Pepperl + Fuchs – VDM28-8-L1-IO/73C/110/122 DISTANCE SENSOR, IO LINK, LASER, 0.2-8M RANGE, PUSH PULL, 4-20MA OUTPUT, M12 CONNECTOR
VDM28-8-L1-IO/73c/110/122
The VDM28 distance measurement device employs Pulse Ranging Technology (PRT). It has a repeat accuracy of 5 mm with an operating range of 0.2 … 50 m and an absolute accuracy of 25 mm. The compact housing of the Series 28 photoelectric sensors, with dimensions of 88 mm (height), 26 mm (width) and 54 mm (depth), make it the smallest device available in its class.
| General specifications | ||
|---|---|---|
| Measuring range | 0.2 … 8 m | |
| Reference target | Kodak white (90%) | |
| Light source | laser diode typ. service life 85,000 h at Ta = +25 °C | |
| Light type | modulated visible red light | |
| Laser nominal ratings | Â | |
| Â | Note | LASER LIGHT , DO NOT STARE INTO BEAM |
| Â | Laser class | 1 |
| Â | Wave length | 660 nm |
| Â | Beam divergence | < 1.5 mrad |
| Â | Pulse length | approx. 4 ns |
| Â | Repetition rate | 250 kHz |
| Â | max. pulse energy | < 1.5 nJ |
| Angle deviation | max. ± 2° | |
| Measuring method | Pulse Ranging Technology (PRT) | |
| Diameter of the light spot | < 10 mm at a distance of 8 m at 20 °C | |
| Ambient light limit | 50000 Lux | |
| Temperature influence | typ. ≤ 0.25 mm/K | |
| Functional safety related parameters | ||
| MTTFd | 200 a | |
| Mission Time (TM) | 10 a | |
| Diagnostic Coverage (DC) | 0 % | |
| Indicators/operating means | ||
| Operation indicator | LED green | |
| Function indicator | 2 LEDs yellow for switching state | |
| Teach-in indicator | Teach-In: LED green/yellow equiphase flashing; 2.5 Hz Teach Error:LED green/yellow non equiphase flashing; 8.0 Hz | |
| Control elements | 5-step rotary switch for operating modes selection (threshold setting and operating modes) | |
| Control elements | Switch for setting the threshold values | |
| Electrical specifications | ||
| Operating voltage | 10 … 30 V DC / when operating in IO-Link mode: 18 … 30 V | |
| Ripple | 10 % within the supply tolerance | |
| No-load supply current | ≤ 70 mA / 24 V DC | |
| Time delay before availability | 1.5 s | |
| Interface | ||
| Interface type | IO-Link | |
| Protocol | IO-Link V1.0 | |
| Cycle time | min. 2.3 ms | |
| Mode | COM2 (38.4 kBit/s) | |
| Process data width | 16 bit | |
| SIO mode support | yes | |
| Output | ||
| Signal output | Push-pull output, short-circuit protected, reverse polarity protected | |
| Switching voltage | max. 30 V DC | |
| Switching current | max. 100 mA | |
| Measurement output | 1 analog output 4 … 20 mA, short-circuit/overload protected | |
| Switching frequency | 50 Hz | |
| Response time | 10 ms | |
| Conformity | ||
| Electromagnetic compatibility | EN 61000-6-2, EN 61000-6-4 | |
| Laser safety | IEC 60825-1:2007 | |
| Measurement accuracy | ||
| Absolute accuracy | ± 25 mm | |
| Repeat accuracy | < 5 mm | |
| Brand | Pepperl+Fuchs |
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