Magnetic-inductive flow meter
SM7621
SMN34XGXFRKG/US-100
Magnetic-inductive flow meter
SM7621
SMN34XGXFRKG/US-100
- Precise measurement of flow, consumption and medium temperature
- High accuracy, repeatability and measurement dynamics
- With switching output, analog output and pulse output
- Clearly readable color display with red/green color change
- No inlet and output pipe lengths required
- Convenient operation via buttons or parameter setting via IO-Link
Limited availability. Alternative article: SM7601 Product comparison: SM7621 / SM7601
When selecting an alternative article and accessories please note that technical data may differ!
Product characteristics
Number of inputs and outputs | Number of digital outputs: 2; Number of analog outputs: 1 | ||||
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Measuring range |
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Process connection | 3/4" NPT DN20 |
Application
System | gold-plated contacts | ||
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Media | Conductive liquids; water; water-based media | ||
Note on media |
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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) |
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Current consumption [mA] | < 80 |
Protection class | III |
Reverse polarity protection | yes |
Power-on delay time [s] | 5 |
Measuring principle | magnetic-inductive |
Inputs / outputs
Number of inputs and outputs | Number of digital outputs: 2; Number of analog outputs: 1 |
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Inputs
Inputs | counter reset |
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Outputs
Total number of outputs | 2 |
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Output signal | switching signal; analog signal; pulse signal; IO-Link; frequency signal; (configurable) |
Electrical design | PNP/NPN |
Number of digital outputs | 2 |
Output function | normally open / closed; (configurable) |
Max. voltage drop switching output DC [V] | 2 |
Permanent current rating of switching output DC [mA] | 100 |
Number of analog outputs | 1 |
Analog current output [mA] | 4...20; (scalable) |
Max. load [Ω] | 500 |
Pulse output | flow rate meter |
Short-circuit protection | yes |
Type of short-circuit protection | yes (non-latching) |
Overload protection | yes |
Measuring/setting range
Measuring range |
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Display range |
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Resolution |
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Set point SP |
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Reset point rP |
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Analog start point ASP |
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Analog end point AEP |
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Low flow cut-off LFC |
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Frequency end point, FEP |
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Frequency at the end point FRP [Hz] | 1...10000 |
Pulse length [s] | 0.003...2 |
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Pulse value | 0.01...99990000 I |
Measuring range [°F] | -4...194 |
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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 |
Analog start point [°F] | -4...154.4 |
Analog end point [°F] | 35.6...194 |
In steps of [°F] | 0.1 |
Accuracy / deviations
Accuracy (in the measuring range) | ± (0,8 % MW + 0,2 % MEW) |
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Repeatability | ± 0,2 % MEW |
Accuracy [K] | ± 2,5 (Q > 5 % MEW) |
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Reaction times
Start-up delay [s] | 0...50 |
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Response time [s] | < 0.25; (dAP = 0, T09) |
Damping process value dAP [s] | 0...5 |
Response time [s] | 15; (Q > 10 % MEW, T09) |
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Software / programming
Parameter setting options | hysteresis / window; normally open / closed; switching logic; Frequency output; current/pulse output; Start-up delay; display can be deactivated; Display unit |
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Interfaces
Communication interface | IO-Link | ||||
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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 class | A | ||||
Process data analog | 3 | ||||
Process data binary | 2 | ||||
Min. process cycle time [ms] | 6 | ||||
Supported DeviceIDs |
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Operating conditions
Ambient temperature [°F] | -4...140 |
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Storage temperature [°F] | -13...176 |
Protection | IP 65; IP 67 |
Tests / approvals
EMC |
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Shock resistance |
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Vibration resistance |
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MTTF [years] | 114 | ||||
UL approval |
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Pressure equipment directive | sound engineering practice; can be used for group 2 fluids; group 1 fluids on request |
Mechanical data
Weight [g] | 848.9 |
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Material | stainless steel (1.4408/316); stainless steel (1.4404 / 316L); PC; PBT+PC-GF30 |
Materials (wetted parts) | stainless steel (1.4404 / 316L); PEEK; carbon fiber PEEK; FKM |
Process connection | 3/4" NPT DN20 |
Displays / operating elements
Display |
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Remarks
Remarks |
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Pack quantity | 1 pcs. |
Electrical connection
Connection | Connector: 1 x M12; coding: A; Contacts: gold-plated |
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Diagrams and graphs
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