Pepperl+Fuchs LA28/LK28-LAS-F1-7675
Thru-beam sensor (pair)
- 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
- Laser version for long ranges
- Overview
- Comments
| Signal output | Relay, 1 alternator |
| Switching power | DC: max. 50 W AC: max. 500 VA |
| Control elements | sensitivity adjustment (Adjustment to < 25% of the effective operating range) , Light-on/dark-on changeover switch |
| Ambient light limit | 50000 Lux |
| Effective detection range | 0 ... 120 m |
| Housing width | 25.8 mm |
| Diameter of the light spot | Approx. 20 mm at 5 m, approx. 75 mm x 300 mm at 70 m horizontal in relation to the housing axis |
| Housing height | 88 mm |
| Light type | modulated visible red light |
| Operating voltage | 12 ... 240 V AC/DC |
| Protection class | 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 is only valid when the terminal compartment is closed. |
| 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 |
| Switching frequency | 25 Hz |
| Housing depth | 65.5 mm |
| FDA approval | IEC 60825-1:2007 Complies with 21 CFR 1040.10 and 1040.11 except for deviations pursuant to Laser Notice No. 50, dated June 24, 2007 |
| Receiver | LK28-LAS-F1-Z-7675 |
| Degree of protection | IP67 |
| Product standard | EN 60947-5-2 |
| Switching voltage | max. 250 V AC/DC |
| Angle of divergence | Emitter: 0.23 В° Receiver: 5 В° |
| Diagnostic Coverage (DC) | 0 % |
| Switching current | max. 2 A |
| Threshold detection range | 150 m |
| Power consumption | 3.5 VA |
| Ambient temperature | 0 ... 40 В°C (32 ... 104 В°F) |
| MTTFd | 440 a |
| 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 |
| Response time | 20 ms |
| Laser safety | EN 60825-1 |
| Alignment aid | LED red (in receiver lens) illuminated constantly: beam is interrupted, flashes: reaching switching point, off: sufficient stability control |
| Operation indicator | LED green |
| Switching type | light/dark on, switchable . (selectable, light/dark switching is only activated if the receiver has 'dark on' selected.) |
| Light source | laser diode |
| Storage temperature | -20 ... 75 В°C (-4 ... 167 В°F) |
| Emitter | LA28-LAS-F1-7675 |
| Mass | 200 g (emitter and receiver) |
| Timer function | ON delay (GAN), OFF delay (GAB), one shot (IAB), ON delay-OFF delay (GAN-GAB), programmable adjustment range 0.1 ...10 s |
| Mission Time (TM) | 20 a |
| UL approval | cULus Listed Caution: This equipment is considered as open-type equipment. 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. |
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