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IFM LR2759
LR2759
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Description
For the reliable level control in tanks and containers
Hygienic design for the requirements of the food and beverage industry
Clearly visible 4-digit LED display
Modular system consisting of evaluation unit and probe
Adaptation to different container heights through shortening of the probe
Convenient operation via buttons or parameter setting via IO-Link
Specification
Product characteristics
| Number of inputs and outputs | Number of digital outputs: 1; Number of analogue outputs: 1 |
|---|---|
| Probe length L[mm] [mm] | 150...2000 |
| Process connection | threaded connection G 1 external thread Aseptoflex Vario |
Application
| Special feature | Gold-plated contacts |
|---|---|
| Application | hygienic systems |
| Media | Liquids |
| Dielectric constant of the medium | > 5 |
| Recommended media | water; hydrous media |
| Process temperature[°C] [°C] | -40...150; (see note under remarks) |
| Pressure rating | 40 bar 4 MPa |
| 40 bar | 4 MPa |
| Vacuum resistance | -1000 mbar -0.1 MPa |
| -1000 mbar | -0.1 MPa |
Electrical data
| Operating voltage[V] [V] | 18...30 DC |
|---|---|
| Current consumption[mA] [mA] | < 50 |
| Protection class | III |
| Reverse polarity protection | yes |
| Power-on delay time[s] [s] | < 3 |
| Measuring principle | guided wave radar |
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 |
| 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] | 150; (200 (...60 °C)) |
| Number of analogue outputs | 1 |
| Analogue current output[mA] [mA] | 4...20, invertible; (scalable) |
| Max. load[Ω] [Ω] | 500 |
| Factory setting | Electrical design: NPN |
| Short-circuit protection | yes |
| Type of short-circuit protection | pulsed |
| Overload protection | yes |
Measuring/setting range
| Probe length L[mm] [mm] | 150...2000 |
|---|---|
| Active range A[mm] [mm] | L-40 |
| Inactive range I1 / I2[mm] [mm] | 30 / 10 |
| Sampling rate[Hz] [Hz] | 4 |
| Set point SP[mm] [mm] | 15...L-30 |
| Reset point rP[mm] [mm] | 10... L-35 |
| In steps of[mm] [mm] | 1 |
| Hysteresis[mm] [mm] | > 5 |
Accuracy / deviations
| Measuring error[mm] [mm] | ± 7 |
|---|---|
| Offset error[mm] [mm] | 5 |
| Resolution[mm] [mm] | 1 |
| Zero signal (current)[mA] [mA] | 4.0 |
| Full signal (current)[mA] [mA] | 20 |
| Temperature drift per 10 K | ± 0.2 % |
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 0 Generic Profiled Sensor Function Device identification Function Process data variable Function Device diagnosis |
| Smart Sensor - SSP 0 | Generic Profiled Sensor |
| Function | Device diagnosis |
| SIO mode | yes |
| Required master port type | A |
| Process data analogue | 1 |
| Process data binary | 2 |
| Min. process cycle time[ms] [ms] | 2.3 |
| Supported DeviceIDs | default 643 |
| default | 643 |
Operating conditions
| Ambient temperature[°C] [°C] | -40...80 |
|---|---|
| Storage temperature[°C] [°C] | -40...100 |
| Protection | IP 68; IP 69K |
Tests / approvals
| EMC | DIN EN 61000-6-2 DIN EN 61000-6-3 : in a closed metal tank DIN EN 61000-6-4 : in plastic or open metal tanks |
|---|---|
| DIN EN 61000-6-3 | : in a closed metal tank |
| DIN EN 61000-6-4 | : in plastic or open metal tanks |
| Shock resistance | DIN EN 60068-2-27 50 g (11 ms) / 20 g (6 ms) with reference rod 0.5 m |
| DIN EN 60068-2-27 | 50 g (11 ms) / 20 g (6 ms) with reference rod 0.5 m |
| Vibration resistance | DIN EN 60068-2-6 20 g (10...2000 Hz) / 1 g (5...200 Hz) with reference rod 0.5 m |
| DIN EN 60068-2-6 | 20 g (10...2000 Hz) / 1 g (5...200 Hz) with reference rod 0.5 m |
| MTTF[years] [years] | 216 |
Mechanical data
| Weight[g] [g] | 396.5 |
|---|---|
| Materials | stainless steel (316L/1.4404); PEI; PFA; PBT; FKM |
| Materials (wetted parts) | stainless steel (316L/1.4404); PEEK; EPDM |
| Process connection | threaded connection G 1 external thread Aseptoflex Vario |
| Surface characteristics Ra/Rz of the wetted parts | Ra < 0.8 µm |
Displays / operating elements
| Display | Display unit 3 x LED, green switching status 2 x LED, yellow level alphanumeric display, 4-digit parameter setting alphanumeric display, 4-digit |
|---|---|
| Display unit | 3 x LED, green |
| switching status | 2 x LED, yellow |
| level | alphanumeric display, 4-digit |
| parameter setting | alphanumeric display, 4-digit |
Remarks
| Notes | For high process temperatures: The temperature at the process connection is decisive. The actual medium temperature may be higher.; For 3-A applications, the medium temperature is limited to 121 °C and COP cleaning is required. |
|---|---|
| Pack quantity | 1 pcs. |
Electrical connection
| Connector | 1 x M12; coding: A; Contacts: gold-plated |
|---|
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