IFM LMT194 - Level sensor for limit detection with overspill protection (German Federal Water Act) LMDCE-A12E-QPKG-2/US

For the reliable level control in tanks and containers.
Hygienic design for the requirements of the food and beverage industry.
Use in liquid and viscous media and bulk materials.
Differentiation of media by parameterisation of the switching outputs.
Reliable suppression of deposits or foam

Number of inputs and outputs	Number of digital outputs: 2
Factory setting	hydrous media
Process connection	threaded connection G 1/2 sealing cone

Special feature	Gold-plated contacts
Media	Liquids
Recommended media	water; hydrous media; oils; oil-based media
Cannot be used for	See the operating instructions, chapter "Function and features".
Probe length [mm]	153
Tank pressure [bar]	-1...40;(applications subject to the German Federal Water Act : -0,5...10 bar)

Medium temperature [°C]	-25...100;(applications subject to the German Federal Water Act0...100 °C)
Medium temperature short time [°C]	-25...150;(1 h; applications subject to the German Federal Water Act : 0...100 °C)

Medium temperature [°C]	-25...85;(applications subject to the German Federal Water Act : 0...85 °C)
Medium temperature short time [°C]	-25...150;(1 h; applications subject to the German Federal Water Act : 0...100 °C)

Operating voltage [V]	18...30 DC
Current consumption [mA]	< 50
Protection class	III
Reverse polarity protection	yes
Measuring principle	capacitive

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
Number of digital outputs	2
Max. voltage drop switching output DC [V]	2.5
Permanent current rating of switching output DC [mA]	100
Short-circuit protection	yes
Type of short-circuit protection	pulsed
Overload protection	yes

Measuring/setting range

Factory setting	hydrous media

Response times

Response time [s]	< 0.5

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
SIO mode	yes
Required master port type	A
Process data analogue	1
Process data binary	2
Min. process cycle time [ms]	2.3
Supported DeviceIDs	Type of operation DeviceID default 449

Operating conditions

Ambient temperature [°C]	-20...85
Note on ambient temperature	Medium temperature 100...150 °C -40...60 °C
Storage temperature [°C]	-40...85
Protection	IP 68; IP 69K

Tests / approvals

Approval	WHG; General building authority approval; overflow prevention
EMC	DIN EN 61000-6-2 DIN EN 61000-6-4 open tanks
Shock resistance	DIN EN 60068-2-27 50 g (11 ms)
Vibration resistance	DIN EN 60068-2-6 20 g (10...2000 Hz)
MTTF [years]	222.21
UL approval	UL Approval no. H001

Weight [g]	329
Materials	stainless steel (1.4404 / 316L); stainless steel (1.4571/316Ti ); PEEK; PEI; FKM
Materials (wetted parts)	stainless steel (1.4404 / 316L); stainless steel (1.4571/316Ti ); PEEK; surface characteristics: Ra < 0,8 / Rz 4; FKM
Process connection	threaded connection G 1/2 sealing cone

Displays / operating elements

Display	switching status LED, yellow operating status LED, green

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 — LMT194-00 — 11.02.2015 —