Flow sensor ifm model SM6621

Product attributes

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

Inputs

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]

< 0.25; (dAP = 0, T09)

Damping process value dAP [s]

0...5

Response time [s]

15; (Q > 10 % MEW, T09)

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