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IFM LT8023
LT8023
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Description
Reliable level detection in containers and tanks
For use in water, oils and coolants
User-friendly setting of switching function and switch points
Level and temperature monitoring with just one unit
Clearly visible 4-digit LED display
Convenient operation via buttons or parameter setting via IO-Link
Specification
Product characteristics
| Number of inputs and outputs | Number of digital outputs: 4 |
|---|---|
| Factory setting | 2 switching outputs level (OUT1, OUT2); 2 switching outputs temperature (OUT3, OUT4); mineral oils |
| Probe length L[mm] [mm] | 472 |
Application
| Media | hydrous coolants; oils; oil-based media; water; media similar to water |
|---|---|
| Dielectric constant of the medium | > 2 |
| Cannot be used for | extremely conductive media; adhering media; granulates; bulk material; acids; alkali |
| Tank pressure | 0.5; (when mounting with mounting accessories: E43001 - E43007, E43019) bar 0.05; (when mounting with mounting accessories: E43001 - E43007, E43019) MPa |
| 0.5; (when mounting with mounting accessories: E43001 - E43007, E43019) bar | 0.05; (when mounting with mounting accessories: E43001 - E43007, E43019) MPa |
| Medium temperature[°C] [°C] | 0...35; (with climatic tube E43101 35...60 °C) |
| Medium temperature short time[°C] [°C] | 0...90; (< 1 h) |
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 | capacitive |
Inputs / outputs
| Number of inputs and outputs | Number of digital outputs: 4 |
|---|
Outputs
| Total number of outputs | 4 |
|---|---|
| Output signal | switching signal; IO-Link |
| Electrical design | PNP/NPN |
| Number of digital outputs | 4 |
| 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 | thermal, pulsed |
| Overload protection | yes |
Measuring/setting range
| Factory setting | 2 switching outputs level (OUT1, OUT2); 2 switching outputs temperature (OUT3, OUT4); mineral oils |
|---|---|
| Probe length L[mm] [mm] | 472 |
| Active range A[mm] [mm] | 390 |
| Inactive range I1 / I2[mm] [mm] | 60 / 22 |
| Set point SP[mm] [mm] | 35...390 |
| Reset point rP[mm] [mm] | 30...385 |
| In steps of[mm] [mm] | 5 |
| Reference point OP[mm] [mm] | 139 - 163 - 188 - 212 - 236 - 261 - 285 - 310 - 334 - 358 - 383 - 407 - OFF |
| Hysteresis, OP[mm] [mm] | 3 |
| Measuring range[°C] [°C] | -20...90 |
| Set point SP[°C] [°C] | -19.5...90 |
| Reset point rP[°C] [°C] | -20...89.5 |
| In steps of[°C] [°C] | 0.5 |
| Resolution of switching output[K] [K] | 0.5 |
Accuracy / deviations
| Measuring error[% of the final value] [% of the final value] | ± 5 |
|---|---|
| Repeatability | ± 2 |
| Resolution[mm] [mm] | 5 |
| Switch point accuracy[K] [K] | ± 1,5 |
| Resolution[K] [K] | 0.5 |
| Dynamic response T09[s] [s] | 90 |
Software / programming
| Parameter setting options | hysteresis / window; normally open / normally closed; SP/rP position; OP position; adjustment OP; medium selection; offset setting; Display unit; process value assignment |
|---|
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 | 4 |
| Process data binary | 4 |
| Min. process cycle time[ms] [ms] | 4.5 |
| Supported DeviceIDs | default 19 |
| default | 19 |
Operating conditions
| Ambient temperature[°C] [°C] | 0...60 |
|---|---|
| Storage temperature[°C] [°C] | -25...80 |
| Protection | IP 67 |
Tests / approvals
| EMC | DIN EN 61000-6-2 DIN EN 61000-6-4 |
|---|---|
| Shock resistance | DIN EN 60068-2-27 15 g (11 ms) |
| DIN EN 60068-2-27 | 15 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] | 195 |
Mechanical data
| Weight[g] [g] | 372.95 |
|---|---|
| Dimensions[mm] [mm] | Ø 16 |
| Materials | stainless steel (304/1.4301); stainless steel (316L/1.4404); FKM; NBR; PBT; PC; PP; PA; TPV |
| Materials (wetted parts) | PP |
Displays / operating elements
| Display | Display unit 4 x LED, green (cm, inch, °C, °F) switching status 4 x LED, yellow (OUT4...OUT1) measured values alphanumeric display, 4-digit parameter setting alphanumeric display, 4-digit |
|---|---|
| Display unit | 4 x LED, green (cm, inch, °C, °F) |
| switching status | 4 x LED, yellow (OUT4...OUT1) |
| measured values | alphanumeric display, 4-digit |
| parameter setting | alphanumeric display, 4-digit |
Remarks
| Pack quantity | 1 pcs. |
|---|
Electrical connection
| Connector | 1 x M12; coding: A |
|---|
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