LK3123 IFM

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Application
Media	liquid refrigerants, oils, oily media, Water, water-like media
Dielectric constant of medium	2
Do not use for	strong conductive media, sticky media, granulates, bulk solids, acids, alkalis, food industry and electroplating
Max. level change rate [mm/s]	200
Reservoir pressure [bar]	0.5, (when installed without mounting accessories: E43001 - E43007, E43019)
Coolants
Measured medium temperature [°C]	0…35, (with climate tube E43101: 35…60 °C)
Oil
Measured medium temperature [°C]	0…70
Short-term medium temperature [°C]	0…90, (< 1 h)
Water
Measured medium temperature [°C]	0…35, (with climate tube E43101: 35…60 °C)
Electronic data
Operating voltage [V]	18…30 DC
Current consumption [mA]	< 50
Protection class	III
Reverse polarity protection	yes
Power-on delay time [s]	< 3
Inputs/outputs
Col Number of inputs and outputs	Number of digital outputs: 1, Number of analog outputs: 1
Outputs
Total number of outputs	2
Output signal	switching signal, analogue signal, IO-Link
Electrical version	PNP/NPN
Number of digital outputs	1
Output function	normally open / normally closed, (parameterizable)
Max. voltage drop DC switching output [V]	2.5
DC switching output load current [mA]	200
Number of analog outputs	1
Analog current output [mA]	4…20, reversible
Maximum load [?]	500
Analog voltage output [V]	0…10, reversible
Min. load resistance [?]	2000
Short circuit protection	yes
Type of short-circuit protection	Temperature, synchronized
Overcurrent protection	yes
Measuring/setting range
Factory setting	liquid refrigerants, Water, water-like fluids
Probe length L [mm]	472
Active range A [mm]	390
Inactive area I1 / I2 [mm]	60 / 22
Parameter setting within
Switching point SP [mm]	35…390
Reset point rP [mm]	30…385
Hysteresis [mm]	5
Reference point OP [mm]	139 - 163 - 188 - 212 - 236 - 261 - 285 - 310 - 334 - 358 - 383 - 407 - OFF
Hysteresis, OP [mm]	3
Accuracy/Uncertainty
P measurement error [% of final value]	± 5
Repeatability	± 2
Resolution [mm]	5
Zero signal (voltage) [V]	0
Zero signal (current) [mA]	4.0
Full signal (voltage) [V ]	10
Total signal (current) [mA]	20
Software / Programming
Parameter selection	hysteresis / window, normally open / normally closed, switching logic, current output / voltage output, SP/rP position, OP setting, media selection, offset setting, turn on/off delay
Interfaces
Communication interface	IO-Link
Transmission method	COM2 (38.4 kBaud)
IO-Link test	1.1
SDCI standard	IEC 61131-9
IO-Link device ID	0x00028A
Profiles	Smart Sensor: Process Data Variable, Device Identification, Device Diagnosis
SIO Mode	yes
Desired port type	A
Analog operating data	2
Binary operating data	1
Minimum operating cycle time [ms]	3.2
Operating conditions
Ambient temperature [°C]	0…60
Storage temperature [°C]	-25…80
Degree of protection	IP 67
Tests / Approvals
EMC	< /tbody> DIN EN 61000-6-4 DIN EN 61000-6-2
Impact resistance	DIN EN 60068-2-29 15 g (11 ms)
Vibration resistance	< table>
DIN EN 60068-2-6	5 g (10…2000 Hz)

MTTF [years]194Mechanical dataWeight [g]442Dimensions [mm]O 16Materialstainless steel steel (1.4301/304), stainless steel steel (1.4404 / 316L), FKM, NBR, PBT (polybutylene terephthalate), PC, PA (polyamide), PP, TPV EnvironmentPPDisplays / ControlsDisplay< table>Indicator block/status2 x LED, green (cm, inch)Output status1 x LED, yellowMeasured valuesalphanumeric display, 4 digitsparameterizationalphanumeric display, 4 digitsNotesRecommendationsPlease see technical note under Downloads tabPacking quantity1 pieceElectrical connectionConnectionConnector: 1 x M12, Contacts: gold-plated