Buy IFM Electronic SM7621

SM7621 Magnetic-inductive flow meter SMN34XGXFRKG/US-100

Code: SM7621
  • 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
Product characteristics
Number of inputs and outputs Number of digital outputs: 2; Number of analogue outputs: 1
Process connection 3/4" NPT DN20
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 [°F] -4...194
Pressure rating [bar] 16
Pressure rating [Mpa] 1.6
Electrical data
Operating voltage [V] 18...30 DC; (to SELV/PELV)
Current consumption [mA] < 80
Protection class III
Reverse polarity protection yes
Power-on delay time [s] 5
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] 2
Permanent current rating of switching output DC [mA] 100
Number of analogue outputs 1
Analogue current output [mA] 4...20; (scalable)
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
0.1...75 l/min 0.006...4.5 m³/h 1.2...1190 gph 0.02...19.82 gpm
Display range
-90...90 l/min -5.4...5.4 m³/h -1426.8...1426.8 gph -23.78...23.78 gpm
Resolution
0.1 l/min 0.006 m³/h 0.6 gph 0.01 gpm
Set point SP
0.5...75 l/min 0.03...4.5 m³/h 8.4...1189 gph 0.14...19.81 gpm
Reset point rP
0.1...74.6 l/min 0.006...4.48 m³/h 1.2...1183 gph 0.03...19.71 gpm
Analogue start point ASP
0...59.9 l/min 0...3.6 m³/h 0...950 gph 0...15.82 gpm
Analogue end point AEP
15.1...75 l/min 0.9...4.5 m³/h 240...1189 gph 3.99...19.81 gpm
Low flow cut-off LFC
0.1...3.8 l/min 0.006...0.23 m³/h 1.8...59.4 gph 0.03...0.99 gpm
Frequency end point, FEP
15.1...75 l/min 0.9...4.5 m³/h 240...1189 gph 3.99...19.81 gpm
Frequency at the end point FRP [Hz] 1...10000
Volumetric flow quantity monitoring
Pulse length [s] 0.003...2
Pulse value 0.01...99990000 I
Temperature monitoring
Measuring range [°F] -4...194
Display range [°F] -43.6...233.6
Resolution [°F] 0.1
Set point SP [°F] -3.3...194
Reset point rP [°F] -4...193.3
Analogue start point [°F] -4...154.4
Analogue end point [°F] 35.6...194
In steps of [°F] 0.1
Accuracy / deviations
Flow monitoring
Accuracy (in the measuring range) ± (0,8 % MW + 0,2 % MEW)
Repeatability ± 0,2 % MEW
Temperature monitoring
Accuracy [K] ± 2,5 (Q > 5 % MEW)
Response times
Flow monitoring
Start-up delay [s] 0...50
Response time [s] < 0.25; (dAP = 0, T09)
Damping process value dAP [s] 0...5
Temperature monitoring
Response time [s] 15; (Q > 10 % MEW, T09)
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 Smart Sensor: Process Data Variable; Device Identification, Device Diagnosis
SIO mode yes
Required master port type A
Process data analogue 3
Process data binary 2
Min. process cycle time [ms] 6
Supported DeviceIDs
Type of operation DeviceID
Default 958
Operating conditions
Ambient temperature [°F] -4...140
Storage temperature [°F] -13...176
Protection IP 65; IP 67
Tests / approvals
EMC
DIN EN 60947-5-9
Shock resistance
DIN IEC 68-2-27 20 g (11 ms)
Vibration resistance
DIN IEC 68-2-6: 5 g (10...2000 Hz)
MTTF [years] 114
UL approval
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] 848.9
Materials stainless steel (1.4408/316); stainless steel (1.4404 / 316L); PC; PBT+PC-GF30
Materials (wetted parts) stainless steel (1.4404 / 316L); PEEK; carbon fibre PEEK; FKM
Process connection 3/4" NPT DN20
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
Connection Connector: 1 x M12; coding: A; Contacts: gold-plated
Diagrams and graphs
Pressure loss / volumetric flow quantity
ifm electronic gmbh • Friedrichstraße 1 • 45128 Essen — We reserve the right to make technical alterations without prior notice. — EN-GB — SM7621-00 — 13.04.2023 —

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