Features at a Glance
- Stainless steel housing
- Digital and analog output
- Synchronous and multiplex mode
- IO-Link 1.1
- Analog output scalable and invertible via teach-in button
U18T008 Distance Sensor
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These ultrasonic sensors evaluate the sound reflected from the object. They are capable of detecting almost any object, regardless of material and condition. As such, they are especially well suited for monitoring fill levels of liquids and bulk goods and for detecting transparent objects. The measured value can be read out via IO-Link, and the sensor can be adapted as needed to the application. The sensor can be used in reflex mode operation and as an ultrasonic through-beam sensor.
Ultrasonic Data | |
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| Working range, reflex sensor | 100 ... 1,200 mm |
| Working range, through-beam sensor | 100 ... 2,400 mm |
| Setting Range | 100 ... 1,200 mm |
| Reproducibility maximum | 2 mm |
| Linearity Deviation | 3 mm |
| Resolution | 1 mm |
| Ultrasonic Frequency | 240 kHz |
| Service Life (T = +25 °C) | 100,000 h |
| Switching Hysteresis | 2 % * |
Electrical Data | |
|---|---|
| Supply Voltage | 18 ... 30 V DC |
| Current Consumption (Ub = 24 V) | < 40 mA |
| Switching frequency, reflex sensor | 7 Hz |
| Switching frequency, through-beam sensor | 7 Hz |
| Response time, reflex sensor | 71 ms |
| Response time, through-beam sensor | 71 ms |
| Temperature Drift | < 1 % |
| Temperature Range | -30 ... 60 °C |
| Number of Switching Outputs | 1 |
| Switching Output Voltage Drop | < 2.5 V |
| Switching Output/Switching Current | 100 mA |
| Analog Output | 0...10 V |
| Synchronous Mode | Up to 32 sensors |
| Multiplex Mode | up to 16 sensors |
| Short Circuit Protection | yes |
| Reverse Polarity Protection | yes |
| Overload Protection | yes |
| Lockable | yes |
| Interface | IO-Link V1.1 Smart Sensor Profile |
| Data Storage | yes |
| Protection Class | III |
Mechanical Data | |
|---|---|
| Setting Method |
IO-Link Teach input (for analog output) |
| Housing Material | Stainless steel, V2A (1.4305 / 303) |
| Sensing face |
Epoxy resin/glass bubble mixture Plastic, PBT Silicone |
| Degree of Protection | IP67 |
| Connection | M12 × 1; 4/5-pin |
| Weight | 42 g |
Safety-relevant Data | |
|---|---|
| MTTFd (EN ISO 13849-1) | 1,193.85 a |
Output | |
|---|---|
| PNP NO/NC switchable | yes |
| Analog Output | yes |
| IO-Link | yes |
Adjustable parameters | |
|---|---|
| Circuit |
NC NC/NO NO |
| All other parameters can be found in the product documentation. |
Standards and certificates |
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* Referring to the switching distance, at least 2 mm.
Connection Diagram |
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Characteristic response curve |
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Characteristic curves show the position of the center of the measured object (100 × 100 mm plate) at the time of switching.
Ob = Object
Sc = Sonic cone width
 Standard sonic cone (center of the measured object) Extra-narrow sonic cone (center of the measured object) Standard sonic cone (front edge of the measured object) |
| Characteristic response curve |
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Characteristic curves show the position of the center of the measured object (Ø 25 mm rod) at the time of switching.
Ob = Object
Sc = Sonic cone width
Standard sonic cone (center of the measured object)Extra-narrow sonic cone (center of the measured object) |
Ctrl. Panel |
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06 = Teach Button
79 = Run/Error Indicator 7c = Analog Output Indicator, O |
Dimensioned Picture |
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Dimensions specified in mm (1 mm = 0.03937")
1 = Sensing Face
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Complementary Products |
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