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IFM LR7320 Continuous level sensor (guided wave radar)

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SKU: LR7320 Categories: , , Tag:

LR0000–BN34AQPKG/US

  • For the reliable level control in tanks and containers
  • Suitable for water and water-based media
  • Modular system consisting of evaluation unit and probe
  • Adaptation
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Datasheet

Product characteristics
Number of inputs and outputs Number of digital outputs: 2
Probe length L [mm] 100…2000
Process connection 3/4″ NPT
Application
Special feature Gold-plated contacts
Media Liquids
Dielectric constant of the medium > 5
Recommended media water; hydrous media
Process temperature [°C] -25…80; (90 < 1 h ; see note under remarks)
Pressure rating [bar] 16
Vacuum resistance [mbar] -1000
Electrical data
Operating voltage [V] 18…30 DC
Current consumption [mA] < 25
Protection class III
Reverse polarity protection yes
Power-on delay time [s] < 3
Measuring principle guided wave radar
Inputs / outputs
Number of inputs and outputs Number of digital outputs: 2
Outputs
Total number of outputs 2
Output signal switching signal; IO-Link
Electrical design PNP/NPN
Number of digital outputs 2
Output function normally open / normally closed; (parameterisable)
Max. voltage drop switching output DC [V] 2.5
Permanent current rating of switching output DC [mA] 200
Short-circuit protection yes
Type of short-circuit protection pulsed
Overload protection yes
Measuring/setting range
Probe length L [mm] 100…2000
Active range A [mm] L-40
Inactive range I1 / I2 [mm] 30 / 10
Sampling rate [Hz] 4
Setting range
Set point SP [mm] ≥ 15…L-30
Reset point rP [mm] ≥ 10…L-35
In steps of [mm] 5
Hysteresis [mm] > 5
Accuracy / deviations
Repeatability [mm] 5
Measuring error [mm] ± 7
Offset error [mm] 5
Resolution [mm] 1
Temperature drift per 10 K ± 0.2 %
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] 3.2
Supported DeviceIDs
Type of operation DeviceID
Default 979
Operating conditions
Ambient temperature [°C] -25…60
Storage temperature [°C] -40…85
Protection IP 68; IP 69K; (7 days / 1 m water depth / 0.1 bar: IP 68)
Tests / approvals
EMC
DIN EN 61000-6-2
DIN EN 61000-6-3 : in a closed metal tank
DIN EN 61000-6-4 : in plastic or open metal tanks
Shock resistance
DIN EN 60068-2-27 50 g (11 ms) / 25 g (6 ms) with reference rod 0.5 m
Vibration resistance
DIN EN 60068-2-6 5 g (10…2000 Hz) / 1 g (5…200 Hz) with reference rod 0.5 m
MTTF [years] 286
UL approval
UL Approval no. H010
File number UL E174191
Mechanical data
Weight [g] 441.7
Materials stainless steel (1.4301 / 304); stainless steel (1.4404 / 316L); FKM; PEI
Materials (wetted parts) stainless steel (1.4305 / 303); probe connection: stainless steel (1.4435 / 316L); PTFE; FKM
Process connection 3/4″ NPT
Remarks
Notes For high process temperatures: The temperature at the process connection is decisive. The actual medium temperature may be higher.
Pack quantity 1 pcs.
Electrical connection – plug
Connection Connector: 1 x M12; coding: A; Contacts: gold-plated
Diagrams and graphs

Measurement deviation D at the limits of the active rod range

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