Flow Sensor Ifm SMF421

IFM CATEGORIES

Flow Sensor Ifm smf421

Flow Sensor SMF421

Brand: Ifm
Product Code: SMG50KGFFRKG/USD

  • Magnetic-inductive flow meter (SM Foodmag series) designed for the food and beverage sector
  • Measured parameters: flow rate, total volume, temperature value, conductivity, and fluid detection
  • Simple configuration enabled by an app-based menu, guided installation process, and hygienic tactile switches
  • Minimized cabling through the integration of supply voltage and output signals using an M12 connection
  • The housing design enhances resistance to shock and vibration

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Product characteristics

Measuring span
10...1200 l/min600...72000 l/h2.6...317 gpm0.28...33.42 ft/s
Nominal size DN50 (2“)
Connection for process specific device flange
System gold-plated terminals
Application food and drink sector
Media Conductive fluids; water; aqueous media
Comment on medium
edible items including beer, milk, fruit juices, soft drinks, ketchup, yogurt, yogurt toppings, ice cream
conductivity: = 5 µS/cm
Intermediate temperature value
-20...150 °C-4...302 °F
Minimum force per unit area before bursting
543.75 psi3.75 MPa
Pressure classification
362.5 psi2.5 MPa
Precision (under specified conditions)
with optional factory calibration (offered starting in 2025)± (0,2 % MW + 2 mm/s)
norm± (0,5 % MW + 1,5 mm/s)
Reproducibility 0,1% MW
Surrounding temperature value
-20...65 °C-4...149 °F
Temperature for storage
-20...80 °C-4...176 °F
Safety feature IP 67; IP 69

Reaction times

Response duration[s] < 0.3
Damping process parameter dAP[s] 0...5
diagnostic functions flow detection direction; liquid sensing
Overall count of outputs 2
Output response
OUT1pulse output; cumulative counter control signal; diagnostic output; IO-Link
OUT2analog signal; pulse output; cumulative counter control signal; diagnostic output
Electrical engineering design PNP/NPN
Pulse output signal flow measurement device
Overcurrent protection yes
Method of overcurrent protection yes (momentary)
Overcurrent protection yes

Inputs / outputs

Aggregate count of inputs and outputs 2
Voltage for operation[V] 18...32 DC
Current draw[mA] 250; (24V)
Safety feature rating III
Reverse polarity safeguard yes
Activation delay time[s] < 5
Measuring method magnetic-induction
Inputs
OUT2outdoor cumulative counter clear
Measuring span
10...1200 l/min600...72000 l/h2.6...317 gpm0.28...33.42 ft/s
Show range
-1440...1440 l/min-86400...86400 l/h-380.41...380.41 gpm-39.4...39.4 ft/s
Definition of detail level
0.1 l/min50 l/h0.01 gpm0.01 ft/s
Comment on default configuration
0…80 gpm
Analog initiation point ASP
-1200...960 l/min-72000...57600 l/h-317.04...253.63 gpm-32.8...26.24 ft/s
Analog endpoint AEP
-960...1200 l/min57600...72000 l/h-253.63...317.04 gpm-26.24...32.8 ft/s
Minimal flow termination LFC
0...960 l/min0...57600 l/h0...253.63 gpm0...26.24 ft/s
Pulse duration[s] 0.00005...2
Pulse amplitude 0.002...99990000 I
communication interface IO-Link
Mode of transmission COM3 (230,4 kBaud)
IO-Link version 1.1.3
SDCI specification IEC 61131-9
Configurations
Operation classOverview
0x4000Identification and Fault Detection
0x001BMeasuring and switching sensor, floating type, 4-channel
SIO mode yes
Necessary master port category A
Analog data process 6
Data binary process 8
Minimum process cycle duration[ms] 1.9
IO-Link cyclic process data
Operationbit length
cumulative counter32
flow32
temperature value32
conductivity32
status4
two-state switching data8
IO-Link acyclical functions direction of flow detection; cumulative counter; Speicher; operating hours counter; internal temperature value; simulation function

Download Specification for SMF421

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