IFM LR7320 - Continuous level sensor (guided wave radar) 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 to different container heights through shortening of the probe

Number of inputs and outputs	Number of digital outputs: 2
Probe length L [mm]	100...2000
Process connection	threaded connection 3/4" NPT external thread

Special feature	Gold-plated contacts
Application	for industrial applications
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

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

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

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	threaded connection 3/4" NPT external thread

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

ifm electronic gmbh • Friedrichstraße 1 • 45128 Essen — We reserve the right to make technical alterations without prior notice. — EN-GB — LR7320-01 — 09.01.2024 —