Pepperl+Fuchs Series 39 sensors are characterized by their high performance level, compact housing design, and variety of available versions. These include thru-beam sensors with a 20 m detection range, retro reflective sensors with polarization filter for a 5 m detection range, energetic diffuse mode sensors with an 800 mm and 2000 mm detection range, and a background suppression sensor with 500 mm detection range.
Fitted in a robust plastic housing, this series is ideal for tough industrial applications. The sensors are supplied with 10 V to 30 V DC, or 24 V to 240 V AC/DC. Various transistor and relay outputs are available as signal outputs. Standard features include prefault diagnostics and pre-fault output. The switching element function can be changed using the light/dark switch.
Features
- Light/dark ON, switchable
- Supplied with mounting accessory
- Degree of protection IP67
Technical Data
| System components | ||
| Emitter | LA39/116 | |
| Receiver | LK39/31/40a/116 | |
| General specifications | ||
| Effective detection range | 0 … 20 m | |
| Threshold detection range | 25 m | |
| Adjustment range | 2 … 25 m | |
| Reference target | receiver | |
| Light source | IRED | |
| Light type | modulated infrared light | |
| Ambient light limit | IEC / EN 60947-5-2 , 10000 Lux | |
| Functional safety related parameters | ||
| MTTFd | 916 a | |
| Mission Time (TM) | 20 a | |
| Diagnostic Coverage (DC) | 0% | |
| Indicators/operating means | ||
| Operation indicator | LED red (emitter) | |
| Function indicator | LED yellow: switching state | |
| LED red: pre-fault indication | ||
| Control elements | Sensing range adjuster, light-on/dark-on changeover switch | |
| Electrical specifications | ||
| Operating voltage | 12 … 240 V DC / 24 … 240 V AC (50 … 60 Hz) | |
| Ripple | 10% | |
| No-load supply current | ≤ 60 mA receiver and emitter | |
| Protection class | II, rated voltage ≤ 250 V AC with pollution degree 1-2 according to IEC 60664-1 Caution! | |
| The protection class 2 is only valid when the terminal compartment is closed. output circuit has basic insulation to control circuit according to IEC/EN 61140 | ||
| Power consumption | ≤ 3 VA | |
| Time delay before availability | ≤ 300 ms | |
| Output | ||
| Switching type | light/dark on | |
| Signal output | 1 relay output | |
| Switching voltage | max. 240 V AC ; 150 V DC | |
| Switching current | max. 3 A | |
| Switching power | DC: max. 90 W AC: max. 750 VA | |
| Switching frequency | ≤ 25 Hz | |
| Response time | ≤ 20 ms | |
| Conformity | ||
| Product standard | EN 60947-5-2 | |
| Approvals and certificates | ||
| EAC conformity | TR CU 020/2011 | |
| TR CU 004/2011 | ||
| CCC approval | Certified by China Compulsory Certification (CCC) | |
| Approvals | CE | |
| Ambient conditions | ||
| Ambient temperature | -25 … 55 °C (-13 … 131 °F) | |
| Storage temperature | -40 … 70 °C (-40 … 158 °F) | |
| Mechanical specifications | ||
| Housing width | 25 mm | |
| Housing height | 64 mm | |
| Housing depth | 75 mm | |
| Degree of protection | IP67 | |
| Connection | terminal compartment PG9, ≤ 2.5 mm2 | |
| Material | ||
| Housing | PBT | |
| Optical face | PMMA | |
| Mass | Emitter: approx. 90 g receiver: approx. 110 g | |
| General information | ||
| Scope of delivery | Mounting aid | |
Download Datasheet: Pepperl+Fuchs LA39/LK39/31/40a/116 Thru-beam sensor
Reference: pepperl-fuchs.com
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