Thru-beam sensor LA28/LK28-Z-F1/31/116 Dimensions Transmitter Terminal compartment Receiver 65.5 Transmitter Receiver 26 Indicator of 8 detection range DIP-switch for OFF delay and one shot ø5 25.5 Indicator of detection range for ON delay LED-Anzeige red Relay NO alignment aid BK BK 8 8 Relay NC WH 7 WH 7 6 6 GY Relay center contact GY 5 5 12 ... 240 V GY GY 4 4 BU BU 3 12 ... 240 V AC/DC 3 AC/DC BU BU 2 2 BR 1 BR 1 12 ... 240 V 12 ... 240 V AC/DC BR BR AC/DC Dovetail mount 5 63 9.6 LED indicator: Light/dark switch switching state S LED indicator: switching state Sensitivity adjuster LED indicator: operation Model Number LA28/LK28-Z-F1/31/116 Electrical connection Thru-beam sensor with terminal compartment Receiver Emitter The relay-functions "NC" and "NO" bear on n.c. BK BK NO Features the switching mode "Dark-ON". n.c. • Universal series with highly versatile WH WH NC This complies to the default fields of use setting of the light/dark n.c. C GY GY switch (factory setting). • Resistant against noise: reliable ope- ration under all conditions n.c. C GY GY • Highly visible LED as alignment aid in BU BU receiver optics ~/0 V ~/0 V • Programmable time function GAN, BU BU GAB, IAB as well as GAN-IAB and GAN-GAB as double function BN BN ~/+UB ~/+UB • Version with red light BN BN • Version with relay output Product information Indicators/operating means The series 28 family of sensors can be uni- versally used. It has a large range of models 1 2 3 4 that allows it to be integrated into any auto- 1 Operating display green mation environment. The sensors are contai- 2 Switch state yellow ned in sturdy water resistant plastic housings 3 Bright/dark switch 2 with multiple fastening options and scratch 4 Sensitivity adjustment resistant optical cover. Features such as a 5 Receiver timer function, and functions including a light/ 6 Transmitter dark switch, sensitivity adjuster and highly 6 5 visible status LEDs make for less effort on the part of the user and streamline installation, setup and operation. Just about any task associated with positioning, moving, con- veying and monitoring can be accomplished with these sensors. Refer to “General Notes Relating to Pepperl+Fuchs Product Information”. Pepperl+Fuchs Group USA: +1 330 486 0001 Germany: +49 621 776 4411 Singapore: +65 6779 9091 1 www.pepperl-fuchs.com fa-info@us.pepperl-fuchs.com fa-info@de.pepperl-fuchs.com fa-info@sg.pepperl-fuchs.com Release date: 2014-06-18 09:44 Date of issue: 2014-06-18 134124_eng.xml 2 88 12V ... 240 V AC/DC 11 62 6 25 24 16 12V ... 240 V AC/DC Thru-beam sensor LA28/LK28-Z-F1/31/116 Technical data Accessories System components OMH-05 Emitter LA28-F1/116 Mounting aid for round steel ø 12 mm or Receiver LK28-Z-F1/31/116 sheet 1.5 mm ... 3 mm General specifications Effective detection range 0 ... 65 m OMH-07 Threshold detection range 90 m Mounting aid for round steel ø 12 mm or Light source LED sheet 1.5 mm ... 3 mm Light type modulated visible red light Alignment aid LED red (in receiver lens) OMH-21 illuminated constantly: beam is interrupted, Mounting bracket flashes: reaching switching point, off: sufficient stability control OMH-22 Transmitter frequency F1 = 25 kHz Mounting bracket Diameter of the light spot approx. 1.3 m at 65 m Angle of divergence Emitter 1.2°, OMH-RLK29 Receiver 5° Mounting bracket Ambient light limit 50000 Lux Functional safety related parameters OMH-MLV11-K MTTF 490 a d dove tail mounting clamp Mission Time (T ) 20 a M OMH-RLK29-HW Diagnostic Coverage (DC) 0 % Mounting bracket for rear wall mounting Indicators/operating means Operation indicator LED green OMH-RL28-C Function indicator LED yellow: Weld slag cover model 1. LED lit constantly: signal > 2 x switching point (function reserve) Other suitable accessories can be found at 2. LED flashes: signal between 1 x switching point and 2 x swit- ching point www.pepperl-fuchs.com 3. LED off: signal < switching point Control elements sensitivity adjustment (Adjustment to < 25% of the effective ope- rating range) , Light/Dark switch Electrical specifications Operating voltage U 12 ... 240 V AC/DC B Power consumption P ≤ 3.5 VA 0 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 Switching voltage max. 250 V AC/DC Switching current max. 2 A Switching power DC: max. 50 W AC: max. 500 VA Switching frequency f 25 Hz Response time 20 ms Timer function ON delay (GAN), OFF delay (GAB), one shot (IAB), ON delay- OFF delay (GAN-GAB), programmable adjustment range 0.1 ...10 s Ambient conditions Ambient temperature -40 ... 60 °C (-40 ... 140 °F) Storage temperature -40 ... 75 °C (-40 ... 167 °F) Mechanical specifications Degree of protection IP67 Connection terminal compartment with 8 spring-loaded terminals for wire 2 cross section 0.5 ... 1.5 mm , Insulation stripping 7.5 ... 8.5 mm , M16 x 1.5 cable gland Material Housing Plastic ABS Optical face Plastic pane Mass 200 g (emitter and receiver) Compliance with standards and directi- ves 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 Approvals and certificates Protection class II, rated voltage ≤ 250 V AC with pollution degree 1-2 accor- ding to IEC 60664-1 Output circuit basis insulation of input cir- cuit according to EN 50178, rated insulation voltage 230 V AC Caution! The protection class 2 is only valid when the terminal compart- ment is closed. UL approval cULus Listed Caution: This equipment is considered as open-type equip- ment. It must be mounted within an enclosure, that is suitably designed for protection against internal fire and personal injury resulting from accessibility to live parts according UL 508. Refer to “General Notes Relating to Pepperl+Fuchs Product Information”. Pepperl+Fuchs Group USA: +1 330 486 0001 Germany: +49 621 776 4411 Singapore: +65 6779 9091 2 www.pepperl-fuchs.com fa-info@us.pepperl-fuchs.com fa-info@de.pepperl-fuchs.com fa-info@sg.pepperl-fuchs.com Release date: 2014-06-18 09:44 Date of issue: 2014-06-18 134124_eng.xml Thru-beam sensor LA28/LK28-Z-F1/31/116 CCC approval Certified by China Compulsory Certification (CCC) Curves/Diagrams Characteristic response curve Offset Y [mm] 1000 800 600 400 200 0 -200 -400 -600 -800 -1000 0 20 40 60 80 100 Distance X [m] X Permissible distance (offset) between the optical axis of the emitter and receiver. Relative received light strength Stability control 100000 10000 1000 100 10 1 0 20 40 60 80 100 Distance X [m] X Light spot diameter = f (Distance) Diameter in mm 10000 1000 100 10 1 0 20 40 60 80 100 Distance in m X Timer functions Refer to “General Notes Relating to Pepperl+Fuchs Product Information”. Pepperl+Fuchs Group USA: +1 330 486 0001 Germany: +49 621 776 4411 Singapore: +65 6779 9091 3 www.pepperl-fuchs.com fa-info@us.pepperl-fuchs.com fa-info@de.pepperl-fuchs.com fa-info@sg.pepperl-fuchs.com Release date: 2014-06-18 09:44 Date of issue: 2014-06-18 134124_eng.xml Y Thru-beam sensor LA28/LK28-Z-F1/31/116 Timer function Switching type Receiver exposed Receiver dark Light 1 2 3 4 ON ON Without Dark OFF ON t ON Light OFF 1 2 3 4 ON ON t t t ON delay ON ON ON Dark OFF ON t t t OFF OFF OFF Light OFF 1 2 3 4 ON ON t OFF delay OFF Dark OFF ON t t t OS OS OS Light OFF 1 2 3 4 ON ON one shot t t t OS OS OS Dark OFF Time t , t and t are adjustable from 0.1 to 10 seconds. ON OFF OS The Light-/Dark-Switch (Left, outer switch) is shown in the "Dark ON" position. Type Description Notes -Z OFF delay timer Adjustable time interval (0.1 s - 10 s) one shot timer ON delay timer ON delay timer / OFF delay timer ON delay timer / one shot timer Refer to “General Notes Relating to Pepperl+Fuchs Product Information”. Pepperl+Fuchs Group USA: +1 330 486 0001 Germany: +49 621 776 4411 Singapore: +65 6779 9091 4 www.pepperl-fuchs.com fa-info@us.pepperl-fuchs.com fa-info@de.pepperl-fuchs.com fa-info@sg.pepperl-fuchs.com Release date: 2014-06-18 09:44 Date of issue: 2014-06-18 134124_eng.xml