Radar Sensor – Level Control
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- Range: 10 m
- Blind zone: 35 cm
- Resolution: 1 mm
- Cone angle of the radar beam: ±3°
- Distance, level, volume or % output
- Approved acc. to ETSI 305550-2
- Male connector, M12 × 1, 4-pin
- Operating voltage 18…33 VDC
- Switching output switchable between PNP/ NPN
- Analog output switchable between 4… 20 mA/0…10 V
- Automatic current/voltage detection
- IO-Link
- 4-digit, 2-colored, 14-segment display
- Housing is rotatable by 180° after mounting the process connection
- Process connection G1"
- Pressure resistance -1…16 bar rel.
Functional principle
FMCW radar stands for frequency modulated continuous wave radar. FMCW is the English abbreviation for Frequency Modulated Continuous Wave. Non-modulated continuous wave radars have the disadvantage that they cannot measure distances due to lack of time reference. Such a time reference for distance measurement of stationary objects can be generated by means of frequency modulation. Using this method, a signal is emitted which continually changes the frequency. A periodic, linear frequency which varies upwards and downwards is used to limit the frequency range and to simplify the signal evaluation. The factor for the rate of change df/dt remains constant. If an echo signal is received, then this has a runtime delay as with the pulse radar, and thus a different frequency that is proportional to the distance.
Electrical data
| DC rated operating current Ie | ≤ 250 mA |
| Load resistance voltage output | ≥ 2 kΩ |
| Response time typical | < 10 ms |
| Current output | 4…20 mA |
| Switching frequency | up to 10 Hz |
| Voltage drop at Ie | ≤ 2 V |
| Short circuit protection | yes/Cyclic |
| Polarity protection | yes |
| Output function | NO/NC programmable, PNP/NPN, analog |
| Output function | output |
| Load resistance current output | ≤ 0.5 kΩ |
| Output 2 | Analog or switching output |
| Communication protocol | IO-Link |
| Residual ripple | < 10 % Uss |
| No-load current | up to 100 mA |
| Residual current | ≤ 0.1 mA |
| Operating voltage | from 17 to 33 V |
| Voltage output | from 0 to 10 V |
Mechanical data
| Display switch state | 2 × LEDs, Yellow |
| EMC | EN 61000-6-2:2019 |
| EMC | ETSI EN 301489-3 v.1.6.1 |
| Vibration resistance | 20 g (10…2000Hz), EN 60068-2-6 |
| MTTF | 178 years |
| Elektrischer Anschluss | Connector, M12 × 1 |
| Pressure resistance | 16 bar |
| Lens | plastic, PEEK |
| Ambient temperature | from -25 to 65 °C |
| Shock test | EN 60068-2-27 |
| Process connection | G 1" |
| Approvals | cULus |
| Approvals | CE |
| Approvals | ETSI |
| Storage temperature | from -40 to 85 °C |
| Design | With display (integrated probe), LRS |
| Max. tightening torque of housing nut | 45 Nm |
| Housing material | Stainless-steel/Plastic, 1.4404 (AISI |
| Housing material | 316L)/polyarylamide 50 % GF UL 94 V-0 |
| Housing material | PEEK |
| Shock resistance | 50 g (11 ms) |
| Degree of protection (IP) | IP67 |
| Degree of protection (IP) | IP69K |
| Abmessung | Ø 38 x 141.8 x 38 x 50.2 mm |
IO-Link
| Maximum Cable Length | 20 m |
| IO-Link port type | Class A |
| Communication mode | COM 3 (230.4 kBaud) |
| Function pin 4 | IO-Link |
| Function Pin 2 | Analog |
| Frame type | 2.2 |
| Process data width | 80 bit |
| Minimum cycle time | 5 ms |
| Profile support | Smart Sensor Profile |
| Switchpoint information | 4 bit |
| IO-Link specification | V 1.1 |
| Measured value information | 64 bit |
Radar data
| Edge lengths of the nominal actuator | 100 mm |
| Function | Radar scanner |
| Resolution | 1 mm |
| Range | from 0.35 to 10 m |
| Hysteresis | ≤ 50 mm |
| Minimum switching range | 50 mm |
| Linearity error | ≤ ± 0.1 % |
| Opening angle | 6 ° |
| Repeatability | 2 mm |
| Frequency range | from 122000000000 to 123000000000 Hz |
| Minimum measuring range | 500 mm |
| Output power EIRP | 10 dBm |
Other
| Process connection | G1 |
| Housing material | Edelstahl |
| Housing material | Kunststoff |
| Analog output | 4…20 mA |
| Connector type | M12 |
| Switching output | Schließer/Öffner |
| Switching output | PNP |
| Switching output | NPN |
