Operating instructions Electronic level sensor LR3000 704913
Contents
1. i 22 I RSI 23 9 1 MENUSEUGUIE nati 23 9 2 Explanation of the M Nnu ccccccessessssssessesssessssseecsssessseessssessseesessesaseeses 24 10 Parameter setting cre ssainsescsebsnasanietiusatasmecstwasnoseainiadGaluinocdcaitaeccalsesitcabwinalontanisiais 10 1 General parameter Setting ccccsscccssssssssssssesssssescsssseeesaseeeceseeeeseees 10 2 Basic settings unit ON DEliVEry iii 10 2 1 Entering the probe length 10 2 2 Setting to the MEdIUM iii 10 2 3 Entering the type of probe used in 10 3 Configuration of the display csc cli 104 OfSeESeting cina 10 5 Setting oloDipulsignalS uan 10 5 1 Setting of the output function for QUTT siisii 10 5 2 Setting of switching limits hysteresis function 10 5 3 Setting of switching limits window function 10 5 4 Setting of the switch off delay ccsssesescssessssssssssssesessssseeees 10 5 5 Setting of the output function for OUT2 analogue output 10 5 6 Scaling of the analogue value iii 10 5 7 Response of the outputs in case of a fault 10 5 8 Setting of the delay time after Signal OSS n 10 6 Reset of all parameters to factory setting n 10 7 Changing basic settings iiiii 10 7 1 New entering of the probe length2. 6 3 Shortening of the probe 6 3 1 Shortening of the rod The rod can be shortened to adapt to different tank heights NOTE ensure that the rod length is not below the minimum permissible length of 10 cm Lmin Proceed as follows gt Screw the rod to the unit gt Mark the desired length L on the rod The reference point is the lower edge of the process connection gt Remove the rod from the unit gt Shorten the rod gt Remove all burrs and sharp edges 16 gt Screw the rod to the unit again and tighten it Recommended tightening torque 4 Nm gt Precisely measure the rod length L note the value It must be entered during parameter setting of the unit gt 10 2 6 3 2 Shortening of the coaxial pipe The coaxial pipe and the rod must be of the same end length AA gt lt ae ae MALS NE ZN iI TLL MEBERECERRRRE EEEE MERERECERERERRE EERE m 4 0 4 d 5 5 5 y 1 y 5 6 4 5 0 A 6 5 6 5 1 y 0 5 A 5 d gt Remove fastening bracket and centring piece A B gt Shorten the coaxial pipe to the requested length Lx L 9 mm After shortening at least one hole C for insertion of the fixing bracket has to be left gt Remove all burrs and sharp edges gt Insert centring piece A at the lower end of the pipe and attach it using the fixing bracket B at the lower hole C Lk L 9mm Lx length of the coaxial pipe L length of the rod f
3. cece 10 7 2 Setting to another medium cccessessesessssesesssssseessesessssesesereess 10 7 3 New entering of the type of probe USEd Ope On E E 31 LOE UDG inde ALON S lla 31 11 2 Reading of the set parameters cccccccsssesssssecsssssseeessseesesieeeseseseees 31 11 3 Changing the display unit in the Run mode eeeaer anava arna avans 32 VA EPROP AGI CAIN Sea enti 32 11 5 Remarks on application related Malfunction in 33 11 6 Output response in different operating stateS 33 Ledda 34 o IEC Rari 35 e COCA E RR ERE ee I E 36 14 Manienancess na 37 to FA earlier 38 1 Preliminary note 1 1 Symbols used gt gt Instruction Reaction result Designation of pushbuttons buttons or indications Cross reference Important note Non compliance can result in malfunctions or interference Information Supplementary note 2 Safety instructions Please read this document prior to set up of the unit Ensure that the product is suitable for your application without any restrictions The unit must be connected by a qualified electrician The national and international regulations for the installation of electrical equip ment must be adhered to The unit complies with the standard EN 61000 6 4 and is a class A product The radiated energy of the microwaves is for example much below that of mob
4. S1 zero signal 4 mA 0 V S2 full signal 20 mA 10 V Note the tolerances and accuracy limits during the evaluation of the analogue signal 13 Technical data Curve of the analogue signal Measuring range scaled L level ASP analogue start point AEP analogue end point A active zone 11 inactive zone 1 12 inactive zone 2 12 Scale drawing S1 zero signal 4 mA 0 V S2 full signal 20 mA 10 V Note the tolerances and accuracy limits during the evaluation of the analogue signal 13 Technical data Switching functions The unit signals via the switching output OUT1 that a set limit level has been reached or that the level is below the limit value For the output the following switching functions can be selected e Hysteresis function normally open figure 1 OU1 Hno e Hysteresis function normally closed figure 1 OU1 Hne First the set point SP1 is set then the reset point rP1 with the requested difference Window function normally open figure 2 OU1 Fno Window function normally closed figure 2 OU1 Fnc The width of the window can be set by means of the difference between FH1 and FL1 FH1 upper value FL1 lower value 10 L level HY hysteresis FE window For the switching output a switch off delay of max 5 s can be set e g for especially long pump cycles Offset for indicating the real level in the tank The zone
5. 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 Probes for different tank heights The unit can be 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 e Probe and housing can be rotated without restriction This enables easy instal lation and orientation of the head of the unit after installation Safe state Incase of a fault a safe state can be defined for each output e Ifa fault is detected or if the signal quality is below a minimum value the out puts pass into the safe state For this case the response of the outputs can be set via the parameters FOU1 FOU2 Temporary loss of signal caused e g by turbulence or foam formation can be suppressed by a delay time 10 5 8 dFo During the delay time the last measured value is frozen If the measured signal is received again with sufficient strength within the delay time the unit continues to work in normal operation If however it is not received again with sufficient strength within the delay time the outputs pass into the safe state 6 Installation 6 1 Installation location environment Vertical installation from the top is preferred 6 1 1 Unit with single probe For a safe function the unit requires a laun
6. buttons for 10 s Unit is unlocked parameter setting is possible again 11 2 Reading of the set parameters gt Press Mode Enter briefly to scroll the parameters gt Press Set briefly to indicate the corresponding parameter value for about 15 s After another 15 s the unit returns to the Run mode 31 11 3 Changing the display unit in the Run mode switching between length indication cm inch and percentage gt Press Set briefly in the Run mode gt The selected unit is displayed for 15 s the corresponding LED is lit With each push of the button the display type is changed 11 4 Error indications aa Possible cause Recommended measures E 000 no Fault in the electronics Replace the unit E 030 Probe detached from the unit possibly IE the probe is stil at ESS incorrect setting of the probe length ALU Check the parameter LEnG Measurement considerably disturbed ET Check the application gt 11 5 check E 032 i lira incorrect setting of the probe the parameter LEnG E 033 No reflection signal Check the application gt 11 5 E 034 Plausibility problem caused by abrupt Check the application 11 5 level change SCI Flashing short circuit in switching NE E output 1 The unit carries out plausibility checks to increase the operational reliability 32 11 5 Remarks on application related malfunction Measurement disturbed by foam formation Install the
7. g strongly moving viscous media or strongly flowing media e Incase of operation with single probe use preferably in metal tanks When installed in plastic tanks deterioration caused by electromagnetic interference may occur noise immunity to EN61000 6 2 Remedy 6 4 2 In case of operation with coaxial probe not suitable for viscous media and media prone to formation of deposit 5 Function 5 1 Measuring principle The unit operates to the principle of guided wave radar It measures the level using electromagnetic pulses in the nanosecond range The pulses are transmitted by the sen sor head and guided along the rod fig 1 When they hit the medium to be detected they are reflected and guided back to the sensor fig 2 The time between transmitting and receiving the pulse directly relates to the travelled distance D and the current level The reference for distance measure ment is the lower edge of the process connection The figure shows operation with single probe In case of operation with a coaxial probe the guided wave runs along the inside of the coaxial pipe 5 2 Features of the unit Easy set up e When the unit 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 After this the unit is operational gt 10 2 f necessary parameters for the output signals and optimisation of the monitor ing fu
8. gt Select FH1 and set the upper limit of the acceptable range 28 gt Select FL1 and set the lower limit of the acceptable range FL1 is always lower than FH1 The unit only accepts values which are lower than FH1 10 5 4 Setting of the switch off delay gt Select dr1 and set the value between 0 2 and 5 0 s At 0 0 factory setting the delay time is not active The switch off delay is only active if hysteresis has been set as switching function OU1 Hno or Hno 10 5 5 Setting of the output function for OUT2 analogue output gt Select OU2 and set the function I current signal 4 20 mA U voltage signal 0 10 V 10 5 6 Scaling of the analogue value gt Select ASP and set the measured value at which 4 mA 0 V is pro vided gt Select AEP and set the measured value at which 20 mA 10 V is provided 10 5 7 Response of the outputs in case of a fault gt Select FOU1 FOU2 and set the value on the switching output switches ON in case of a fault the analogue output goes to 20 MA 10 V in case of a fault OFF the switching output switches off in case of a fault the analogue output goes to 4 mA 0 V in case of a fault Factory setting FOU1 and FOU2 OFF Faults faulty hardware too low a signal quality untypical level curve Overflow is not considered to be a fault 10 5 8 Setting of the delay time after signal loss gt Select dFo and set the v
9. launching plates 6 4 1 6 4 2 4 Functions and features The unit continuously detects the level in tants and generates output signals ac cording to the parameter settings 2 outputs are available one analogue output and one switching output They can be set separately 4 1 Operation with single probe The single probe is made up of one individual rod Operation with single probe is suited for the detection of aqueous media in particular of heavily soiled aqueous Media For the correct function with single probe the unit 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 closed metal tanks the tank lid serves as a launching plate For installation in open metal tanks tanks made of plastic or metal tanks with plastic lids a sufficiently large fixing plate a metal plate or simi lar must be used 6 4 1 6 4 2 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 6 1 1 4 2 Operation with coaxial probe The coaxial probe is made up of an inner rod and an outer probe pipe coaxial pipe The rod is centered in the coaxial pipe by one or several spacers In case of operation with a coaxial probe media with a low dielectric constant e g oil and oil based media are detected in addition to aqueous media E No la
10. pipe are not included in the scope of delivery They must be ordered separately 3 Items supplied 6 2 1 Installation of the rod Fixing of the rod gt Screw the rod to the unit and tighten it Recommended tightening torque 4 Nm For ease of installation and removal the rod connection can be rotated with out restriction Even if rotated several times there is no risk of damage to the unit Lmin 10 cm In case of high mechanical stress strong vibration moving viscous media it may be necessary to secure the screw connection e g by a screw retaining com 15 pound Note such substances may migrate into the medium Make sure that they are harmless When using mechanical means of securing e g tooth lock washer protruding edges must be avoided They may cause interference reflection 6 2 2 Installation of the coaxial pipe only necessary if the unit is to be operated with coaxial probe The coaxial pipe and the rod must be of the same end length The coaxial pipe can be shortened 6 3 2 gt Screw the rod to the unit and tighten it Recommended tightening torque 4Nm gt Slide the sensor sealing A onto the thread gt Slide the coaxial pipe B onto the rod Carefully center it and carefully move the rod through the centring piece C for lengths gt 140 cm through both centring pieces of the coaxial pipe Do not damage the centring pieces gt Screw onto the sensor thread and tighten
11. 7 1 gt Press Mode Enter briefly 10 2 2 Setting to the medium gt Select MEdi press SET for 5 s gt nonE is displayed gt Set the requested value HIGH for water and water based media LOW for oils and oil based media Note In case of doubt carry out an application test to ensure the setting which is best for your medium 10 2 3 Entering the type of probe used gt Select Prob press SET for 5 s gt nonE is displayed gt Set the requested value rod for single probe COAX for coaxial probe The detection of water and water based media is possible with the single probe as well as with the coaxial probe e The detection of oils and oil based media is only possible with the coaxial probe Therefore the value COAX is preset for the parameter Prob when setting MEdl LOW the value rod is not available Then the unit 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 27 10 3 Configuration of the display gt Select Uni and set the unit of measurement cm inch Factory setting cm gt 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 measur ing range OFF The display is switched off in the operating mode
12. CE 05 2011 704913 00 ifm electronic Operating instructions Electronic level sensor efectorisa LR3000 Contents PIGIMINA NO Biennio E 4 LS elia 4 2 SAleb INSIUCIO Siae 4 3 MOMS SUD CIC rima 5 4 FUNCUONS and OARS coro ear 6 4 1 Operation with single PFODE Lie 6 4 2 Operation with coaxial probe 6 4 9 Applications si iscscscussisasinesecianculsdsasacesdeioesuabsneetssdatientsinssencdiessabedecebhetuestpeanesenien 7 CPI 8 5 1 Measuring PINCIDIE srl 8 SA FEES O ME UNI CR EA 8 Cadorna 12 6 1 Installation location ENVITONMENT LL 12 0 1 UNE single pro DE siii 12 0 12 ECO Sa PID 15 6 2 Installation of THE DIODE L maiesianamt tam attssaentsstsis na 15 6 2 1 Installation OF the rodet mmmtsstndesmmmssyame 15 6 2 2 Installation of the coaxial pipe 222aeaaan lana na aa 16 0 2 SRONENINO ON Me probe sasiore 16 091 Shortening OF ihe FO searre aa aE EESE Aa RARA 16 6 3 2 Shortening of the coaxial PIPE ia 17 6 4 Installation of the unit with single proDe i 17 6 4 1 Installation in metal tanks 17 6 4 2 Installation in plastic tanks ccccccsescsscssscseessessecssssseessseesseseeees 19 6 4 3 Installation using a flange plate in 19 6 5 Installation of the unit with coaxial probe in the tank 20 FECGICAlCONMEGco lac 20 8 Operating and display elements
13. SP Analogue start value for the level measured value at which 4 mA 0 V is provided AEP Analogue end value forthe level measured value at which 20 mA 10 V is provided Prob Type of probe used single probe or coaxial probe The menu item is only active if MEdl HIGH 24 10 Parameter setting During parameter setting the unit remains in the operating mode internally It continues its monitoring function with the existing parameters until the parameter setting has been completed 10 1 General parameter setting 3 steps must be taken for each parameter setting Selection of the parameter gt Press Mode Enter until the re quested parameter is displayed Setting of the parameter value gt Press SET and keep it pressed Current setting value of the param eter flashes for 5 s After 5 s setting value is changed incrementally by pressing the button once or continuously by keeping the button pressed Numerical values are incremented continuously For reducing the value let the dis play move to the maximum setting value Then the cycle starts again at the minimum setting value Acknowledgement of the parameter value gt Press Mode Enter briefly gt The parameter is displayed again The new setting value is stored Setting of other parameters gt Start again with step 1 Finishing the parameter setting gt Press Mode Enter several times until the current measured value is displayed or w
14. When one of the buttons is pressed the current measured value is displayed for 15 s The LEDs remain active even if the display is deactivated 10 4 Offset setting gt Select OFS and enter the distance between bottom of the tank and lower edge of the probe Afterwards display and switch points refer to the real level Factory setting OFS 0 Note Set OFS before setting the switching limits SPx rPx Otherwise the switching limits shift by the value of the set offset 10 5 Setting of output signals 10 5 1 Setting of the output function for OUT1 gt Select OU1 and set the switching function Hno hysteresis function NO Hnc hysteresis function NC Fno window function NO Fnc window function NC Note If the upper switch point is used as an overflow protection the setting OU1 Hnc NC function is recommended The principle of normally closed operation ensures that wire break or cable break is also detected 10 5 2 Setting of switching limits hysteresis function gt Make sure that the function Hno or Hnc is set for OU1 gt Select SP1 and set the value at which the output switches gt Select rP1 and set the value at which the output switches off rP1 is always smaller than SP1 The unit only accepts values which are lower than the value for SP1 10 5 3 Setting of switching limits window function gt Make sure that the function Fno or Fnc is set for OU1
15. ait for 15 s gt The unit returns to the operating mode 25 e Change from menu level 1 to menu level 2 b Press Mode Enter until EF is displayed Boo ModeFnter Set EM D gt Press Set briefly gt The first parameter of the submenu is CEB displayed here res Cei e Locking unlocking The unit can be locked electronically to prevent unintentional settings gt Make sure that the unit is in the normal operating mode taz Coe Coe gt Press Mode Enter Set for 10 s Vora A gt Loc is displayed y 10s During operation gt Loc is briefly displayed if you try to change parameter values For unlocking gt Press Mode Enter Set for 10 s onpm D gt uLoc is displayed a s On delivery unlocked e Timeout If no button is pressed for 15 s during parameter setting the unit returns to the operat ing mode with unchanged values 26 10 2 Basic settings unit on delivery On delivery of the unit you must first enter the basic settings The complete parameter setting menu cannot be accessed before this 1 Malfunctions may occur if wrong basic settings are entered 10 2 1 Entering the probe length gt Apply operating voltage gt The initial display is shown gt Change to menu level 2 gt Select LEnG press SET for 5 s gt nonE is displayed gt Enter the probe length in cm Remarks on the determination of the probe length gt 10
16. alue between 1 and 5 s At 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 29 10 6 Reset of all parameters to factory setting gt Select rES then press Set and keep it pressed until is displayed gt Press Mode Enter briefly gt During the storage operation the display goes out for several seconds Then the unit restarts and the factory settings are restored Note On delivery the unit is not operational First the basic settings must be entered 10 2 10 7 Changing basic settings Required after a factory reset rES and after changes to the probe or to the ap plication area 10 7 1 New entering of the probe length Approach for single probes gt Measure the rod length L to a precision of 2 mm 0 1 inch L lower edge of the of process connection to the rod end gt Round up the measured value step increment 0 5 cm 0 2 inch gt Select LEnG and set the value setting range 10 0 160 0 cm 4 0 63 0 inch Approach for coaxial probes gt Measure the total length Lx of the coaxial probe to a precision of 2 mm 0 1 inch gt Deduct 9 mm from the measured value L Lk 9 mm gt Round up the determined value step increment 0 5 cm 0 2 inch gt Select LEnG and set the value setting range 10 0 160 0 cm 4 0 63 0 inch Note A
17. ching plate 6 4 For optimum operation the unit should be installed as near as possible to the tank wall Distance between the rod and the tank wall minimum 40 mm maximum 300 mm The following minimum distances between the rod and tank walls objects in the tank B tank bottom and other level sensors must be adhered to 12 For tank walls which are not straight steps supports or other structures in the tank a distance of 50 mm to the tank wall must be adhered to For rod lengths gt 70 cm 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 Rod length Distance to the tank wall or structures in the tank 70 100 om 100 160 om If the medium is strongly polluted there is the risk that a bridge forms between the rod and the tank wall or structures in the tank To avoid incorrect meas urements adhere to increased minimum distances depending on type and intensity of the soiling For installation in pipes The inside pipe diameter d must be at least 100 mm Only install the unit in metal pipes For installation in connection pieces The diameter of the connection piece d must be at least 50 mm The height of the connection piece h must not exceed 40 mm e The maximum level must not ex ceed the limit of the block distance BD 30 mm If
18. fter changing the probe length the values for OFS and the switching limits must also be reviewed re entered 10 7 2 Setting to another medium gt Select MEdl and set the value HIGH for water and water based media LOW for oils and oil based media Note In case of doubt carry out an application test to ensure the setting which is best for your medium 30 10 7 3 New entering of the type of probe used gt Select Prob and set the value rod for single probe COAX for coaxial probe The detection of water and water based media is possible with the single probe as well as with the coaxial probe The detection of oils and oil based media is only possible with the coaxial probe Therefore the parameter Prob is not available in case of the set ting MEdl LOW the value COAX is preset 11 Operation After power on the unit is in the Run mode normal operating mode It carries out its measurement and evaluation functions and generates output signals ac cording to the set parameters 11 1 Operating indicators _ Level below the active zone FULL numerical value Level has reached or exceeded the maximum measuring alternately range overflow warning CAL Initialisation phase after power on 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
19. ile phones According to the current state of science the operation of the unit can be classified to be harmless to human health The unit may cause radio interference in domestic areas If interference occurs the user must take appropriate remedial actions Improper or non intended use may lead to malfunctions of the unit or to un wanted effects in your application That is why installation electrical connec tion set up operation and maintenance of the unit must only be carried out by qualified personnel authorised by the machine operator For the scope of validity cULus chapter 7 Electrical connection 3 Items supplied Level sensor LR3000 e Operating instructions In addition the following is necessary for installation and operation e 1 rod for operation of the unit with single probe 4 1 e plus 1 coaxial pipe for operation of the unit with coaxial probe 4 2 e mounting material The following components are available as accessories Length cm inch Order number me Coaxial pipes with process connection G Coaxial pipes with process a Flange plates 73 901 NPT Only use rods and coaxial pipes from ifm electronic The optimum function is not ensured when using components from other manufacturers For the correct function when used with single probe the unit needs a large enough metal launching plate The flange plates that are available as accessories are not sufficient as launching plates for suitable
20. it is exceeded by more than 10 mm malfunctions can occur Remedies arrange for a spout in stall the unit in a connection piece Do not install the unit in the immediate vicinity of a fill opening If possible install a fill pipe A in the tank Minimum distance between the fill pipe and the rod 50 mm higher for rod lengths gt 70 cm and in case of heavy soiling gt 6 1 1 Strong foam formation and strongly moving surfaces can lead to malfunctions Recommended remedies use a coaxial probe install a still pipe or bypass Note minimum diameter d 100 mm The upper access to the bypass A and the fill openings of the still pipe B must be above the maximum level The lower edges of the bypass C and of the still pipe D must be below the mini mum level This ensures that neither foam nor waves impact the sensor zone 14 6 1 2 Unit with coaxial probe There are no minimum distances to the tank wall and the baffles B required Minimum distance to the bottom of the tank 10 mm The vent hole A must not be covered by mounting elements or similar Do not install the unit in the im mediate vicinity of a fill opening No water jets must enter into the holes of the coaxial pipe Note in case of foam formation the vent of the coaxial pipe must be above the maximum level The lowest opening of the coaxial pipe must be below the minimum level 6 2 Installation of the probe Rod and coaxial
21. limits SP1 rP1 FH1 FL1 depend on the probe length L In general the mong apps SP1 FH1x rP1 FL1 Step increment The values apply if OFS 0 The values in brackets apply to the setting MEdl LOW setting for the detection of oils and oil based media P1 FL1 is always smaller than SP1 FH1 If the value for SP1 FH1 is reduced to a value lt rP1 FL1 the position of rP1 FL1 also shifts If rP1 FL1 and SP1 FH1 are close together approx 3 x step increment rP1 FL1 is changed automatically when SP1 FH1 is increased If there is a greater distance between rP1 FL1 and SP1 FH1 rP1 FL1 maintains the set value even if SP1 FH1 is increased The setting ranges for the analogue start point ASP and the analogue end point AEP depend on the probe length L In general the following applies increment Minimum distance between ASP and AEP 25 of the active zone The values apply if OFS 0 The values in brackets apply to the setting MEdl LOW setting for the detection of oils and oil based media 36 14 Maintenance gt Keep the process connection free of deposits and foreign bodies gt 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 gt Remove separation layers at regula
22. must be used which sufficiently covers the drill hole Minimum distance between rod and tank wall 80 mm higher for rod lengths gt 70 cm and in case of heavy soiling 6 1 1 When installed in plastic tanks there may be deterioration caused by electromagnetic interference Remedy e Apply a metal foil to the outside of the tank e Apply a shielding screen between the level sensor and other electronic units Operation with coaxial probe efficiently protects the unit from elec tromagnetic interference Please note the restrictions regarding the application area 4 3 6 4 3 Installation using a flange plate Flange plates are not included in the scope of delivery They must be ordered separately chapter 3 gt Arrange for a bore hole in the tank lid It must have a minimum diameter d to enable sufficient transfer of the measured signal to the probe The diameter depends on the wall thickness of the tank lid Wall thickness mm 8 11 Bore hole diameter mm gt Install the flange plate with the flat surface showing to the tank and fix it with appropriate screws A seal B can be inserted between flange plate and tank some flange plates are supplied with seal gt Ensure cleanness and evenness of the sealing areas especially if the tank is under pressure Tighten the fixing screws sufficiently gt Screw the unit in the flange plate and tighten firmly gt Make sure that the supplied sensor seal A is c
23. nctions can be set 10 3 to 10 5 e All settings can also be carried out before installation of the unit e Reset to the factory settings is possible Electronic lock can be set to prevent unintentional operations Display functions e The unit displays the current level either in cm inch or in percent of the final value of the measuring range Factory setting cm The display unit is defined by programming 10 3 In the Run mode it can be temporarily switched between length indication cm inch and percentage gt Press Set briefly gt The selected unit is displayed for 15 s the corresponding LED is lit With each push of the button the display type is changed The set unit of measurement and the switching status of the outputs are indi cated by LEDs Analogue function The unit provides an analogue signal proportional to level The analogue output OUT can be set as current or voltage output e Current output analogue 4 20 mA OU2 II voltage output analogue 0 10 V OU2 U e The analogue start point ASP determines at which measured value the output signal is 4 mA or 0 V The analogue end point AEP determines at which measured value the output 3 signal is 20 mA or 10 V Minimum distance between ASP and AEP 25 of the active zone Curve of the analogue signal s Factory setting L level A active zone 11 inactive zone 1 12 inactive zone 2 12 Scale drawing
24. ndication of the level in of the final value of the measuring range LED 4 LED 7 not used 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 inch indication and percent indication in the normal operating mode Run mode 11 Mode Enter button Selection of the parameters and acknowledgement of the parameter values 22 9 Menu JOGBGUUEDLE o OF OF OF OY OF a N o i i af Ja Hee ce E 9 1 Menu structure 23 9 2 Explanation of the menu SP1 rP1 Upper lower limit value for the level at which OUT1 switches oa Upper lower limit for the acceptable range monitored by OUT1 Output function for OUT1 e Switching signal for the level limit values hysteresis function H or window function F either normally open no or normally closed nc Output function for analogue output OUT2 current or voltage output 4 20 mA U 0 10 V Offset value for level measurement Extended functions opening of menu level 2 Restore factory settings Switch off delay for OUT1 The menu item is only active if OU1 Hno or Hnc FOU1 Response of OUT1 in case of a fault FOU2 Response of OUT2 in case of a fault A
25. orrectly positioned 6 5 Installation of the unit with coaxial probe in the tank gt Seal the process connection For pipes with G process connection slide the supplied seal onto the thread of the coaxial pipe For pipes with G NPT process connection apply a suitable sealing material e g Teflon tape gt Screw the sensor with the coaxial pipe into the tank and tighten it 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 unit 7 Electrical connection The unit must be connected by a qualified electrician The national and international regulations for the installation of electrical equipment must be adhered to Voltage supply according to EN 50178 SELV PELV For the scope of validity cULus The device shall be supplied from an isolating transformer having a secondary Listed fuse rated as noted in the following table 20 0 20 0 32 gt Disconnect power gt Connect the unit as follows Note when the unit 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 After this the unit is operational 10 2 21 8 Operating and display elements OD DO OOOOO 1 to 8 indicator LEDs LED 1 green indication of the level in cm LED 2 green indication of the level in inch LED 3 green i
26. r intervals gt Ensure that the vent hole at the upper end of the coaxial pipe remains free gt Keep the interior of the coaxial pipe free from foreign bodies and soiling 3 37 15 Factory setting SP1 FH1 100 SP FHmax rP1 FL 100 rP FLmax OFS Fo SP EP e o UE A TC TS 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 The values in brackets apply to the setting MEdl LOW setting for the detection of oils and oil based media OFF OFF L More information at www ifm com 38
27. rom the lower edge of the process connection 6 4 Installation of the unit with single probe 6 4 1 Installation in metal tanks NOTE In all cases the unit needs a metal surface to transfer the measured sig nals launching plate For installation in closed metal tanks the metal lid serves as a launching plate R 2 ways of installation are possible Screw in a G process connection in the tank lid fig A Installation in the tank lid using a flange plate e g for tanks with thin walls fig For installation in open tanks the unit must be installed using a metal fixture It serves as a launching plate R Minimum size 150 x 150 mm for a square fixture 150 mm diameter for a circular fixture If possible mount the unit in the middle of the fixture The distance D2 must not be below 40 mm fig C higher for rod lengths gt 70 cm and in case of heavy soiling 6 1 1 The lower edge of the process connec tion should be flush with the installa tion environment Use seals or wash ers D to reach the required height When using the ifm flange plates flush installation is ensured 18 6 4 2 Installation in plastic tanks To enable sufficient transfer of the measured signal note in case of installation in plastic tanks or metal tanks with plastic lid e Adrill hole with a minimum diam eter of 150 mm must be applied to the plastic lid e For installation of the unit a flange plate launching plate R
28. s in mm 1 display 2 status LEDs 3 programming buttons 4 seal min The values in brackets apply to the setting MEdI LOW setting for the detection of oils and oil based media 34 13 Technical data Operating voltage V Current rating mA Short circuit protection pulsed protected against reverse polarity and overload Voltage drop V Current consumption mA Analogue output 4 20 mA max 500 Q 0 10 V min 2000 Q Lero Signal MA lica stsa sans em es 3 6 4 0 0 0 0 2 Full signal mA V 20 0 20 8 10 0 10 3 Resolution MM iii 0 5 0 2 A Measuring sensitivity mA V per mm 16mA A 10V A VICI i PR RR 1 0 Characteristics deviation OM 1 0 Switch point accuracy CM 1 5 0 5 A Repeatability cm 0 5 Max speed of the level change mm s Dielectric constant medium Max tank pressure bar Protection Ambient temperature lClemesimstamstemcmeseltsomtammtsitmenmn 0 60 Medium temperature C SHAN baia 0 80 CIG RIO RO 0 90 Storage temperature C Shock resistance g 12 DIN EN 60068 2 29 11 ms Vibration resistance O irrita 2 5 RMS 1 1000 Hz IEC 60947 1 A active zone 12 Scale drawing active zone A up to 250 mm 2 active zone A 250 1550 mm 39 13 1 Setting ranges LEnG Setting range 10 160 4 0 63 Step increment OFS Setting range Step increment The setting ranges for the switching
29. unching plate is required for operation with coaxial probe Further more no minimum distances to tank walls and objects in the tank are required 4 3 Applications Water water based media e Oils oil based media only for operation with coaxial probe Medium temperature 0 80 C permanent 0 90 C short term Tank pressures 1 4 bar Application examples Detection of coolant emulsion in a machine tool e Detection of cleaning liquid in a parts cleaning system e Monitoring of hydraulic oil in a hydraulic power unit only for operation with coaxial probe UK Restriction of the application area e The unit is not suitable for bulk materials e g plastic granulates e f the unit is to be used in acids or alkalis in hygienic areas or in electroplating applications first check the compatibility of the product materials chapter 13 Technical data with the media to be monitored Incorrect measurements or signal loss may be caused by the following media Highly absorbing surfaces e g foam Intensely bubbling surfaces Media which are very inhomogeneous separate from each other thus forming separation layers e g oil layer on water Check the function by an application test In case of signal loss the unit displays E 033 and switches the outputs to a defined state 11 5 e The unit is not suitable for applications where the probe is subjected to per manent and high mechanical stress e
30. unit in a still pipe or bypass or strong turbulence Set or increment dFo 10 5 8 Measurement disturbed by separation lay Remove the oil layer by suction stir the ers e g oil layer on water medium verify the composition i Clean the rod and the process connection Rod or process connection soiled Ra carry out a reset Installation conditions were not adhered to ci d udi i Block distance exceeded by more than 10 Lower the level follow the instructions in mm chapter 6 Installation Atypical abrupt level changes Carry out a reset Correct the settings Follow the instructions in chapter 10 2 Carry out a reset Probe length type of probe or sensitivity setting to the medium set incorrectly The unit carries out plausibility checks to increase the operational reliability Atypical level changes can be caused e g by contact with the rod They can also be caused by heavy soiling or turbulence With the parameter dFo the response of the unit can be delayed 10 5 8 Carry out a reset power off and on again after rectifying the fault and to reset the error message 11 6 Output response in different operating states OUT1 OUT2 Iniialsation Normal operation according to the level and according to the level and i OU setting OU2 setting Fault E 0xx OFF for FOU1 OFF 4 mA 0 V for FOU2 OFF ON for FOU1 on 20 mA 10 V for FOU2 on 33 12 Scale drawing Dimension
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