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LD31/LV31/73c/76a/136 Thru-beam sensor
Key Benefits at a Glance
- Highly visible LED
- Powerful push-pull output
- Compact and stable housing
- Protection class II
Preferred Type
Note
All product-related documents, such as certificates, declarations of conformity, etc., which were issued prior to the conversion under the name Pepperl+Fuchs GmbH or Pepperl+Fuchs AG, also apply to Pepperl+Fuchs SE.
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Technical data of LD31/LV31/73c/76a/136
| Thru-beam sensor, 30 m detection range, red light, dark on, DC version, 2 push-pull outputs, emitter switch-off, M12 plug |
| Emitter | LD31/73c/76a | |
| Receiver | LV31/73c/136 |
| Effective detection range | 0 ... 30 m | |
| Threshold detection range | 43 m | |
| Light source | LED | |
| Light type | modulated visible red light , 630 nm | |
| Alignment aid | LED yellow: 1. LED illuminates: Sufficient light signal received, emitter and receiver alignment is correct 2. LED flashes: Reaching switching point 3. LED off: Light beam is interrupted or the alignment is out | |
| Diameter of the light spot | approx. 800 mm at a distance of 30 m | |
| Opening angle | Emitter: 1.5 ° , Receiver: 1.5 ° | |
| Ambient light limit | 50000 Lux ; according to EN 60947-5-2 |
| MTTFd | 750 a | |
| Mission Time (TM) | 20 a | |
| Diagnostic Coverage (DC) | 0 % |
| Operation indicator | LED green: power on | |
| Function indicator | LED yellow: 1. LED lit constantly: signal > 2 x switching point (operating reserve) 2. LED flashes: signal between 1 x switching point and 2 x switching point 3. LED off: signal < switching point |
| Operating voltage | UB | 10 ... 30 V DC |
| Ripple | 10 % | |
| No-load supply current | I0 | Emitter: ≤ 18 mA Receiver: ≤ 18 mA |
| Test input | emitter deactivation at +UB |
| Switching type | dark-on | |
| Signal output | 2 push-pull (4 in 1) outputs, short-circuit protected, reverse polarity protected | |
| Switching voltage | max. 30 V DC | |
| Switching current | max. 100 mA | |
| Voltage drop | Ud | ≤ 1.5 V |
| Switching frequency | f | ≤ 250 Hz |
| Response time | ≤ 2 ms |
| Product standard | EN 60947-5-2 |
| Protection class | II , rated voltage ≤ 250 V AC with pollution degree 1-2 according to IEC 60664-1 Output circuit basis insulation of input circuit according to EN 50178, rated insulation voltage 240 V AC | |
| UL approval | cULus Listed, Class 2 Power Source, Type 1 enclosure | |
| CCC approval | CCC approval / marking not required for products rated ≤36 V |
| Ambient temperature | -30 ... 55 °C (-22 ... 131 °F) | |
| Storage temperature | -40 ... 70 °C (-40 ... 158 °F) |
| Degree of protection | IP67 | ||||||||||
| Connection | 4-pin, M12 x 1 connector | ||||||||||
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| Mass | Emitter: 24 g Receiver: 24 g | ||||||||||
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