IFM SM7020 - Magnetic-inductive flow meter SMR34XGXFRKG/US-100

Precise measurement of flow, consumption and medium temperature.
High accuracy, repeatability and measurement dynamics.
With switching output, analogue output and pulse output.
Clearly readable colour display with red/green colour change.
No inlet and output pipe lengths required

Number of inputs and outputs	Number of digital outputs: 2; Number of analogue outputs: 1
Measuring range	0.1...75 l/min 0.006...4.5 m³/h 1.2...1190 gph 0.02...19.82 gpm
Process connection	G 3/4 DN20 flat seal

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 [°C]	-20...90
Pressure rating [bar]	16
Pressure rating [MPa]	1.6

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

Inputs / outputs

Number of inputs and outputs	Number of digital outputs: 2; Number of analogue outputs: 1

Inputs

Inputs	counter reset

Outputs

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

Measuring/setting range

Measuring range	0.1...75 l/min 0.006...4.5 m³/h 1.2...1190 gph 0.02...19.82 gpm
Display range	-90...90 l/min -5.4...5.4 m³/h -1426.8...1426.8 gph -23.78...23.78 gpm
Resolution	0.1 l/min 0.006 m³/h 0.6 gph 0.01 gpm
Set point SP	0.5...75 l/min 0.03...4.5 m³/h 8.4...1189 gph 0.14...19.81 gpm
Reset point rP	0.1...74.6 l/min 0.006...4.48 m³/h 1.2...1183 gph 0.03...19.71 gpm
Analogue start point ASP	0...59.9 l/min 0...3.6 m³/h 0...950 gph 0...15.82 gpm
Analogue end point AEP	15.1...75 l/min 0.9...4.5 m³/h 240...1189 gph 3.99...19.81 gpm
Low flow cut-off LFC	0.1...3.8 l/min 0.006...0.23 m³/h 1.8...59.4 gph 0.03...0.99 gpm
Frequency end point, FEP	15.1...75 l/min 0.9...4.5 m³/h 240...1189 gph 3.99...19.81 gpm
Frequency at the end point FRP [Hz]	1...10000

Pulse length [s]	0.003...2
Pulse value	0.01...99990000 I

Measuring range [°C]	-20...90
Display range [°C]	-42...112
Resolution [°C]	0.1
Set point SP [°C]	-19.6...90
Reset point rP [°C]	-20...89.6
Analogue start point [°C]	-20...68
Analogue end point [°C]	2...90
In steps of [°C]	0.1

Accuracy / deviations

Accuracy (in the measuring range)	± (0,8 % MW + 0,2 % MEW)
Repeatability	± 0,2 % MEW

Accuracy [K]	± 2,5 (Q > 5 % MEW)

Response times

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)

Software / programming

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

Interfaces

Communication interface	IO-Link
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 type	A
Process data analogue	3
Process data binary	2
Min. process cycle time [ms]	6
Supported DeviceIDs	Type of operation DeviceID default 955

Operating conditions

Ambient temperature [°C]	-20...60
Storage temperature [°C]	-25...80
Protection	IP 65; IP 67

Tests / approvals

EMC	DIN EN 60947-5-9
CPA approval	model number 006MI accuracy class - maximum allowable error ± 1,0 % FS Q (min) 0,006 m³/h Q (t) - Q (max) 4,5 m³/h
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]	797.5
Materials	stainless steel (1.4408/316); stainless steel (1.4404 / 316L); PC; PBT+PC-GF30
Materials (wetted parts)	stainless steel (1.4404 / 316L); PEEK; carbon fibre PEEK; FKM; Centellen
Process connection	G 3/4 DN20 flat seal

Displays / operating elements

Display	colour display 1,44", 128 x 128 pixels 2 x LED, yellow

Remarks	MW = measured value MEW = Final value of the measuring range
Pack quantity	1 pcs.

Electrical connection

Connection	Connector: 1 x M12; coding: A; Contacts: gold-plated

Diagrams and graphs

	Pressure loss / volumetric flow quantity

ifm electronic gmbh • Friedrichstraße 1 • 45128 Essen — We reserve the right to make technical alterations without prior notice. — EN-GB — SM7020-00 — 13.04.2023 —