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IFM SMF921
IFM SMF921
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IFM SMF920
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IFM SMF920

SMF920

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Description

Magnetic-inductive flow meter (SM Foodmag series) for the food and beverage industry
Measured variables: flow rate, total volume, temperature, conductivity and fluid detection
Easy to set up thanks to app-based menu, guided installation and hygienic pushbuttons
Reduced cabling by combining supply voltage and output signals via an M12 connection
Housing design increases shock and vibration resistance
User-friendly communication and parameterisation via IO-Link

Specification

Product characteristics

Measuring range100...10000 l/min
6000...600000 l/h
0.09...9.43 m/s
6...600 m³/h
100...10000 l/min6000...600000 l/h
Nominal diameterDN150 (6“)
Process connectionifm-specific device flange

Application

Special featureGold-plated contacts
Applicationfood and beverage industry
Mediaconductive liquids; water; hydrous media
Note on mediafood products such as beer, milk, fruit juices, soft drinks, ketchup, yoghurt, yoghurt toppings, ice cream
conductivity: ≥ 5 µS/cm
Medium temperature[°C] [°C]-20...150
Min. burst pressure24 bar
2.4 MPa
24 bar2.4 MPa
Pressure rating16 bar
1.6 MPa
16 bar1.6 MPa

Electrical data

Operating voltage[V] [V]18...32 DC
Current consumption[mA] [mA]250; (24V)
Protection classIII
Reverse polarity protectionyes
Power-on delay time[s] [s]< 5
Measuring principlemagnetic-inductive

Inputs / outputs

Total number of inputs and outputs2

Inputs

InputsOUT2
external totaliser reset
OUT2external totaliser reset

Outputs

Total number of outputs2
Output signalOUT1
pulse signal; totaliser switching signal; diagnostic signal; IO-Link
OUT2
analogue signal; pulse signal; totaliser switching signal; diagnostic signal
OUT1pulse signal; totaliser switching signal; diagnostic signal; IO-Link
OUT2analogue signal; pulse signal; totaliser switching signal; diagnostic signal
Electrical designPNP/NPN
Pulse outputflow rate meter
Short-circuit protectionyes
Type of short-circuit protectionpulsed
Overload protectionyes
Number of analogue outputs1
Analogue current output[mA] [mA]4...20; (skalierbar)
Max. load[Ω] [Ω]500
Resolution of analogue output0.38 µA
Number of digital outputs2
Max. voltage drop switching output DC[V] [V]2
Permanent current rating of switching output DC[mA] [mA]100
Switching frequency DC[Hz] [Hz]0...10000

Measuring/setting range

Measuring range100...10000 l/min
6000...600000 l/h
0.09...9.43 m/s
6...600 m³/h
100...10000 l/min6000...600000 l/h
Display range-12000...12000 l/min
-720000...720000 l/h
-11.32...11.32 m/s
-720...720 m³/h
-12000...12000 l/min-720000...720000 l/h
Resolution0.1 l/min
100 l/h
0.01 m/s
0.1 m³/h
0.1 l/min100 l/h
Note on factory setting0...160,0 m³/h
Analogue start point ASP-10000...8000 l/min
-600000...480000 l/h
-9.43...7.55 m/s
-600...480 m³/h
-10000...8000 l/min-600000...480000 l/h
Analogue end point AEP-8000...10000 l/min
-480000...600000 l/h
-7.55...9.43 m/s
-480...600 m³/h
-8000...10000 l/min-480000...600000 l/h
Low flow cut-off LFC0...8000 l/min
0...480000 l/h
0...7.43 m/s
0...480 m³/h
0...8000 l/min0...480000 l/h
Pulse length[s] [s]0.00005...2
Pulse value0.017...99999000 I
Measuring range[°C] [°C]-20...150
Display range[°C] [°C]-20...150
Resolution[°C] [°C]0.01
Analogue start point[°C] [°C]-20...116
Analogue end point[°C] [°C]14...150
Measuring range[µS/cm] [µS/cm]100...100000
Display range[µS/cm] [µS/cm]0...10000000
Resolution[µS/cm] [µS/cm]1
Analogue start point[µS/cm] [µS/cm]0...80000
Analogue end point[µS/cm] [µS/cm]20000...100000

Accuracy / deviations

Accuracy (in the measuring range)in the range of 100...20000 µS/cm
±10% MW
in the range of 20000...100000 µS/cm
±20% MW
with optional factory calibration (availability is being planned)± (0,2 % MW + 2 mm/s)
standard± (0,5 % MW + 1,5 mm/s)
Repeatability± 5% MW
Accuracy[K] [K]± 1
Repeatability[K] [K]± 0,5
in the range of 100...20000 µS/cm±10% MW
in the range of 20000...100000 µS/cm±20% MW

Response times

Response time[s] [s]< 2
Damping process value dAP[s] [s]0...5

Software / programming

Diagnostic functionsdirection of flow detection; liquid detection

Interfaces

Communication interfaceIO-Link
Transmission typeCOM3 (230,4 kBaud)
IO-Link revision1.1.3
SDCI standardIEC 61131-9
ProfilesCommon - I&D
Identification and Diagnosis
Smart Sensor - SSP 4.3.4
Measuring and Switching Sensor, floating point, 4 channel
Common - I&DIdentification and Diagnosis
Smart Sensor - SSP 4.3.4Measuring and Switching Sensor, floating point, 4 channel
SIO modeyes
Required master port typeA
Process data analogue6
Process data binary8
Min. process cycle time[ms] [ms]1.9
IO-Link process data (cyclical)totaliser
32
flow
32
temperature
32
conductivity
32
status
4
binary switching information
8
totaliser32
flow32
temperature32
conductivity32
status4
binary switching information8
IO-Link functions (acyclical)direction of flow detection; totaliser; memory; operating hours counter; internal temperature; simulation function
Supported DeviceIDsdefault
1807
default1807

Operating conditions

Ambient temperature[°C] [°C]-20...65
Storage temperature[°C] [°C]-20...80
ProtectionIP 67; IP 69; (to DIN EN 60529)

Tests / approvals

EMCDIN 61326-1
Shock resistanceDIN IEC 68-2-27
20 g (18ms)
DIN IEC 68-2-2720 g (18ms)
Vibration resistanceDIN IEC 68-2-6
5 g (10...2000Hz)
DIN IEC 68-2-65 g (10...2000Hz)
MTTF[years] [years]81
UL approvalUL approval no.
I031
File number UL
E174189
UL approval no.I031
File number ULE174189
Pressure Equipment DirectiveSound engineering practice; can be used for group 2 fluids; group 1 fluids on request

Mechanical data

Weight[g] [g]17264
Housingcylindrical
Inlet pipe length5 x DN
Outlet pipe length2 x DN
Dimensions[mm] [mm]Ø 255 / L = 200
Materialshousing: stainless steel (316L/1.4404); flange: stainless steel (304/1.4301); electronics fixture: stainless steel (304/1.4301); electronics: stainless steel (316L/1.4404); Display: polysulfone; Display-Sealing: FKM; LED ring: PP
Materials (wetted parts)Pipe section: PFA; electrodes: stainless steel (316L/1.4435)
Nominal diameterDN150 (6“)
Process connectionifm-specific device flange
Surface characteristics Ra/Rz of the wetted partsRa < 0.4 μm

Displays / operating elements

Displayprocess value
full graphics TFT display, multi-colour 3,5" 320 x 240 Pixel
display layouts: 4
display rotation: 4 x 90°
operating status
LED ring, three-colour
process valuefull graphics TFT display, multi-colour 3,5" 320 x 240 Pixel
operating statusLED ring, three-colour
Display unitl/min; l/h; hl/min; hl/h; m³/min; m³/h; m/s; °C; μS/cm; S/m; ms/cm
Factory settingm³/h; °C; μS/cm
LanguageGerman; English; Spanish; French; Italian; Japanese; Korean; Portuguese; Chinese
Operating elements4
capacitive pushbuttons
4capacitive pushbuttons

Remarks

RemarksMW = measured value
MEW = Final value of the measuring range
pulse and totaliser signal are only available for one of the two outputs
reference conditions (1/2): water (free of gas bubbles), 15...35 °C, process connection: DIN32676 series A, pipe standard suitable for process connection
reference conditions (2/2): inlet pipe length 10xDN, outlet pipe length 5xDN, device settling time: 30 minutes, device orientation: horizontal, display orientation: up
accuracy specifications according to factory certificate on delivery
Pack quantity1 pcs.

Electrical connection - plug

Connector1 x M12; coding: A; Contacts: gold-plated

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