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4 Functions and features

The unit continuously detects the level of liquids in tanks and generates output

signals according to the parameter settings�4 switching outputs are available:
• 3 freely programmable switching outputs (NC / NO)
• 1 switching output for overflow prevention according to WHG* (NC)

* Building authority approval according to the German Federal Water Act (WHG)�

If the unit is used as overflow prevention with building authority approval

according to the German Federal Water Act (WHG), please observe the

corresponding chapter (= Technical description) of the documentation!

4.1 Operation with coaxial probe

Only operate the device with coaxial probe! Operation with single probe is

not supported by this unit version�

The coaxial probe is made up of an inner probe and an outer probe pipe (coaxial

pipe)� The probe is centred in the coaxial pipe by one or several spacers�

When using a coaxial probe, media with a low dielectric constant

(e�g� oil and oil-based media) are detected in addition to aqueous media�

Furthermore, no lateral minimum distances to tank walls and objects in the

tank are required

(→ 6 Installation)

4.2 Applications

•  Water, water-based media
•  Oils, oil-based media
•  Medium temperature 0…80 °C
•  Tank pressures: -0�5��4 bar
Application examples:
•  Detection of power steering oil
•  Monitoring of brake fluid
•  Detection of water-glycol mixtures
•  Monitoring of hydraulic oil in a hydraulic power unit

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Содержание LR8010

Страница 1: ...Operating instructions Electronic level sensor LR8010 80290527 00 02 2020 UK ...

Страница 2: ... 5 2 6 Safe state 11 5 2 7 IO Link function 12 5 3 Password protection against inadvertent manipulation 12 6 Installation 12 6 1 Installation location environment 12 6 1 1 Coaxial probe 13 6 2 Probe installation 13 6 2 1 Attaching the probe 13 6 2 2 Installation of the coaxial pipe 14 6 3 Shortening of the probe 15 6 3 1 How to shorten the probe and to determine its length 15 6 3 2 Shortening of t...

Страница 3: ... 3 Set the switching limits window function 25 10 5 4 Setting of the switch off delay 26 10 5 5 Response of the outputs in case of a fault 26 10 5 6 Setting of the delay time after signal loss 26 10 5 7 Reset all parameters to factory setting 26 10 5 8 Enter probe length 26 10 5 9 Adjustment to the medium to be detected 27 10 6 Changing the password 27 10 7 Enter password KEy C 27 11 Operation 28 ...

Страница 4: ...ordance with legal and normative requirements to be provided to the operator and user of the system This documentation must contain all necessary information and safety instructions for the operator the user and if applicable for any service personnel authorised by the architect of the system Read this document before setting up the product and keep it during the entire service life The product mu...

Страница 5: ...rence occurs the user must take appropriate actions The surface of the unit may get hot if the switching outputs are overloaded There is a risk of burns However only overload will cause hot surfaces 3 Items supplied Level sensor LR8010 with integrated overflow prevention according to WHG Operating instructions In addition the following is necessary for installation and operation 1 probe 1 coaxial ...

Страница 6: ...coaxial probe Only operate the device with coaxial probe Operation with single probe is not supported by this unit version The coaxial probe is made up of an inner probe and an outer probe pipe coaxial pipe The probe is centred in the coaxial pipe by one or several spacers When using a coaxial probe media with a low dielectric constant e g oil and oil based media are detected in addition to aqueou...

Страница 7: ... case of signal loss the unit displays E 033 and switches the outputs to a defined state 5 2 6 Safe state Only operate the device with coaxial probe Operation with single probe is not supported by this unit version Use for fluids only Make sure that the coaxial probe will not be blocked or clogged e g with solid particles or media that tend to deposit Maximum viscosity 500 mPa s If the unit is to ...

Страница 8: ... The reference for distance measurement is the lower edge of the process connection By using a coaxial probe the guided wave runs only along the inside of the coaxial pipe This allows installation where space is very restricted 6 Installation 5 2 Features of the unit 5 2 1 Easy set up When operating voltage is applied to the unit for the first time the probe length and the medium to be detected mu...

Страница 9: ...y type is changed The set unit of measurement and the switching status of the outputs are indicated by LEDs 5 2 3 Switching functions The unit signals via 4 switching outputs OUT1 OUT3 and OUT OP that a set limit level has been reached or that the level is below the limit value The output OUT OP OP overflow prevention functions as integrated overflow prevention For safety reasons it is fixed to NC...

Страница 10: ... 60 s can be set e g for especially long pump cycles 5 2 4 Offset for indicating the real level in the tank The zone between tank bottom and lower edge of the probe can be entered as offset value OFS So display and switch points refer to the actual level For OFS 0 The reference point is the lower edge of the measuring probe The set offset only refers to the display on the unit It has no effect on ...

Страница 11: ...utputs OUT1 OUT3 can be set via the parameters FOU1 FOU3 10 5 5 Response of the outputs in case of a fault The response of the output OUT OP overflow prevention is fixed it opens in case of a fault Temporary loss of signal caused e g by turbulence or foam formation can be suppressed for OUT1 OUT3 by using a delay time 10 5 6 Setting of the delay time after signal loss During the delay time the las...

Страница 12: ...nformation about process data structure diagnostic information parameter addresses and the necessary information about the required IO Link hardware and software can be found at www ifm com 5 3 Password protection against inadvertent manipulation As an option the sensor can be protected by a password against inadvertent manipulation and unauthorised changes Password on delivery Not activated For a...

Страница 13: ...ion Probe and coaxial pipe are not included in the scope of delivery They must be ordered separately Available accessories www ifm com 6 2 1 Attaching the probe Fixing of the probe Screw the probe to the unit and tighten Recommended tightening torque 4 Nm For ease of installation and removal the probe connection can be rotated without restriction Even if rotated several times there is no risk of d...

Страница 14: ... to the unit and tighten it Recommended tightening torque 4 Nm Slide the sensor seal A onto the thread Slide the coaxial pipe B onto the probe Carefully centre it and carefully move the probe through the centring piece C for lengths 140 cm through both centring pieces of the coaxial pipe Do not damage the centring pieces Screw onto the sensor thread and tighten A C B 32 32 Secure the screw connect...

Страница 15: ... does not support probe lengths below 10 cm If shorter probes are used measurement errors can occur Screw the probe to the unit Mark the desired length L on the probe The reference point is the lower edge of the process connection Remove the probe from the unit Shorten the probe at the mark Remove all burrs and sharp edges Screw the probe to the unit again and tighten it Recommended tightening tor...

Страница 16: ...ng piece A at the lower end of the pipe and attach it using the fixing bracket B at the lower hole C A B C LK length of the coaxial pipe L length of the probe from the lower edge of the process connection 6 3 1 6 3 3 Determination of the probe length L if the coaxial probe is mounted Only relevant if the probe length L 6 3 1 is unknown Measure the exact total length LK of the coaxial pipe Fig 6 1 ...

Страница 17: ...ghten it Secure the screw connection between the coaxial pipe and the tank For this purpose the manufacturer recommends Loctite 270 Substances such as glue or screw retaining compounds might migrate into the medium Therefore make sure that they are harmless 6 5 Alignment of the sensor housing After installation the sensor housing can be aligned The sensor housing can be rotated without restriction...

Страница 18: ...sockets for sockets according to DIN 47100 1 L brown white 2 OUT2 switching output 2 white brown 3 L blue green 4 OUT1 IO Link switching output 1 black yellow 5 OUT3 switching output 3 grey grey 6 OUT OP switching output for overflow prevention pink pink 7 not used violet blue Sockets and 8 pole connectors to 4 pole connectors are available as accessories Available accessories www ifm com When ope...

Страница 19: ...ED on no overflow LED off tank is full LED 6 yellow Output 3 is switched LED 7 yellow Output 2 is switched LED 8 yellow Output 1 is switched 9 alphanumeric display 4 digits Indication of the current level Operation and fault indication Indication of the parameters and parameter values 10 Set button Setting of the parameter values scrolling by holding pressed incrementally by pressing once Change b...

Страница 20: ... Uni S M M M S cm SELd L OFF 0 0 M M SP2 FH2 S M M M S 10 0 10 0 rP2 FL2 S M S M 9 5 9 5 M SP3 FH3 S M M S 15 0 15 0 rP3 FL3 S M S M 14 5 14 5 M S S S ou1 ou2 30s M M S M Hno Hno M dr1 S M 0 0 M M M S LEnG 24 0 HIGH MEdI S M M OFS S M 0 M rES S M cm inch M M M 2 KEy C 1000 S M 1 Menu level 1 2 Menu level 2 Menu items highlighted in grey e g FH1 are only active when assigned parameters have been se...

Страница 21: ...read access to the parameters Attempts to change parameters are acknowledged by the message CodE Changing the password 10 6 enter password 10 7 10 Parameter setting CAUTION The surface of the unit may get hot if the switching outputs are overloaded However only overload will cause hot surfaces Risk of burns Do not touch the device with your hands Use another object e g a ballpoint pen to carry out...

Страница 22: ...ntinuously For reducing the value let the display move to the maximum setting value Then the cycle starts again at the minimum setting value 3 Acknowledge parameter value Briefly press Mode Enter The parameter is displayed again The new setting value is saved Setting of other parameters Start again with step 1 Finishing the parameter setting Press Mode Enter several times until the current measure...

Страница 23: ... s during parameter setting the unit returns to the operating mode with unchanged values 10 2 Basic settings unit on delivery On delivery of the unit you must first enter the basic settings probe length medium The complete parameter setting menu cannot be accessed before this Malfunctions may occur if wrong basic settings are entered 10 2 1 Enter probe length Apply operating voltage The initial di...

Страница 24: ...tting cm Select SELd and set type of indication L The level is indicated in cm or inch L The level is indicated in percent of the final value of the measuring range OFF The display is switched off in the operating mode When one of the buttons is pressed the current measured value is displayed for 30 s The LEDs remain active even if the display is deactivated Uni SELd 10 3 Offset setting Set offset...

Страница 25: ...dow function normally open Fnc window function normally closed OU1 OU3 10 5 2 Set the switching limits hysteresis function Make sure that the function Hno or Hnc is set for OUx Select SP1 SP3 and set the value at which the output switches SP1 SP3 Select rP1 rP3 and set the value at which the output switches off rPx is always smaller than SPx The unit only accepts values which are lower than the va...

Страница 26: ...g of the delay time after signal loss The timing of output OUT OP overflow prevention is fixed for safety reasons In case of a fault OUT OP opens without delay Select dFo and set a value between 0 2 and 5 0 s At 0 0 factory setting the delay time is not active Mind the dynamics of your application In case of fast level changes it is recommended to adapt the value step by step 5 2 6 Safe state dFo ...

Страница 27: ...password protection is activated the parameters can still be read only the write access is blocked Password on delivery Not activated If the password is lost changing the parameters is no longer possible In this case the unit needs to be sent back to the manufacturer Select CodE and enter a new password 4 digit number between 1000 and 9999 Keep the password in a safe place To deactivate the passwo...

Страница 28: ...ention point OP is reached LED 6 LED 8 Switching status of the corresponding output Level below the active zone FULL numerical value alternately Level has reached or exceeded the maximum measuring range On delivery the unit is not operational Basic settings required 10 2 Loc Unit electronically locked parameter setting impossible For unlocking press the two setting buttons for 10 s uLoc Unit is un...

Страница 29: ... value for about 30 s After another 30 s the unit returns to the Run mode 11 3 Changing the display unit in the Run mode switching between length indication cm inch and percentage Briefly press Set in the Run mode The selected unit is displayed for 30 s the corresponding LED is lit With each push of the button the display type is changed ...

Страница 30: ...er on water Remove the oil layer by suction stir the medium check the composition Probe or process connection soiled Clean probe space between inner probe and coaxial pipe and process connection then carry out a reset Installation conditions were not adhered to Observe the notes in Installation 6 Probe length or sensitivity setting to the medium incorrect Correct basic settings 10 2 then carry out...

Страница 31: ...int reached According to the level and the setting of the output function OU1 OU3 OFF 12 Technical data and scale drawing Technical data and scale drawings at www ifm com 13 Setting ranges LEnG cm inch Setting range 10 160 4 0 63 Step increment 0 5 0 2 OFS cm inch Setting range 0 100 0 39 4 Step increment 0 5 0 2 The values in the following table apply to OFS 0 The values in brackets apply to the ...

Страница 32: ... when SPx FHx is increased If there is a greater distance between rPx FLx and SPx FHx rPx FLx maintains the set value even if SPx FHx is increased 14 Maintenance Always observe the admissible application area to avoid damage and to reduce maintenance 4 2 Keep the ventilation hole and the interior of the coaxial pipe free from deposits and foreign bodies Observe application area 4 2 In case of soil...

Страница 33: ...2 FL2 50 rP FLmax OU2 Hno SP3 FH3 75 SP FHmax rP3 FL3 75 rP FLmax OU3 Hno OFS 0 0 dr1 0 0 dr2 0 0 dr3 0 0 FOU1 OFF FOU2 OFF FOU3 OFF dFo 0 Uni cm SELd L OP 100 SPmax LEnG nonE MEdI nonE CodE none SP FHmax LEnG value minus 3 rP FLmax LEnG value minus 3 5 When the LEnG value is entered the program calculates the basic setting ...

Страница 34: ...m Building authority approval If the unit is used as overflow prevention with building authority approval according to the German Federal Water Act WHG please observe the corresponding chapter Technical description of the documentation ...

Страница 35: ...35 UK ...

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