conforms with 21 CFR 1040.10 and 1040.11, excluding deviations as stated in Laser Notice No. 50, dated June 24, 2007
Environmental conditions
Ambient temperature		0 ... 40 °C (32 ... 104 °F)
Ambient storage temperature		-40 ... 60 °C (-40 ... 140 °F)
Mechanical characteristics
Protection等级		IP67
Linkage		terminal chamber featuring 8 spring-loaded terminals for wire cross-section of 0.5 ... 1.5 mm² , Insulation stripping 7.5 ... 8.5 mm , M16 x 1.5 cable gland
Material
	Housing	Plastic ABS
	optical surface	synthetic panel
Mass		200 g (transmitter and receiver)
Measurements
	Height	88 mm
	Width	25.8 mm
	Depth	65.5 mm