Industrial automation technical reference
ARAN VISIONفارسی
ifmSM6621

Flow sensor ifm model SM6621

Flow sensor ifm model SM6621, Part number SM6621

Verify the part number and specifications; the image alone does not establish suitability.

ARAN VISION reference
AV-FEED-10N8UZD
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Manufacturer confirmation required

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Documents / datasheets
ARAN VISION specification sheet

Technical specifications

Number of inputs and outputs
Number of digital outputs: 2; Number of analogue outputs: 1
Measuring range
0.05...35 l/min: 0.003...2.1 m³/h: 0.6...555 gph: 0.01...9.25 gpm
Process connection
threaded connection 1/2" NPT internal thread DN15
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
16 bar: 1.6 MPa
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
Measuring principle
magnetic-inductive
Number of Inputs and Type
counter reset
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
Display range
-42...42 l/min: -2.5...2.5 m³/h: -666...666 gph: -11.1...11.1 gpm
Resolution
0.02 l/min: 0.002 m³/h: 0.6 gph: 0.01 gpm
Set point SP
0.25...35 l/min: 0.015...2.1 m³/h: 4.2...555 gph: 0.07...9.25 gpm
Reset point rP
0...34.8 l/min: 0...2.08 m³/h: 1.2...552 gph: 0.02...9.2 gpm
Analogue start point ASP
0...28 l/min: 0...1.7 m³/h: 0...666 gph: 0...7.4 gpm
Analogue end point AEP
7...35 l/min: 0.42...2.1 m³/h: 111...555 gph: 1.85...9.25 gpm
Low flow cut-off LFC
0.05...1.75 l/min: 0.003...0.1 m³/h: 0.6...27.6 gph: 0.01...0.46 gpm
Frequency end point, FEP
7...35 l/min: 0.42...2.1 m³/h: 111.6...555 gph: 1.86...9.25 gpm
Frequency at the end point FRP [Hz]
1...10000
Pulse length [s]
0.001...2
Pulse value
0.001...99990000 I
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 (in the measuring range)
± (0,8 % MW + 0,2 % MEW)
Repeatability
± 0,2 % MEW
Accuracy [K]
± 2,5 (Q > 5 % MEW)
Start-up delay [s]
0...50
Response time [s]
15; (Q > 10 % MEW, T09)
Damping process value dAP [s]
0...5
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
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; Function: Measurement data, standard resolution
SIO mode
Yes
Required master port type
A
Process data analogue
3
Process data binary
2
Min. process cycle time [ms]
8
Supported DeviceIDs
Type of operation: DeviceID; default: 952
Ambient temperature [°F]
-4...140
Storage temperature [°F]
-13...176
Protection rating
IP 65; IP 67
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
Weight [g]
817.55
Housing
rectangular
Dimensions [mm]
110 x 48 x 73
Materials
stainless steel (316/1.4408); stainless steel (316L/1.4404); PC; PBT+PC-GF30
Min. insulation resistance [MΩ]
100; (500 V DC)
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Documents / datasheets

View / print the ARAN VISION specification sheetManufacturer datasheetOfficial manufacturer source · ifm

Source reviewed: 2026-10-24

Description

Flow sensor ifm part number SM6621; Number of inputs and outputs: Number of digital outputs: 2; Number of analogue outputs: 1; Operating voltage [V]: 18...30 DC; (to SELV/PELV); Current consumption [mA]: < 80. Technical specifications, condition and supply feasibility are checked before ordering.

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