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IFM SU7631
SU7631
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Description
Accurate flow measurement of ultrapure water, water, oils and glycol solutions
A robust, component-free measuring pipe made of stainless steel offers high media resistance and permanent ingress resistance
The highly accurate inline measurement process eliminates any influence of varying wall thicknesses and pipe materials
Operating status LED signals the sensor status and allows conclusions about process quality
Convenient operation via buttons or parameter setting via IO-Link
Specification
Product characteristics
| Measuring range | 0.5...75 l/min 0.03...4.5 m³/h 8...1189 gph 0.13...19.81 gpm |
|---|---|
| 0.5...75 l/min | 0.03...4.5 m³/h |
| Process connection | threaded connection 3/4" NPT external thread DN20 |
Application
| Special feature | Gold-plated contacts |
|---|---|
| Media | ultra-pure water; water; hydrous media; glycol solutions; oils; coolants |
| Note on media | hydrous media: for media with >10 % additives, the repeatability is the only available value low-viscosity oils with viscosity: 7...40 mm²/s (40 °C) high-viscosity oils with viscosity: 30...68 mm²/s (40 °C) |
| Medium temperature | -20...100 °C -4...212 °F |
| -20...100 °C | -4...212 °F |
| Min. burst pressure | 150 bar 15 MPa |
| 150 bar | 15 MPa |
| Pressure rating | 100 bar 10 MPa |
| 100 bar | 10 MPa |
| Vacuum resistance[mbar] [mbar] | -1000 |
Electrical data
| Operating voltage[V] [V] | 18...32 DC; (to SELV/PELV) |
|---|---|
| Current consumption[mA] [mA] | < 75 |
| Protection class | III |
| Reverse polarity protection | yes |
| Power-on delay time[s] [s] | 5 |
| Measuring principle | ultrasonic |
Inputs
| Inputs | counter reset |
|---|
Outputs
| Total number of outputs | 2 |
|---|---|
| Output signal | switching signal; pulse signal; analogue signal; IO-Link; frequency signal; diagnostic signal; totaliser switching signal |
| Electrical design | PNP/NPN |
| 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 |
| Switching frequency DC[Hz] [Hz] | 0...10000 |
| Analogue current output[mA] [mA] | 4...20 |
| 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 | -20...100 °C -4...212 °F |
|---|---|
| 0.5...75 l/min | 0.03...4.5 m³/h |
| Display range | -44...124 °C -47.2...255.2 °F |
| -90...90 l/min | -5.4...5.4 m³/h |
| Resolution | 0.1 °C 0.1 °F |
| 0.1 l/min | 0.002 m³/h |
| Set point SP | -19.6...100 °C -3.2...212 °F |
| 0.9...75 l/min | 0.055...4.5 m³/h |
| Reset point rP | -20...99.6 °C -4...211.2 °F |
| 0.5...74.6 l/min | 0.032...4.477 m³/h |
| Analogue start point ASP | -75...60 l/min -4.5...3.6 m³/h -1189...951 gph -19.81...15.85 gpm |
| -75...60 l/min | -4.5...3.6 m³/h |
| Analogue end point AEP | -60...75 l/min -3.6...4.5 m³/h -951...1189 gph -15.78...19.81 gpm |
| -60...75 l/min | -3.6...4.5 m³/h |
| Low flow cut-off LFC | 0.5...3.2 l/min 0.03...0.195 m³/h 8...59 gph 0.13...0.99 gpm |
| 0.5...3.2 l/min | 0.03...0.195 m³/h |
| Frequency end point, FEP | 4...100 °C 4...212 °F |
| 15...75 l/min | 0.903...4.5 m³/h |
| Frequency at the end point FRP[Hz] [Hz] | 1...10000 |
| Pulse length[s] [s] | 0.002...2 |
| Pulse value | 0.02...99990000 l; 0.005...26414563.515 gal |
| -20...100 °C | -4...212 °F |
| -44...124 °C | -47.2...255.2 °F |
| 0.1 °C | 0.1 °F |
| -19.6...100 °C | -3.2...212 °F |
| -20...99.6 °C | -4...211.2 °F |
| Analogue start point | -20...76 °C -4...168.8 °F |
| -20...76 °C | 4...168.8 °F |
| Analogue end point | 4...100 °C 39.2...212 °F |
| 4...100 °C | 4...212 °F |
| Frequency start point, FSP | -20...76 °C 4...168.8 °F |
Accuracy / deviations
| Accuracy (in the measuring range) | glycol solutions (35%) ±(5,0 % MW + 0,5 % MEW) high-viscosity oils with viscosity 46mm2/s (40°C) ±(5,0 % MW + 1,0 % MEW) low-viscosity oils with viscosity 10mm2/s (40°C) ±(5,0 % MW + 1,0 % MEW) water ± (2,0 % MW + 0,5 % MEW) |
|---|---|
| glycol solutions (35%) | ±(5,0 % MW + 0,5 % MEW) |
| high-viscosity oils with viscosity 46mm2/s (40°C) | ±(5,0 % MW + 1,0 % MEW) |
| low-viscosity oils with viscosity 10mm2/s (40°C) | ±(5,0 % MW + 1,0 % MEW) |
| water | ± (2,0 % MW + 0,5 % MEW) |
| Repeatability | ± 0,2 % MEW |
| Accuracy[K] [K] | ± 2,5 (Q > 5 % MEW) |
| Temperature coefficient[% of the span / 10 K] [% of the span / 10 K] | 0,2 |
Response times
| Response time[s] [s] | < 0.25; (dAP = 0, T09) |
|---|---|
| Damping process value dAP[s] [s] | 0...5 |
| Dynamic response T05 / T09[s] [s] | 5,7 / 86 |
Software / programming
| Diagnostic functions | direction of flow detection; signal quality |
|---|
Interfaces
| Communication interface | IO-Link |
|---|---|
| Transmission type | COM2 (38,4 kBaud) |
| IO-Link revision | 1.1.3 |
| SDCI standard | IEC 61131-9: 2013-07 |
| Profiles | BLOB Binary Large Object transfer Common - I&D Identification and Diagnosis |
| BLOB | Binary Large Object transfer |
| Common - I&D | Identification and Diagnosis |
| Required master port type | A |
| Process data analogue | 3 |
| Process data binary | 2 |
| Min. process cycle time[ms] [ms] | 9.6 |
| IO-Link process data (cyclical) | totaliser 32 Flow monitoring 32 Temperature monitoring 32 status 4 Output 1 1 Output 2 1 |
| totaliser | 32 |
| Flow monitoring | 32 |
| Temperature monitoring | 32 |
| status | 4 |
| Output 1 | 1 |
| Output 2 | 1 |
| Supported DeviceIDs | default 1757 |
| default | 1757 |
Operating conditions
| Ambient temperature[°C] [°C] | -20...60 |
|---|---|
| Storage temperature[°C] [°C] | -25...80 |
| Protection | IP 67 |
Tests / approvals
| EMC | DIN 61326-1:2021 |
|---|---|
| Shock resistance | DIN IEC 68-2-27 20 g (11ms) |
| DIN IEC 68-2-27 | 20 g (11ms) |
| Vibration resistance | DIN IEC 68-2-6 20 g (10...2000Hz) |
| DIN IEC 68-2-6 | 20 g (10...2000Hz) |
| MTTF[years] [years] | 160 |
| UL approval | UL approval no. I034 |
| UL approval no. | I034 |
| Pressure Equipment Directive | can be used for group 2 fluids; group 1 fluids on request |
Mechanical data
| Weight[g] [g] | 596.8 |
|---|---|
| Housing | rectangular |
| Type of mounting | inlet pipe length 5xDN; outlet pipe length 1xDN |
| Dimensions[mm] [mm] | 158 x 48 x 57.9 |
| Materials | housing: stainless steel (316L/1.4404); Display: PFA; Sealing Display: FKM; connector: PBT |
| Materials (wetted parts) | Pipe section: stainless steel (316L/1.4404) |
| Process connection | threaded connection 3/4" NPT external thread DN20 |
| Surface characteristics Ra/Rz of the wetted parts | 49.21 µin |
Displays / operating elements
| Display | colour display 1,44", 128 x 128 pixels Switching function 2 x LED, yellow diagnosis 1 x LED, three-colour |
|---|---|
| Switching function | 2 x LED, yellow |
| diagnosis | 1 x LED, three-colour |
| Display unit | l/min; l/h; m³/h; m/s; gpm; gph; ft/s; oz/min |
Accessories
| Items supplied | package insert |
|---|
Remarks
| Remarks | MW = measured value MEW = Final value of the measuring range pulse and totaliser signal are only available for one of the two outputs the accuracy indications are adhered to over the entire application area |
|---|---|
| Pack quantity | 1 pcs. |
Electrical connection
| Connector | 1 x M12; coding: A; Contacts: gold-plated |
|---|
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