IFM SM7400
IFM SM7400
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IFM SM7500
IFM SM7500
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IFM SM7420
IFM SM7420 - Image 2
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IFM SM7420

SM7420

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Description

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
Convenient operation via buttons or parameter setting via IO-Link

Specification

Product characteristics

Number of inputs and outputsNumber of digital outputs: 2; Number of analogue outputs: 1
Measuring range0.1...75 l/min
0.006...4.5 m³/h
1.2...1190 gph
0.02...19.82 gpm
0.1...75 l/min0.006...4.5 m³/h
Process connectionthreaded connection Rc 3/4 internal thread DN20

Application

Special featureGold-plated contacts
Mediaconductive liquids; water; hydrous media
Note on mediaconductivity: ≥ 20 µS/cm
viscosity: < 70 mm²/s (40 °C)
Medium temperature[°C] [°C]-20...90
Pressure rating16 bar
1.6 MPa
16 bar1.6 MPa

Electrical data

Operating voltage[V] [V]18...30 DC; (to SELV/PELV)
Current consumption[mA] [mA]< 80
Protection classIII
Reverse polarity protectionyes
Power-on delay time[s] [s]5
Measuring principlemagnetic-inductive

Inputs / outputs

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

Inputs

Inputscounter reset

Outputs

Total number of outputs2
Output signalswitching signal; analogue signal; pulse signal; IO-Link; frequency signal; (configurable)
Electrical designPNP/NPN
Number of digital outputs2
Output functionnormally open / normally closed; (parameterisable)
Max. voltage drop switching output DC[V] [V]2
Permanent current rating of switching output DC[mA] [mA]100
Number of analogue outputs1
Analogue current output[mA] [mA]4...20; (scalable)
Max. load[Ω] [Ω]500
Pulse outputflow rate meter
Short-circuit protectionyes
Type of short-circuit protectionpulsed
Overload protectionyes

Measuring/setting range

Measuring range0.1...75 l/min
0.006...4.5 m³/h
1.2...1190 gph
0.02...19.82 gpm
0.1...75 l/min0.006...4.5 m³/h
Display range-90...90 l/min
-5.4...5.4 m³/h
-1426.8...1426.8 gph
-23.78...23.78 gpm
-90...90 l/min-5.4...5.4 m³/h
Resolution0.1 l/min
0.006 m³/h
0.6 gph
0.01 gpm
0.1 l/min0.006 m³/h
Set point SP0.5...75 l/min
0.03...4.5 m³/h
8.4...1189 gph
0.14...19.81 gpm
0.5...75 l/min0.03...4.5 m³/h
Reset point rP0.1...74.6 l/min
0.006...4.48 m³/h
1.2...1183 gph
0.03...19.71 gpm
0.1...74.6 l/min0.006...4.48 m³/h
Analogue start point ASP0...59.9 l/min
0...3.6 m³/h
0...950 gph
0...15.82 gpm
0...59.9 l/min0...3.6 m³/h
Analogue end point AEP15.1...75 l/min
0.9...4.5 m³/h
240...1189 gph
3.99...19.81 gpm
15.1...75 l/min0.9...4.5 m³/h
Low flow cut-off LFC0.1...3.8 l/min
0.006...0.23 m³/h
1.8...59.4 gph
0.03...0.99 gpm
0.1...3.8 l/min0.006...0.23 m³/h
Frequency end point, FEP15.1...75 l/min
0.9...4.5 m³/h
240...1189 gph
3.99...19.81 gpm
Frequency at the end point FRP[Hz] [Hz]1...10000
Pulse length[s] [s]0.003...2
Pulse value0.01...99990000 I
Measuring range[°C] [°C]-20...90
Display range[°C] [°C]-42...112
Resolution[°C] [°C]0.1
Set point SP[°C] [°C]-19.6...90
Reset point rP[°C] [°C]-20...89.6
Analogue start point[°C] [°C]-20...68
Analogue end point[°C] [°C]2...90
In steps of[°C] [°C]0.1

Accuracy / deviations

Accuracy (in the measuring range)± (0,8 % MW + 0,2 % MEW)
Repeatability± 0,2 % MEW
Accuracy[K] [K]± 2,5 (Q > 5 % MEW)

Response times

Start-up delay[s] [s]0...50
Response time[s] [s]15; (Q > 10 % MEW, T09)
Damping process value dAP[s] [s]0...5

Software / programming

Parameter setting optionshysteresis / window; normally open / normally closed; switching logic; frequency output; current/pulse output; start-up delay; display can be deactivated; Display unit

Interfaces

Communication interfaceIO-Link
Transmission typeCOM2 (38,4 kBaud)
IO-Link revision1.1
SDCI standardIEC 61131-9
ProfilesCommon - I&D
Identification and Diagnosis
Function
Measurement data, standard resolution
Common - I&DIdentification and Diagnosis
FunctionMeasurement data, standard resolution
SIO modeyes
Required master port typeA
Process data analogue3
Process data binary2
Min. process cycle time[ms] [ms]8
Supported DeviceIDsdefault
960
default960

Operating conditions

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

Tests / approvals

EMCDIN EN 60947-5-9
CPA approvalmodel number
006MI
accuracy class
-
maximum allowable error
± 1,0 % FS
Q (min)
0,006 m³/h
Q (t)
-
Q (max)
4,5 m³/h
model number006MI
accuracy class-
maximum allowable error± 1,0 % FS
Q (min)0,006 m³/h
Q (t)-
Q (max)4,5 m³/h
Shock resistanceDIN IEC 68-2-27
20 g (11 ms)
DIN IEC 68-2-2720 g (11 ms)
Vibration resistanceDIN IEC 68-2-6:
5 g (10...2000 Hz)
DIN IEC 68-2-6:5 g (10...2000 Hz)
MTTF[years] [years]114
UL approvalUL approval no.
I014
File number UL
E174189
UL approval no.I014
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]848.7
Housingrectangular
Dimensions[mm] [mm]110 x 48 x 73
Materialsstainless steel (316/1.4408); stainless steel (316L/1.4404); PC; PBT+PC-GF30
Materials (wetted parts)stainless steel (316L/1.4404); PEEK; carbon fibre PEEK; FKM
Process connectionthreaded connection Rc 3/4 internal thread DN20

Displays / operating elements

Displaycolour display 1,44", 128 x 128 pixels
2 x LED, yellow

Remarks

RemarksMW = measured value
MEW = Final value of the measuring range
Pack quantity1 pcs.

Electrical connection

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

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