IFM SD1540

MPN
SD1540
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What is the IFM SD1540?

Precise measurement of flow, consumption, pressure and medium temperature

High accuracy, repeatability and measurement dynamics

For detecting compressed air in industrial use

With switching output, analogue output and pulse output

Adjustable to inside pipe diameters

Convenient operation via buttons or parameter setting via IO-Link

Specifications

Product characteristics

Number of inputs and outputsNumber of digital outputs: 2; Number of analogue outputs: 1
Measuring range0.6...143.9 m/s; 0.3...26260 m³/h; 0.005...437.6 m³/min
0.6...143.9 m/s0.3...26260 m³/h
Process connectionthreaded connection G 1 internal thread

Application

Applicationfor industrial applications
InstallationAdjustable to inside pipe diameters; ( 14...254 mm)
Mediacompressed air
Medium temperature[°C] [°C]-10...60
Min. burst pressure64 bar; 6.4 MPa
64 bar6.4 MPa
Pressure rating16 bar; 1.6 MPa
16 bar1.6 MPa
MAWP for applications according to CRN[bar] [bar]10

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]1

Inputs / outputs

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

Inputs

Inputscounter reset

Outputs

Output signalswitching signal; analogue signal; pulse signal; IO-Link; (configurable)
Electrical designPNP/NPN
Number of digital outputs2
Output functionnormally open / normally closed; (parameterisable)
Max. voltage drop switching output DC[V] [V]2.5
Permanent current rating of switching output DC[mA] [mA]150; (per output)
Number of analogue outputs1
Analogue current output[mA] [mA]4...20; (scalable)
Max. load[Ω] [Ω]500
Pulse outputconsumed quantity meter
Short-circuit protectionyes
Type of short-circuit protectionpulsed
Overload protectionyes

Measuring/setting range

Measuring range-10...60 °C; 14...140 °F
0.6...143.9 m/s0.3...26260 m³/h
Display range-24...74 °C; -11.2...165.2 °F
0...172.7 m/s0...31520 m³/h
Resolution0.2 °C; 0.5 °F
0.1 m/s0.01 m³/h
Set point SP-9.7...60 °C; 14.6...140 °F
1.4...143.9 m/s0.8...26260 m³/h
Reset point rP-10...59.7 °C; 14...139.4 °F
0.7...143.2 m/s0.4...26140 m³/h
Analogue start point ASP0...115.1 m/s; 0...21000 m³/h; 0...350 m³/min
0...115.1 m/s0...21000 m³/h
Analogue end point AEP28.8...143.9 m/s; 422...26260 m³/h; 7.04...437.6 m³/min
28.8...143.9 m/s422...26260 m³/h
Low flow cut-off LFC0.2...1.4 m/s; 0.1...260 m³/h; 0.002...4.4 m³/min
0.2...1.4 m/s0.1...260 m³/h
In steps of0.1 °C; 0.1 °F
Measuring range[bar] [bar]-1...16
Display range[bar] [bar]-1...20
Resolution[bar] [bar]0.05
Set point SP[bar] [bar]-0.92...16
Reset point rP[bar] [bar]-1...15.92
Analogue start point[bar] [bar]-1...12.8
Analogue end point[bar] [bar]2.2...16
In steps of[bar] [bar]0.01
0...1000000000 m³0...35314666721 scf
0.01...100000000 m³0.35...3531466672.1 scf
Pulse value0.01...100000000 m³; 0.35...3531466672.1 scf
0.001 m³0.05 scf
Pulse length[s] [s]0.001...2
-10...60 °C14...140 °F
-24...74 °C-11.2...165.2 °F
0.2 °C0.5 °F
-9.7...60 °C14.6...140 °F
-10...59.7 °C14...139.4 °F
Analogue start point-10...46 °C; 14...114.8 °F
-10...46 °C14...114.8 °F
Analogue end point4...60 °C; 39.2...140 °F
4...60 °C39.2...140 °F
0.1 °C0.1 °F

Accuracy / deviations

Temperature coefficient[1/K] [1/K]± 0,07 % MW
Accuracy (in the measuring range)± (6 % MW + 0,6 % MEW); (reference conditions: diA = 73 mm; inlet pipe length >= 3 m; outlet pipe length >= 0,5 m; reference temperature: 20...25 °C; standard volume flow: 50...850 Nm³/h)
Repeatability± 1,5 % MW
Repeatability[% of the final value] [% of the final value]± 0,2
Characteristics deviation[% of the final value] [% of the final value]< ± 0,5; (BFSL = Best Fit Straight Line)
Greatest TEMPCO of the span[% MEW / 10 K] [% MEW / 10 K]± 0,3
Greatest TEMPCO of the zero point[% MEW / 10 K] [% MEW / 10 K]± 0,1
Accuracy[K] [K]± 0,5; (medium flow in the limit area of the flow measurement range)

Response times

Response time[s] [s]0.05
Damping process value dAP[s] [s]0...5
Dynamic response T05 / T09[s] [s]T09 = 0,5

Software / programming

Parameter setting optionshysteresis / window; normally open / normally closed; current/pulse output; display can be rotated and switched off; Display unit; totaliser

Interfaces

Communication interfaceIO-Link
Transmission typeCOM2 (38,4 kBaud)
IO-Link revision1.1
SDCI standardIEC 61131-9 CDV
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 analogue8
Process data binary2
Min. process cycle time[ms] [ms]8
Supported DeviceIDsdefault; 872
default872

Operating conditions

Ambient temperature[°C] [°C]0...60
Storage temperature[°C] [°C]-20...85
Max. relative air humidity[%] [%]90
ProtectionIP 65; IP 67

Tests / approvals

EMCDIN EN 60947-5-9
CPA approvalmodel number; -; accuracy class; -; maximum allowable error; ± 7 % FS; Q (min); 0,3 m³/h; Q (t); -; Q (max); 26260 m³/h
model number-
accuracy class-
maximum allowable error± 7 % FS
Q (min)0,3 m³/h
Q (t)-
Q (max)26260 m³/h
Vibration resistanceDIN EN 68000-2-6; 5 g (10...2000 Hz)
DIN EN 68000-2-65 g (10...2000 Hz)
MTTF[years] [years]167
UL approvalUL approval no.; I013; File number UL; E174189
UL approval no.I013
File number ULE174189

Mechanical data

Weight[g] [g]408.3
Housingrectangular
Dimensions[mm] [mm]85.1 x 45.8 x 100.3
MaterialsPBT+PC-GF30; PPS GF40; stainless steel (304/1.4301); stainless steel (303/1.4305); stainless steel (316L/1.4404); FKM
Materials (wetted parts)stainless steel (304/1.4301); stainless steel (316L/1.4404); FKM; ceramics glass passivated; PPS GF40; Al2O3 (ceramics); acrylate
Process connectionthreaded connection G 1 internal thread

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; D = inside pipe diameter; Measuring, display and setting ranges refer to the standard volume flow according to DIN ISO 2533.; For information about installation and operation please see the operating instructions.
Pack quantity1 pcs.

Electrical connection

Connector1 x M12; coding: A

SD1540: frequently asked questions

When can SD1540 be shipped?

SD1540 is sourced on request — request a quote and we'll confirm the exact availability and shipping timeline for this specific unit.

Can I pick up SD1540 in person?

Local pickup from our Groningen, Netherlands warehouse may be possible — contact us before ordering to check availability and arrange a collection time.

Is express delivery available?

Yes — mention it when you request a quote for SD1540 and we'll include express shipping options in our reply.

My factory is down and I need this urgently — can you help?

For a critical breakdown, contact us directly at +31 (0)50-7110348 or sales@partnerplc.com — we can look into same-day courier or dedicated taxi/hotshot delivery for SD1540, subject to availability and destination.

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IFM SD1540Price and lead time confirmed within 1 business day
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