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IFM LW2720 continuous level sensor (non-contact, radar)

1290.48

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SKU: LW2720 Categories: , , Brand:

NON-CONTACT LEVEL TRANSMITTER

  • 80 GHz frequency enables level measurement with millimetre precision of up to 10 metres
  • Non-contact measuring principle: no malfunctions due to deposits or wear
Contact Sales
Delivery time 3–10 business days. Express available.
Returns 14 days return. New condition only.
Shipping EU, USA, worldwide.
DHL, DPD, UPS.

Datasheet

Product characteristics
Number of inputs and outputs Number of digital outputs: 1; Number of analogue outputs: 1
Process connection G 1 Aseptoflex Vario
Application
Special feature Gold-plated contacts
Dielectric constant of the medium ≥ 2
Recommended media water; hydrous media
Medium temperature [°C] -40…150; (see diagram:)
Maximum speed of the change of level [mm/s] 200
Pressure rating [bar] 8
Note on pressure rating
0 bar at medium temperature < - 20 C
Vacuum resistance [mbar] -1000
MAWP (for applications according to CRN) [bar] 8
Radio approval for South Korea; Vereinigtes Königreich; EU/RED; Australia; USA; Canada; New Zealand
Note on radio approval
The list of countries applying the European Radio Equipment Directive 2014/53/EU (RED) can be found under “Downloads”.
Electrical data
Operating voltage [V] 18…30 DC
Current consumption [mA] < 80
Protection class III
Reverse polarity protection yes
Power-on delay time [s] < 15
Measuring principle FMCW (80 GHz technology); frequency range 77 – 81 Hz
Inputs / outputs
Number of inputs and outputs Number of digital outputs: 1; Number of analogue outputs: 1
Outputs
Total number of outputs 2
Output signal switching signal; analogue signal; IO-Link
Electrical design PNP/NPN
Number of digital outputs 1; (2 parameterisable)
Output function normally open / normally closed; (parameterisable)
Max. voltage drop switching output DC [V] 2.5
Permanent current rating of switching output DC [mA] 50
Number of analogue outputs 1
Analogue current output [mA] 4…20, invertible; (scalable)
Max. load [Ω] 43,5 * (Ub – 18) + 600 Ω
Short-circuit protection yes
Type of short-circuit protection pulsed
Overload protection yes
Measuring/setting range
Measuring range [m] 10; (see diagram:)
Sampling rate [Hz] > 3
Accuracy / deviations
Accuracy
± 2 mm
Resolution [mm] 1
Zero signal (current) [mA] 3.8
Full signal (current) [mA] 20.5
Temperature drift per 10 K ± 1 mm
Response times
Response time [ms] 330
Interfaces
Communication interface IO-Link
Transmission type COM2 (38,4 kBaud)
IO-Link revision 1.1
SDCI standard IEC 61131-9
Profiles Smart Sensor ED2: SSCs (0x8001), Measuring Sensor (0x000A)
SIO mode yes
Required master port type A
Process data analogue 1
Process data binary 2
Min. process cycle time [ms] 6
Supported DeviceIDs
Type of operation DeviceID
Default 0x00052C
Operating conditions
Ambient temperature [°C] -40…80
Note on ambient temperature
see diagram:
Storage temperature [°C] -40…90
Protection IP 68; IP 69K
Tests / approvals
EMC
DIN EN 61326-1 group 1: Class A (IO-Link active); B (IO-Link not active, with analogue and switching outputs)
Shock resistance
DIN EN 60068-2-27 50 g (11 ms) / 20 g (6 ms)
Vibration resistance
IEC 61298-3 2 g (10…1000 Hz)
MTTF [years] 330
Mechanical data
Weight [g] 727.15
Materials stainless steel (1.4404 / 316L); PA; FKM; FVMQ
Materials (wetted parts) PTFE; EPDM
Process connection G 1 Aseptoflex Vario
Surface characteristics Ra/Rz of the wetted parts < 0.76
Remarks
Notes An IO-Link master and a parameter setting software (e.g. moneo or LR DEVICE) are required for initial set-up.
Pack quantity 1 pcs.
Electrical connection
Connection Connector: 1 x M12; coding: A; Contacts: gold-plated
Diagrams and graphs

Angle of radiation (α): 10°
distance (D) 2 m – Beam width (W) 0.4 m
distance (D) 4 m – Beam width (W) 0.7 m
distance (D) 6 m – Beam width (W) 1.1 m
distance (D) 8 m – Beam width (W) 1.4 m
distance (D) 10 m – Beam width (W) 1.8 m

X process temperature °C
Y Ambient temperature °C

1 Adapter example E33208
A accuracy
B distance

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