System components |
Emitter | LA28-F1/116 |
Receiver | LK28-Z-F1/31/116 |
General specifications |
Effective detection range | 0 ... 65 m |
Threshold detection range | 90 m |
Light source | LED |
Light type | modulated visible red light |
Alignment aid | LED red (in receiver lens) illuminated constantly: beam is interrupted, flashes: reaching switching point, off: sufficient stability control |
Transmitter frequency | F1 = 25 kHz |
Diameter of the light spot | approx. 1.3 m at 65 m |
Opening angle | Emitter 1.2°, Receiver 5° |
Ambient light limit | 50000 Lux |
Functional safety related parameters |
MTTFd | 490 a |
Mission Time (TM) | 20 a |
Diagnostic Coverage (DC) | 0 % |
Indicators/operating means |
Operation indicator | LED green |
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 |
Electrical specifications |
Operating voltage | 12 ... 240 V AC/DC |
Power consumption | ≤ 3.5 VA |
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 | 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 |
Conformity |
Product standard | EN 60947-5-2 |
Approvals and certificates |
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. |
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. |
CCC approval | Certified by China Compulsory Certification (CCC) |
Ambient conditions |
Ambient temperature | -40 ... 60 °C (-40 ... 140 °F) |
Storage temperature | -40 ... 60 °C (-40 ... 140 °F) |
Mechanical specifications |
Degree of protection | 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 |
Material | |
| Housing | Plastic ABS |
| Optical face | Plastic pane |
Mass | 200 g (emitter and receiver) |
Dimensions | |
| Height | 88 mm |
| Width | 25.8 mm |
| Depth | 65.5 mm |