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IFM LMT194
LMT194
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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
Use in liquid and viscous media and bulk materials
Differentiation of media by parameterisation of the switching outputs
Reliable suppression of deposits or foam
User-friendly communication and parameterisation via IO-Link
Specification
Product characteristics
| Number of inputs and outputs | Number of digital outputs: 2 |
|---|---|
| Factory setting | hydrous media |
| Process connection | threaded connection G 1/2 sealing cone |
Application
| Special feature | Gold-plated contacts |
|---|---|
| Media | Liquids |
| Recommended media | water; hydrous media; oils; oil-based media |
| Cannot be used for | See the operating instructions, chapter "Function and features". |
| Probe length[mm] [mm] | 153 |
| Tank pressure | -1...40; (applications subject to the German Federal Water Act : -0,5...10 bar) bar -0.1...4; (applications subject to the German Federal Water Act : -0,5...10 bar) MPa |
| -1...40; (applications subject to the German Federal Water Act : -0,5...10 bar) bar | -0.1...4; (applications subject to the German Federal Water Act : -0,5...10 bar) MPa |
| Medium temperature[°C] [°C] | -25...85; (applications subject to the German Federal Water Act : 0...85 °C) |
| Medium temperature short time[°C] [°C] | -25...150; (1 h; applications subject to the German Federal Water Act : 0...100 °C) |
Electrical data
| Operating voltage[V] [V] | 18...30 DC |
|---|---|
| Current consumption[mA] [mA] | < 50 |
| Protection class | III |
| Reverse polarity protection | yes |
| 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 |
| Number of digital outputs | 2 |
| 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 |
|---|
Response times
| Response time[s] [s] | < 0.5 |
|---|
Interfaces
| Communication interface | IO-Link |
|---|---|
| Transmission type | COM2 (38,4 kBaud) |
| IO-Link revision | 1.1 |
| SDCI standard | IEC 61131-9 |
| 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 449 |
| default | 449 |
Operating conditions
| Ambient temperature[°C] [°C] | -20...85 |
|---|---|
| Note on ambient temperature | Medium temperature 100...150 °C -40...60 °C |
| Storage temperature[°C] [°C] | -40...85 |
| Protection | IP 68; IP 69K |
Tests / approvals
| Approval | WHG; General building authority approval; overflow prevention |
|---|---|
| EMC | DIN EN 61000-6-2 DIN EN 61000-6-4 open tanks |
| DIN EN 61000-6-4 | open tanks |
| Shock resistance | DIN EN 60068-2-27 50 g (11 ms) |
| DIN EN 60068-2-27 | 50 g (11 ms) |
| Vibration resistance | DIN EN 60068-2-6 20 g (10...2000 Hz) |
| DIN EN 60068-2-6 | 20 g (10...2000 Hz) |
| MTTF[years] [years] | 222.21 |
| UL approval | UL approval no. H001 |
| UL approval no. | H001 |
Mechanical data
| Weight[g] [g] | 329 |
|---|---|
| Dimensions[mm] [mm] | Ø 30 / L = 255 |
| Materials | stainless steel (316L/1.4404); stainless steel (316Ti/1.4571); PEEK; PEI; FKM |
| Materials (wetted parts) | stainless steel (316L/1.4404); stainless steel (316Ti/1.4571); PEEK surface characteristics: Ra < 0,8 µm / Rz = 4 µm; FKM |
| Process connection | threaded connection G 1/2 sealing cone |
Displays / operating elements
| Display | switching status LED, yellow operating status LED, green |
|---|---|
| switching status | LED, yellow |
| operating status | LED, green |
Remarks
| Pack quantity | 1 pcs. |
|---|
Electrical connection
| Connector | 1 x M12; coding: A; Contacts: gold-plated |
|---|
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