冯工：13681942816工作QQ：2851708645参数表节选：的技术参数 LD28/LV28-F1/49/76a/82b/115产品阐述

Universal thru-beam sensor, large housing design, 30 m detection range, red light, 25 kHz transmission frequency, light/dark on, DC version, NPN output, PNP output, test input, pre-fault output, fixed cable

System componentsGeneral specificationsFunctional safety related parametersIndicators/operating meansElectrical specificationsOutputCompliance with standards and directivesMechanical specifications

Emitter		LD28-F1/76a/115
Receiver		LV28-F1/49/82b/115
Effective detection range		0 ... 30 m
Threshold detection range		40 m
Light source		LED
Light type		modulated visible red light , 660 nm
Diameter of the light spot		approx. 0.6 m at 30 m
Angle of pergence		Emitter 1.2°, Receiver 5°
MTTFd		620 a
Mission Time (TM)		20 a
Diagnostic Coverage (DC)		90 %
Function indicator		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
Control elements		sensitivity adjustment (Adjustment to < 25% of the effective operating range) , Light-on/dark-on changeover switch
Operating voltage		10 ... 30 V DC
Switching type		light/dark on, switchable
Signal output		1 NPN, 1 PNP synchronized-switching, short-circuit protected, reverse polarity protected , open collectors
Directive conformity		EMC Directive 2004/108/EC
Standard conformity
	Product standard	EN 60947-5-2:2007  IEC 60947-5-2:2007
Degree of protection		IP67
Connection		2.5 m, 5-wire, fixed cable, Euronorm
Material
	Housing	Plastic ABS
	Optical face	Plastic pane