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Electronic level sensor

LR7009

8 Menu

8.1 Menu structure

30s

SELd

SP1

FH1

rP1

FL1

10,0

9,5

Hno

OU2

Hnc

OFS

0,0

OU1

rES

----

dr1

0.0

dr2

0,0

OFF

FOU2

OFF

dFo

0.0

LEnG

24.0

MEdI

HIGH

Prob

COAX

FOU1

SP2

FH2

rP2

FL2

20,0

19,5

P-n

PnP

8.2 Explanation of the menu

SP1/rP1

Upper / lower limit value for the level at which OUT1 switches.

FH1/FL1

Upper / lower limit for the acceptable range (monitored by OUT1).

SP2/rP2

Upper / lower limit value for the level at which OUT2 switches.

FH2/FL2

Upper / lower limit for the acceptable range (monitored by OUT2).

OUx

Output function for OUTx:

Switching signal for level limit values: hysteresis function [H..] or window function [F..], either normally open
[.no] or normally closed [.nc].

OFS

Offset value for level measurement.

Extended functions / opening of menu level 2.

rES

Restore factory setting.

dr1

Switch-off delay for OUT1:
The menu item is only active if OU1 = Hno or Hnc.

dr2

Switch-off delay for OUT2:
The menu item is only active if OU2 = Hno or Hnc.

FOU1

Response of OUT1 in case of a fault.

FOU2

Response of OUT2 in case of a fault.

dFo

Delay time for switching response OUTx.

P-n

Output polarity for the switching outputs (PnP or nPn).

Содержание LR7009

Страница 1: ...Operating instructions Electronic level sensor LR7009 11421235 00 01 2022 GB ...

Страница 2: ... probe 15 5 5 1 Installation in closed metal tanks without flange plate 15 5 5 2 Installation in closed metal tanks with flange plate 16 5 5 3 Installation in open tanks 17 5 5 4 Installation in plastic tanks 17 5 6 Installation of the device with coaxial probe in the tank 17 5 7 Alignment of the sensor housing 18 6 Electrical connection 19 7 Operating elements and display elements 20 8 Menu 21 8 ...

Страница 3: ...9 10 Operation 30 10 1 Operating indicators 30 10 2 Reading the set parameters 30 10 3 Changing the display unit in the Run mode 30 10 4 Error indications 30 10 5 Output response in different operating states 31 11 Repair maintenance and disposal 32 12 Applications 33 12 1 Minimum level monitoring with early warning and alarm 33 12 2 Pumping station empty the tank with overflow prevention 33 12 3 ...

Страница 4: ...s and further information using the QR code on the unit packaging or at www ifm com 1 1 Symbols used Requirement Instructions Reaction result Designation of keys buttons or indications Cross reference Important note Non compliance may result in malfunction or interference Information Supplementary note ...

Страница 5: ...ust be suitable for the corresponding applications and environmental conditions without any restrictions Only use the product for its intended purpose Ò Intended use If the operating instructions or the technical data are not adhered to personal injury and or damage to property may occur The manufacturer assumes no liability or warranty for any consequences caused by tampering with the product or ...

Страница 6: ...operation of the device with coaxial probe Ò Accessories Mounting material if necessary a launching plate Ò Accessories 3 1 Accessories Only use accessories from ifm electronic gmbh The function is not ensured when using components from other manufacturers The following components are available as accessories Rods Length cm Order number 15 E43225 24 E43203 30 E43226 45 E43204 50 E43227 70 E43205 1...

Страница 7: ... tanks made of plastic or metal tanks with plastic lids a sufficiently large fixing plate a metal plate or similar must be used For operation with single probe minimum distances to tank walls objects in the tank bottom of the tank and further level sensors must be adhered to 3 3 Operation with coaxial probe The coaxial probe is made up of an inner rod and an outer probe pipe coaxial pipe The rod i...

Страница 8: ...e the probe is subjected to permanent and high mechanical stress e g heavy movement of viscous media or fast flowing media When installed in plastic tanks deterioration caused by electromagnetic interference may occur noise immunity to EN61000 6 2 In case of operation with coaxial probe not suitable for soiled or viscous media and media prone to formation of deposit Maximum viscosity 500 mPa s If ...

Страница 9: ...are reflected and guided back to the sensor Fig Receiving The time between transmitting and receiving the pulse directly relates to the travelled distance D and the current level The reference for distance measurement is the lower edge of the process connection The figures show operation with single probe In case of operation with a coaxial probe the guided wave runs only along the inside of the c...

Страница 10: ...installed in tanks of different sizes Probes in different lengths are available To adapt to the tank height each probe can be shortened The minimum probe length is 10 cm the maximum probe length is 160 cm Probe and housing can be rotated without restriction This enables easy installation and orientation of the head of the device after installation 4 6 Safe state For each output a safe state in the...

Страница 11: ...m the rod can be considerably deflected by movement of the medium To avoid contacting the tank wall or other structures in the tank in such cases the minimum distances should be increased Reference values Probe length Distance to the tank wall or structures in the tank 70 100 cm 100 mm 100 160 cm 180 mm If the medium is highly polluted there is the risk that a bridge forms between the rod and the ...

Страница 12: ...ents in case of heavy foam formation and turbulence u If possible install the sensor in a steady area Examples of how to create a steady area u Use of a coaxial probe only for clean low viscosity media u Installation in bypass or still pipe u Separation of the installation location by metal sheets perforated sheets without figure Min diameter of the bypass and still pipe d 100 mm The upper access ...

Страница 13: ...e holes of the coaxial pipe Note in case of foam build up u The vent of the coaxial pipe must be above the maximum level u The lower edge of the coaxial pipe must be below the minimum level 5 3 Installation of the probe Rod and coaxial pipe are not included in the scope of delivery They must be ordered separately Ò Accessories 5 3 1 Installation of the rod Fixing of the rod 6 u Screw the rod to th...

Страница 14: ...ces of the coaxial pipe Do not damage the centring pieces u Screw onto the sensor thread and tighten 5 4 Shortening of the probe 5 4 1 Shortening of the rod and determination of its length L The rod can be shortened to adapt to different tank heights Ensure that the probe length is never below the minimum permissible length Lmin of 10 cm The device does not support probe lengths below 10 cm If sho...

Страница 15: ...m from the total length of the coaxial pipe LK 9 mm L u Note down L It must be entered during parameter setting of the device 5 5 Installation of the device with single probe For the correct function when used with single probe the device needs a large enough metal launching plate It is necessary for transferring the microwave pulse to the tank with optimum transmission power For installation in c...

Страница 16: ...nal to the probe The diameter depends on the wall thickness of the tank lid Wall thickness mm 1 5 5 8 8 11 Bore hole diameter d mm 35 45 55 u Install the flange plate with the flat surface showing to the tank and fix it with appropriate screws A B R A sensor seal B tank seal R tank lid launching plate A seal B can be inserted between flange plate and tank Some flange plates are supplied with a sea...

Страница 17: ... in case of installation in plastic tanks or metal tanks with plastic lid u There must be a hole of at least 150 mm in diameter in the plastic lid u For installation of the device a metal flange plate launching plate R must be used which sufficiently covers the drill hole Ò Accessories u Ensure the minimum distance 80 mm between rod and tank wall higher for probe lengths 70 cm and in case of heavy...

Страница 18: ...ng material e g Teflon tape u Screw the device with the coaxial pipe into the tank and tighten it 5 7 Alignment of the sensor housing After installation the sensor housing can be aligned It can be rotated without restriction Even if rotated several times there is no risk of damage to the device ...

Страница 19: ...e technical data sheet u Disconnect power u Connect the device as follows When the device is supplied with operating voltage for the first time the probe length the medium to be detected and the type of probe used must be entered Only then is the device ready for operation L 1 BN 2 WH 4 BK 3 BU OUT1 IO Link OUT2 L 4 3 2 1 Pin Core colour 1 BN brown 2 WH white 3 BU blue 4 BK black OUT1 Switching ou...

Страница 20: ...used 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 between cm indication and percent indication in the normal operating ...

Страница 21: ...er lower limit value for the level at which OUT2 switches FH2 FL2 Upper lower limit for the acceptable range monitored by OUT2 OUx Output function for OUTx Switching signal for level limit values hysteresis function H or window function F either normally open no or normally closed nc OFS Offset value for level measurement EF Extended functions opening of menu level 2 rES Restore factory setting dr...

Страница 22: ...LR7009 Electronic level sensor 22 SELd Type of indication LEnG Probe length MEdI Medium to be detected Prob Type of probe used single probe or coaxial probe The menu item is only active if MEdI HIGH ...

Страница 23: ...of several process values Parameter setting during operation as well as point to point at the desk Device diagnostics events Data storage Automatic new parameter setting in case of replacement Detection of connected units Freely definable parameters to identify the units in the plant Information and documentation on the IO Link interface at www io link ifm 9 2 Parameter setting in general 3 steps ...

Страница 24: ...he current measured value is displayed or wait for 30 s w The sensor returns to the process value display If C Loc is displayed when an attempt is made to modify a parameter value a parameter setting process is active via the IO Link communication temporary locking If S Loc is displayed the sensor is permanently locked via software This locking can only be removed with a parameter setting software...

Страница 25: ...vice returns to the operating mode with unchanged values 9 3 Basic settings on delivery On delivery of the device you must first enter the basic settings The complete parameter setting menu cannot be accessed before this Malfunctions may occur if wrong basic settings are entered 9 3 1 Entering the probe length u Apply operating voltage w The initial display ΞΞΞΞ appears u Select LEnG press Set for...

Страница 26: ...ot availa ble Prob Then the device changes to the operating mode For further parameter setting the menu can be opened The parameters LEnG MEdI and Prob can be accessed and modified just like all other parameters 9 4 Setting ranges LEnG cm Setting range 10 160 Step increment 0 5 OFS cm Setting range 0 100 Step increment 0 5 The setting ranges for the switching limits SPx rPx FHx FLx depend on the p...

Страница 27: ...ed Note if the switch point is used as an overflow prevention the setting OUx Hnc NC function is rec ommended The principle of normally closed operation ensures that wire break or cable break is also detected OU1 OU2 9 7 2 Setting the switching limits hysteresis function u Make sure that for OU1 or OU2 the function Hno or Hnc is set u Select SP1 SP2 and set the value at which the output switches S...

Страница 28: ...etting u Select rES then press Set and keep it pressed until is displayed u Briefly press Mode Enter w The device reboots and then the factory settings are restored Note on delivery the device is not operational First the basic settings must be entered rES 9 9 Changing basic settings Changing the basic settings is required after changes to the probe or to the application area 9 9 1 Re entering pro...

Страница 29: ...probe COAX for coaxial probe The detection of water and water based media is possible with the single probe as well as with the co axial probe The detection of oils and oil based media is only possible with the coaxial probe Therefore the pa rameter Prob is not available in case of the setting MEdI LOW the value COAX is preset Prob ...

Страница 30: ...ither an IO Link communication is active temporary locking or the sensor is permanently locked via software This locking can only be re moved with a parameter setting software 10 2 Reading the set parameters u Briefly press Mode Enter to scroll the parameters u Briefly press Set to indicate the corresponding parameter value for about 30 s After another 30 s the device returns to the Run mode 10 3 ...

Страница 31: ... carry out a reset SCx Flashing short circuit in switching output x Remove the short circuit SC Flashing short circuit in all switching outputs Remove the short circuit PArA Faulty data set Reset to factory settings Carry out a reset power off and on again after rectifying the fault to reset the error message 10 5 Output response in different operating states OUT1 OUT2 Initialisation OFF OFF Norma...

Страница 32: ...cially from dangerous and toxic substances u Keep the process connection free of deposits and foreign bodies u In case of heavy soiling clean the process connection and the probe at regular intervals In case of longer operation separation layers can form in the medium e g oil on water This applies especially to still pipes or bypasses u Remove the separation layers at regular intervals u Ensure th...

Страница 33: ...1 is reset If the level is above SP2 output 2 switches If the level falls below rP2 or if there is a wire break output 2 is reset By setting SP1 the maximum level can be controlled monitored the value of SP1 determines up to which level max liquid is to be refilled When the maximum level is reached this is signalled by the LED OUT1 going out and output 1 resetting 12 2 Pumping station empty the ta...

Страница 34: ... rP1 below lower preset value Ò start refilling OU1 hysteresis function normally closed Hnc Switching output 2 safety function min max FH2 max value exceeded Ò alarm FL2 below min value Ò alarm OU2 window function normally open Fno XX X display value A refilling B min monitoring C max monitoring If the level is below rP1 output 1 switches until liquid is refilled If SP1 is reached again output 1 i...

Страница 35: ...Electronic level sensor LR7009 35 Overflow output 1 and output 2 reset OFF Below min value output 1 switched ON and output 2 reset OFF ...

Страница 36: ...x rP1 FL1 50 rP FLmax OU1 Hnc SP2 FH2 100 SP FHmax rP2 FL2 100 rP FLmax OU2 Hnc OFS 0 0 dr1 0 0 dr2 0 0 FOU1 OFF FOU2 OFF dFo 0 P n PnP SELd L LEnG nonE MEdI nonE Prob 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 ...

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