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IFM LI5131
LI5131
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Description
For the reliable point level monitoring in tanks and containers
Detection of minimum level, leakage or overflow of tanks
Simple empty or full adjustment
Suitable for water, oils and coolants
User-friendly setting of the requested immersion depth of the sensor
Integrated temperature measurement via IO-Link
Specification
Product characteristics
| Number of inputs and outputs | Number of digital outputs: 2 |
|---|---|
| Factory setting | hydrous media |
| Probe length L[mm] [mm] | 132 |
Application
| Special feature | Gold-plated contacts |
|---|---|
| Media | Liquids |
| Dielectric constant of the medium | > 1,8 |
| Recommended media | water; hydrous media; oils; oil-based media |
| Cannot be used for | See operating instructions, chapter "Intended use". |
| Medium temperature[°C] [°C] | -25...85 |
| Pressure rating | 0.5 bar 0.05 MPa |
| 0.5 bar | 0.05 MPa |
| Vacuum resistance[mbar] [mbar] | -500 |
Electrical data
| Operating voltage[V] [V] | 9.6...35 DC; (IO-Link: 18...30 DC) |
|---|---|
| Current consumption[mA] [mA] | < 15 |
| Protection class | III |
| Reverse polarity protection | yes |
| Power-on delay time[s] [s] | < 1 |
| Measuring principle | capacitive |
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] | 100 |
| Short-circuit protection | yes |
| Type of short-circuit protection | pulsed |
| Overload protection | yes |
Measuring/setting range
| Factory setting | hydrous media |
|---|---|
| Probe length L[mm] [mm] | 132 |
| Active range A[mm] [mm] | 28 |
| Measuring range[°C] [°C] | -25...85 |
Accuracy / deviations
| Accuracy[K] [K] | 1,5 |
|---|---|
| Resolution[K] [K] | 0.1 |
| Dynamic response T09[s] [s] | 240 |
Response times
| Response time[s] [s] | < 0.3 |
|---|
Interfaces
| Communication interface | IO-Link |
|---|---|
| Transmission type | COM2 (38,4 kBaud) |
| IO-Link revision | 1.1 |
| SDCI standard | IEC 61131-9 |
| Profiles | Common - I&D Identification and Diagnosis Function Measurement data, standard resolution |
| Common - I&D | Identification and Diagnosis |
| Function | Measurement data, standard resolution |
| SIO mode | yes |
| Required master port type | A |
| Process data analogue | 5 |
| Process data binary | 2 |
| Min. process cycle time[ms] [ms] | 4.5 |
| Supported DeviceIDs | default 1053 |
| default | 1053 |
Operating conditions
| Ambient temperature[°C] [°C] | -25...85 |
|---|---|
| Storage temperature[°C] [°C] | -25...85 |
| Protection | IP 68; IP 69K; (7 days / 3 m water depth / 0.3 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 12 g (11 ms) |
| DIN EN 60068-2-27 | 12 g (11 ms) |
| Vibration resistance | DIN EN 60068-2-6 5 g (10...2000 Hz) |
| DIN EN 60068-2-6 | 5 g (10...2000 Hz) |
| MTTF[years] [years] | 433 |
| UL approval | UL approval no. H013 File number UL E174191 |
| UL approval no. | H013 |
| File number UL | E174191 |
Mechanical data
| Weight[g] [g] | 203.55 |
|---|---|
| Materials | PP reinforced fibre |
| Materials (wetted parts) | PP |
| Probe diameter[mm] [mm] | 16 |
Displays / operating elements
| Display | operation LED, green switching status LED, yellow |
|---|---|
| operation | LED, green |
| switching status | LED, yellow |
| Operating elements | inductive programming button |
Remarks
| Pack quantity | 1 pcs. |
|---|
Electrical connection
| Connector | 1 x M12; coding: A; Contacts: gold-plated |
|---|
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