Thru-beam sensor
LA28/LK28-Z-F2/31/116

Universal series with highly versatile fields of use
Resistant against noise: reliable operation under all conditions
Highly visible LED as alignment aid in receiver optics
Programmable time function GAN, GAB, IAB as well as GAN-IAB and GAN-GAB as double function

Product Description
Thru-beam sensor
System components
Emitter		LA28-F2/116
Receiver		LK28-Z-F2/31/116
General specifications
Effective detection range		0 ... 65 m
Threshold detection range		90 m
Light source		LED
Light type		modulated visible red light
Diameter of the light spot		approx. 1.3 m at 65 m
Angle of divergence		Emitter 1.2°, Receiver 5°
Functional safety related parameters
MTTF_d		490 a
Mission Time (T_M)		20 a
Diagnostic Coverage (DC)		0 %
Indicators/operating means
Function display		LED yellow: 1. LED lit constantly: signal > 2 x switching point (function reserve) 2. LED flashes: signal between 1 x switching point and 2 x switching point 3. LED off: signal < switching point
Controls		sensitivity adjustment (Adjustment to < 25% of the effective operating range) , Light/Dark switch
Electrical specifications
Operating voltage		12 ... 240 V AC/DC
Output
Switching type		light/dark on, switchable . (selectable, light/dark switching is only activated if the receiver has 'dark on' selected.)
Signal output		Relay, 1 alternator
Compliance with standards and directives
Directive conformity		Low Voltage Directive 2006/95/EC EMC Directive 2004/108/EC
Standard conformity
	Product standard	EN 60947-5-2:2007 IEC 60947-5-2:2007
Mechanical specifications
Protection degree		IP67
Connection		terminal compartment with 8 spring-loaded terminals for wire cross section 0.5 ... 1.5 mm² , Insulation stripping 7.5 ... 8.5 mm , M16 x 1.5 cable gland

Certificates	Certificate No.	File Type	File Size
CN CQC CCC	2011010305467440	PDF	3332 KB
EU Pepperl+Fuchs Declaration of Conformity	CERT-2586	PDF	1622 KB

Thru-beam sensorLA28/LK28-Z-F2/31/116