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Ultrasonic flow meter

SU2621

SUN21XFBFRKG/US

Ultrasonic flow meter

SU2621

SUN21XFBFRKG/US

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  • acs
  • reg31
  • iolink
  • ktw
Technical details
Product characteristics
Process connection 2" NPT DN50 external thread
Application
Special feature Gold-plated contacts
Media ultra-pure water; water; hydrous media
Note on media
hydrous media: for media with >10 % additives, the repeatability is the only available value
Medium temperature
-20...100 °C -4...212 °F
Min. bursting pressure
150 bar 15 MPa
Pressure rating
100 bar 10 Mpa
Vacuum resistance [mbar] -1000
Electrical data
Operating voltage [V] 18...32 DC; (to SELV/PELV)
Current consumption [mA] < 75
Protection class III
Reverse polarity protection yes
Power-on delay time [s] 5
Measuring principle ultrasonic
Inputs
Inputs counter reset
Outputs
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] 2
Permanent current rating of switching output DC [mA] 100
Switching frequency DC [Hz] 0...10000
Analogue current output [mA] 4...20
Max. load [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
5...1000 l/min 0.3...60 m³/h 79...15850 gph 1.32...264.18 gpm
Display range
-1200...1200 l/min -72...72 m³/h -19020...19020 gph -317...317 gpm
Resolution
0.1 l/min 0.001 m³/h 1 gph 0.01 gpm
Set point SP
10.5...1000 l/min 0.63...60 m³/h 166...15850 gph 2.77...264.17 gpm
Reset point rP
5.3...994.8 l/min 0.318...59.688 m³/h 84...15768 gph 1.4...262.8 gpm
Analogue start point ASP
-1000...800 l/min -60...48000 m³/h -15850...12680 gph -264.18...211.34 gpm
Analogue end point AEP
-800...1000 l/min -48000...60 m³/h -12680...15850 gph -211.34...264.17 gpm
Low flow cut-off LFC
5...50 l/min 0.3...3 m³/h 79...793 gph 1.32...13.21 gpm
Frequency end point, FEP
200.6...1000 l/min 12.037...60 m³/h 3180...15850 gph 53...264.17 gpm
Frequency at the end point FRP [Hz] 1...10000
Volumetric flow quantity monitoring
Pulse length [s] 0.002...2
Pulse value 0.1...99990000 I; 0.026...26414563.515 gal
Temperature monitoring
Measuring range
-20...100 °C -4...212 °F
Display range
-44...124 °C -47.2...255.2 °F
Resolution [°C] 0.1
Set point SP
-19.6...100 °C -3.2...212 °F
Reset point rP
-20...99.6 °C -4...211.2 °F
Analogue start point
-20...76 °C -4...168.8 °F
Analogue end point
4...100 °C 39.2...212 °F
Frequency start point, FSP
-20...76 °C 4...168.8 °F
Frequency end point, FEP
4...100 °C 39.2...212 °F
Frequency at the end point FRP [Hz] 1...10000
Accuracy / deviations
Flow monitoring
Accuracy (in the measuring range) ± (1,0 % MW + 0,5 % MEW)
Repeatability ± 0,2 % MEW
Temperature monitoring
Accuracy [K] ± 2,5 (Q > 5 % MEW)
Temperature coefficient [% of the span / 10 K] 0,2
Response times
Flow monitoring
Response time [s] < 0.25; (dAP = 0, T09)
Damping process value dAP [s] 0...5
Temperature monitoring
Dynamic response T05 / T09 [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 Identification and Diagnosis (0x4000)
Required master port type A
Process data analogue 3
Process data binary 2
Min. process cycle time [ms] 9.6
IO-Link process data (cyclical)
function bit length
totaliser 32
Flow monitoring 32
Temperature monitoring 32
status 4
Output 1 1
Output 2 1
Supported DeviceIDs
Type of operation DeviceID
Default 1461
Operating conditions
Ambient temperature [°C] -20...60
Storage temperature [°C] -25...80
Protection IP 67
Tests / approvals
Pressure Equipment Directive can be used for group 2 fluids; group 1 fluids on request
Mechanical data
Weight [g] 1384.5
Type of mounting inlet pipe length 5xDN; outlet pipe length 1xDN
Materials housing: stainless steel (1.4404 / 316L); Display: PFA; Sealing Display: FKM; connector: POKAN
Materials (wetted parts) Pipe section: stainless steel (1.4404 / 316L); Process connection sealing: Centellen Flat seal
Process connection 2" NPT DN50 external thread
Surface characteristics Ra/Rz of the wetted parts 1.25
Displays / operating elements
Display
colour display 1,44", 128 x 128 pixels
Switching function 2 x LED, yellow
diagnosis 1 x LED, three-colour
Accessories
Items supplied
Flat seal 2, Centellen
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
Connection Connector: 1 x M12; coding: A; Contacts: gold-plated
Diagrams and graphs
Note on pressure loss
derating ambient temperature
ifm electronic gmbh • Friedrichstraße 1 • 45128 Essen — We reserve the right to make technical alterations without prior notice. — EN-GB — SU2621-00 — 21.10.2022 —

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