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IFM LW2760
LW2760
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Description
80 GHz radar enables level measurement with millimetre precision of up to 10 metres
Non-contact measuring principle: no malfunctions due to deposits or wear
Certified for use in hygienic areas
Simple installation and maintenance-free operation
Remote sensor parameter setting and level monitoring via connection to the IT system
Intuitive set-up and visualisation of the measured data using the ifm Vision Assistant software
Specification
Product characteristics
| Number of inputs and outputs | Number of digital outputs: 1; Number of analogue outputs: 1 |
|---|---|
| Process connection | G 1 Aseptoflex Vario |
Application
| Special feature | Gold-plated contacts |
|---|---|
| Dielectric constant of the medium | ≥ 2 |
| Recommended media | water; hydrous media |
| Medium temperature[°C] [°C] | -40...150; (see diagram:) |
| Maximum speed of the change of level[mm/s] [mm/s] | 200 |
| Pressure rating[bar] [bar] | 8 |
| Note on pressure rating | 0 bar at medium temperature < - 20 C |
| Vacuum resistance[mbar] [mbar] | -1000 |
| Radio approval for | Malaysia; India; Philippines; Indonesia |
Electrical data
| Operating voltage[V] [V] | 18...30 DC |
|---|---|
| Current consumption[mA] [mA] | < 80 |
| Protection class | III |
| Reverse polarity protection | yes |
| Power-on delay time[s] [s] | < 15 |
| Measuring principle | FMCW (80 GHz technology); frequency range 76 - 77 GHz |
Inputs / outputs
| Number of inputs and outputs | Number of digital outputs: 1; Number of analogue outputs: 1 |
|---|
Outputs
| Total number of outputs | 2 |
|---|---|
| Output signal | switching signal; analogue signal; IO-Link |
| Electrical design | PNP/NPN |
| Number of digital outputs | 1; (2 parameterisable) |
| Output function | normally open / normally closed; (parameterisable) |
| Max. voltage drop switching output DC[V] [V] | 2.5 |
| Permanent current rating of switching output DC[mA] [mA] | 50 |
| Number of analogue outputs | 1 |
| Analogue current output[mA] [mA] | 4...20, invertible; (scalable) |
| Max. load[Ω] [Ω] | 43,5 * (Ub – 18) + 600 Ω |
| Short-circuit protection | yes |
| Type of short-circuit protection | pulsed |
| Overload protection | yes |
Measuring/setting range
| Measuring range[m] [m] | 10; (see diagram:) |
|---|---|
| Blocking distance[mm] [mm] | 0...400; (depending on the operating conditions: see diagram:) |
| Sampling rate[Hz] [Hz] | > 3 |
Accuracy / deviations
| Accuracy | ± 2 mm |
|---|---|
| Resolution[mm] [mm] | 1 |
| Zero signal (current)[mA] [mA] | 3.8 |
| Full signal (current)[mA] [mA] | 20.5 |
| Temperature drift per 10 K | ± 1 mm |
Response times
| Response time[ms] [ms] | 330 |
|---|
Interfaces
| Communication interface | IO-Link |
|---|---|
| Transmission type | COM2 (38,4 kBaud) |
| IO-Link revision | 1.1 |
| SDCI standard | IEC 61131-9 |
| Profiles | Smart Sensor - SSP 3.1 Measuring Sensor Common - I&D Identification and Diagnosis Function Multiple switching signal |
| Smart Sensor - SSP 3.1 | Measuring Sensor |
| Common - I&D | Identification and Diagnosis |
| Function | Multiple switching signal |
| SIO mode | yes |
| Required master port type | A |
| Process data analogue | 1 |
| Process data binary | 2 |
| Min. process cycle time[ms] [ms] | 6 |
| Supported DeviceIDs | default 1324 |
| default | 1324 |
Operating conditions
| Ambient temperature[°C] [°C] | -40...80 |
|---|---|
| Note on ambient temperature | see diagram: |
| Storage temperature[°C] [°C] | -40...90 |
| Protection | IP 68; IP 69K |
Tests / approvals
| EMC | DIN EN 61326-1 group 1: Class A (IO-Link active); B (IO-Link not active, with analogue and switching outputs) |
|---|---|
| DIN EN 61326-1 | group 1: Class A (IO-Link active); B (IO-Link not active, with analogue and switching outputs) |
| Shock resistance | DIN EN 60068-2-27 50 g (11 ms) / 20 g (6 ms) |
| DIN EN 60068-2-27 | 50 g (11 ms) / 20 g (6 ms) |
| Vibration resistance | IEC 61298-3 2 g (10...1000 Hz) |
| IEC 61298-3 | 2 g (10...1000 Hz) |
Mechanical data
| Weight[g] [g] | 723.2 |
|---|---|
| Materials | stainless steel (316L/1.4404); PA; FKM; FVMQ |
| Materials (wetted parts) | PTFE; EPDM |
| Process connection | G 1 Aseptoflex Vario |
| Surface characteristics Ra/Rz of the wetted parts | Ra < 0.76 µm |
Remarks
| Notes | An IO-Link master and a parameter setting software (e.g. moneo or LR DEVICE) are required for initial set-up.; For high process temperatures: The temperature at the process connection is decisive. The actual medium temperature may be higher.; use according to FDA compliance only in conjunction with a hygienic adapter |
|---|---|
| Pack quantity | 1 pcs. |
Electrical connection
| Connector | 1 x M12; coding: A; Contacts: gold-plated |
|---|
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