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IFM SM4020
SM4020
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Description
Precise measurement of flow, consumption and medium temperature
High accuracy, repeatability and measurement dynamics
With switching output, analogue output and pulse output
Clearly readable colour display with red/green colour change
No inlet and output pipe lengths required
Convenient operation via buttons or parameter setting via IO-Link
Specification
Product characteristics
| Number of inputs and outputs | Number of digital outputs: 2; Number of analogue outputs: 1 |
|---|---|
| Measuring range[ml/min] [ml/min] | 5...5000 |
| Process connection | threaded connection G 1/4 external thread DN6 flat seal |
Application
| Special feature | Gold-plated contacts |
|---|---|
| Media | conductive liquids; water; hydrous media |
| Note on media | conductivity: ≥ 20 µS/cm viscosity: < 70 mm²/s (40 °C) |
| Medium temperature[°C] [°C] | -20...90 |
| Pressure rating | 16 bar 1.6 MPa |
| 16 bar | 1.6 MPa |
Electrical data
| Operating voltage[V] [V] | 18...30 DC; (to SELV/PELV) |
|---|---|
| Current consumption[mA] [mA] | < 80 |
| Protection class | III |
| Reverse polarity protection | yes |
| Power-on delay time[s] [s] | 5 |
| Measuring principle | magnetic-inductive |
Inputs / outputs
| Number of inputs and outputs | Number of digital outputs: 2; Number of analogue outputs: 1 |
|---|
Inputs
| Inputs | counter reset |
|---|
Outputs
| Total number of outputs | 2 |
|---|---|
| Output signal | switching signal; analogue signal; pulse signal; IO-Link; frequency signal; (configurable) |
| 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 |
| Permanent current rating of switching output DC[mA] [mA] | 100 |
| Number of analogue outputs | 1 |
| Analogue current output[mA] [mA] | 4...20; (scalable) |
| Max. load[Ω] [Ω] | 500 |
| Pulse output | flow rate meter |
| Short-circuit protection | yes |
| Type of short-circuit protection | pulsed |
| Overload protection | yes |
Measuring/setting range
| Measuring range[ml/min] [ml/min] | 5...5000 |
|---|---|
| Display range[ml/min] [ml/min] | -6000...6000 |
| Resolution[ml/min] [ml/min] | 1 |
| Set point SP[ml/min] [ml/min] | 33...5000 |
| Reset point rP[ml/min] [ml/min] | 7...4974 |
| Analogue start point ASP[ml/min] [ml/min] | 0...3993 |
| Analogue end point AEP[ml/min] [ml/min] | 1007...5000 |
| Low flow cut-off LFC[ml/min] [ml/min] | 5...250 |
| Frequency end point, FEP[ml/min] [ml/min] | 1005...5000 |
| Frequency at the end point FRP[Hz] [Hz] | 1...10000 |
| Pulse length[s] [s] | 0.005...2 |
| Pulse value | 0.001...99990000 I |
| Measuring range[°C] [°C] | -20...90 |
| Display range[°C] [°C] | -42...112 |
| Resolution[°C] [°C] | 0.1 |
| Set point SP[°C] [°C] | -19.6...90 |
| Reset point rP[°C] [°C] | -20...89.6 |
| Analogue start point[°C] [°C] | -20...68 |
| Analogue end point[°C] [°C] | 2...90 |
| In steps of[°C] [°C] | 0.1 |
Accuracy / deviations
| Accuracy (in the measuring range) | ± (0,8 % MW + 0,2 % MEW) |
|---|---|
| Repeatability | ± 0,2 % MEW |
| Accuracy[K] [K] | ± 2,5 (Q > 1 l/min) |
Response times
| Start-up delay[s] [s] | 0...50 |
|---|---|
| Response time[s] [s] | 15; (Q > 1 l/min, T09) |
| Damping process value dAP[s] [s] | 0...5 |
Software / programming
| Parameter setting options | hysteresis / window; normally open / normally closed; switching logic; frequency output; current/pulse output; start-up delay; display can be deactivated; Display unit |
|---|
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 |
| 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] | 8 |
| Supported DeviceIDs | default 943 |
| default | 943 |
Operating conditions
| Ambient temperature[°C] [°C] | -20...60 |
|---|---|
| Storage temperature[°C] [°C] | -25...80 |
| Protection | IP 65; IP 67 |
Tests / approvals
| EMC | DIN EN 60947-5-9 |
|---|---|
| Shock resistance | DIN IEC 68-2-27 20 g (11 ms) |
| DIN IEC 68-2-27 | 20 g (11 ms) |
| Vibration resistance | DIN IEC 68-2-6: 5 g (10...2000 Hz) |
| DIN IEC 68-2-6: | 5 g (10...2000 Hz) |
| MTTF[years] [years] | 114 |
| UL approval | UL approval no. I014 File number UL E174189 |
| UL approval no. | I014 |
| File number UL | E174189 |
| Pressure Equipment Directive | Sound engineering practice; can be used for group 2 fluids; group 1 fluids on request |
Mechanical data
| Weight[g] [g] | 712.8 |
|---|---|
| Housing | rectangular |
| Dimensions[mm] [mm] | 110 x 48 x 73 |
| Materials | stainless steel (316/1.4408); stainless steel (316L/1.4404); PC; PBT+PC-GF30 |
| Materials (wetted parts) | Pipe section: stainless steel (316L/1.4404); Process connection sealing: NBR reinforced fibre Flat seal; FKM; PEEK; carbon fibre PEEK |
| Process connection | threaded connection G 1/4 external thread DN6 flat seal |
Displays / operating elements
| Display | colour display 1,44", 128 x 128 pixels 2 x LED, yellow |
|---|
Remarks
| Remarks | MW = measured value MEW = Final value of the measuring range |
|---|---|
| Pack quantity | 1 pcs. |
Electrical connection
| Connector | 1 x M12; coding: A; Contacts: gold-plated |
|---|
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