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IFM LR7020
LR7020
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Description
For the reliable level control in tanks and containers
Suitable for water, oils and coolants
Modular system consisting of evaluation unit and probe
Adaptation to different container heights through shortening of the probe
User-friendly communication and parameterisation via IO-Link
Specification
Product characteristics
| Number of inputs and outputs | Number of digital outputs: 2 |
|---|---|
| Probe length L[mm] [mm] | 100...2000 |
| Process connection | threaded connection G 3/4 external thread |
Application
| Special feature | Gold-plated contacts |
|---|---|
| Application | for industrial applications |
| Media | Liquids |
| Dielectric constant of the medium | ≥ 1,8; (for media with a dielectric constant of 1.8...5 (e.g. oils), a coaxial pipe is needed for operation) |
| Recommended media | water; hydrous media; oils; oil-based media |
| Process temperature[°C] [°C] | -25...80; (90 < 1 h ; see note under remarks) |
| Pressure rating | 16 bar 1.6 MPa |
| 16 bar | 1.6 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] | < 25 |
| 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: 2 |
|---|
Outputs
| Total number of outputs | 2 |
|---|---|
| Output signal | switching signal; IO-Link |
| Electrical design | PNP/NPN |
| Number of digital outputs | 2 |
| 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] | 200 |
| Short-circuit protection | yes |
| Type of short-circuit protection | pulsed |
| Overload protection | yes |
Measuring/setting range
| Probe length L[mm] [mm] | 100...2000 |
|---|---|
| Active range A[mm] [mm] | L-40; (when set to oil and oil based media: L-60) |
| Inactive range I1 / I2[mm] [mm] | 30 / 10; (when set to oil and oil based media: 30 / 30) |
| Sampling rate[Hz] [Hz] | 4 |
| Set point SP[mm] [mm] | 15...L-30 |
| Note on setpoint SP | when set to oil and oil based media: 35...L-30 |
| Reset point rP[mm] [mm] | 10... L-35 |
| Note on reset point rP | when set to oil and oil based media: 30...L-35 |
| In steps of[mm] [mm] | 5 |
| Hysteresis[mm] [mm] | > 5 |
Accuracy / deviations
| Repeatability[mm] [mm] | ± 5 |
|---|---|
| Measuring error[mm] [mm] | ± 7 |
| Offset error[mm] [mm] | 5 |
| Resolution[mm] [mm] | 1 |
| 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 3.1 Measuring Sensor Common - I&D Identification and Diagnosis |
| Smart Sensor - SSP 3.1 | Measuring Sensor |
| Common - I&D | Identification and Diagnosis |
| SIO mode | yes |
| Required master port type | A |
| Process data analogue | 3 |
| Process data binary | 2 |
| Min. process cycle time[ms] [ms] | 3.2 |
| Supported DeviceIDs | default 907 |
| default | 907 |
Operating conditions
| Ambient temperature[°C] [°C] | -25...60 |
|---|---|
| Storage temperature[°C] [°C] | -40...85 |
| Protection | IP 68; IP 69K; (7 days / 1 m water depth / 0.1 bar: IP 68) |
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) / 25 g (6 ms) with reference rod 0.5 m |
| DIN EN 60068-2-27 | 50 g (11 ms) / 25 g (6 ms) with reference rod 0.5 m |
| Vibration resistance | DIN EN 60068-2-6 5 g (10...2000 Hz) / 1 g (5...200 Hz) with reference rod 0.5 m |
| DIN EN 60068-2-6 | 5 g (10...2000 Hz) / 1 g (5...200 Hz) with reference rod 0.5 m |
| MTTF[years] [years] | 286 |
| UL approval | UL approval no. H010 File number UL E174191 |
| UL approval no. | H010 |
| File number UL | E174191 |
Mechanical data
| Weight[g] [g] | 484.4 |
|---|---|
| Dimensions[mm] [mm] | Ø 50 / L = 86 |
| Materials | stainless steel (304/1.4301); stainless steel (316L/1.4404); FKM; PEI |
| Materials (wetted parts) | stainless steel (303/1.4305); probe connection: stainless steel (316L/1.4435); PTFE; FKM; Sealing: NBR reinforced fibre |
| Process connection | threaded connection G 3/4 external thread |
Remarks
| Notes | For high process temperatures: The temperature at the process connection is decisive. The actual medium temperature may be higher. |
|---|---|
| Pack quantity | 1 pcs. |
Electrical connection - plug
| Connector | 1 x M12; coding: A; Contacts: gold-plated |
|---|
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