LK3122

Description

Product characteristics

Number of inputs and outputs	Number of digital outputs: 1; Number of analogue outputs: 1
Factory setting	hydrous coolants; water; media similar to water
Probe length L [mm]	264

Application

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; food and electroplating industry
Maximum speed of the change of level [mm/s]	100
Tank pressure [bar]	0.5; (when mounting with mounting accessories: E43001 – E43007, E43019)

Coolants

Medium temperature [°C]	0…35; (with climatic tube E43100: 35…65 °C)

Oil

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

Water

Medium temperature [°C]	0…35; (with climatic tube E43100: 35…65 °C)

Electrical data

Operating voltage [V]	18…30 DC
Current consumption [mA]	< 50
Protection class	III
Reverse polarity protection	yes
Power-on delay time [s]	< 3
Measuring principle	capacitive

Inputs / outputs

Number of inputs and outputs	Number of digital outputs: 1; Number of analogue outputs: 1

Outputs

Total number of outputs	2
Output signal	switching signal; analogue signal; IO-Link
Electrical design	PNP/NPN
Number of digital outputs	1
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
Number of analogue outputs	1
Analogue current output [mA]	4…20, invertible
Max. load [Ω]	500
Analogue voltage output [V]	0…10, invertible
Min. load resistance [Ω]	2000
Short-circuit protection	yes
Type of short-circuit protection	thermal, pulsed
Overload protection	yes

Measuring/setting range

Factory setting	hydrous coolants; water; media similar to water
Probe length L [mm]	264
Active range A [mm]	195
Inactive range I1 / I2 [mm]	53 / 16

Setting range

Set point SP [mm]	25…200
Reset point rP [mm]	20…195
In steps of [mm]	5
Reference point OP [mm]	69 – 82 – 94 – 106 – 118 – 130 – 143 – 155 – 167 – 179 – 191 – 204 – OFF
Hysteresis, OP [mm]	2

Accuracy / deviations

Measuring error [% of the final value]	± 5
Repeatability	± 2
Resolution [mm]	5
Zero signal (voltage) [V]	0
Zero signal (current) [mA]	4.0
Full signal (voltage) [V]	10
Full signal (current) [mA]	20

Software / programming

Parameter setting options	hysteresis / window; normally open / normally closed; switching logic; current/voltage output; 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

Process data analogue

Process data binary

Min. process cycle time [ms]

3.2

Supported DeviceIDs

Type of operation	DeviceID
Default	649

Operating conditions

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

Tests / approvals

EMC

DIN EN 61000-6-4
DIN EN 61000-6-2

Shock resistance

DIN EN 60068-2-29

15 g (11 ms)

Vibration resistance

DIN EN 60068-2-6

5 g (10…2000 Hz)

MTTF [years]

224

Mechanical data

Weight [g]	289.85
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 / status	2 x LED, green (cm, inch)
switching status	1 x LED, yellow
measured values	alphanumeric display, 4-digit
parameter setting	alphanumeric display, 4-digit