IFM LK1224 - Electronic level sensor LK0728B-B-00KUPKG/US/WHG

For the reliable level control in tanks and containers.
Suitable for water, oils and coolants.
Clearly visible 4-digit LED display.
When used as overflow prevention with approval according to the German Federal Water Act (WHG)

Number of inputs and outputs	Number of digital outputs: 2
Factory setting	hydrous coolants; water; media similar to water
Probe length L [mm]	728

Special feature	Gold-plated contacts
Media	hydrous coolants; oils; oil-based media; water; media similar to water
Dielectric constant of the medium	> 2
Cannot be used for	extremely conductive media; adhering media; granulates; bulk material; acids; alkali; hygienic areas and electroplating applications
Maximum speed of the change of level [mm/s]	300
Tank pressure [bar]	0.5;(unpressurized for applications to WHG (German Federal Water Act))

Medium temperature [°C]	0...35;(with climatic tube E43102: 35...55 °C; not for applications to WHG (German Federal Water Act))

Medium temperature [°C]	0...70
Medium temperature short time [°C]	0...90;(< 1 h)

Medium temperature [°C]	0...35;(with climatic tube E43102: 35...55 °C; not for applications to WHG (German Federal Water Act))

Operating voltage [V]	12...30 DC
Current consumption [mA]	< 50
Protection class	III
Reverse polarity protection	yes
Power-on delay time [s]	< 3

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
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

Factory setting	hydrous coolants; water; media similar to water
Probe length L [mm]	728
Active range A [mm]	585
Inactive range I1 / I2 [mm]	104 / 39

Set point SP [mm]	60...590
Reset point rP [mm]	50...580
In steps of [mm]	10
Reference point OP [mm]	200 - 240 - 280 - 310 - 350 - 390 - 420 - 460 - 500 - 530 - 570 - 610 - OFF
Hysteresis, OP [mm]	4

Accuracy / deviations

Measuring error [% of the final value]	± 5
Repeatability	± 2
Resolution [mm]	5

Software / programming

Parameter setting options	hysteresis / window; normally open / normally closed; switching logic; SP/rP position; adjustment OP; medium selection; offset setting; switch-on/switch-off delay

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 804

Operating conditions

Ambient temperature [°C]	0...60
Storage temperature [°C]	-25...80
Protection	IP 67

Tests / approvals

Approval	WHG; General building authority approval; overflow prevention
EMC	DIN EN 61000-6-2 DIN EN 61000-6-4
Shock resistance	DIN EN 60068-2-27 15 g (11 ms)
Vibration resistance	DIN EN 60068-2-6 5 g (10...2000 Hz)
MTTF [years]	266

Weight [g]	520.8
Dimensions [mm]	Ø 16
Materials	stainless steel (1.4301 / 304); stainless steel (1.4404 / 316L); FKM; NBR; PBT; PC; PA; PP; TPV
Materials (wetted parts)	PP

Displays / operating elements

Display	Display unit 2 x LED, green (cm, inch) switching status 2 x LED, yellow measured values alphanumeric display, 4-digit parameter setting alphanumeric display, 4-digit

Pack quantity	1 pcs.

Electrical connection

Connection	Connector: 1 x M12; coding: A; Contacts: gold-plated

ifm electronic gmbh • Friedrichstraße 1 • 45128 Essen — We reserve the right to make technical alterations without prior notice. — EN-GB — LK1224-01 — 06.12.2023 —