Operating instructions Electronic level sensor LR8000 704915
Contents
1. eese 19 6 4 3 Installation using a flange 19 6 5 Installation of the unit with coaxial probe in the tank 20 T Electrical connection rares 20 8 Operating and display elements sss 22 inco c A s 29 9 1 Switching mode Din OFF sesa 23 9 2 Binan mode DIO ON castes sega pre e Rai USE 24 9 3 Explanation of the menU 25 10 Parameter GE rc enge S 26 10 1 General parameter setting serene 26 10 2 Basic settings unit on 10 2 1 Entering the probe length esses 10 2 2 Setting to the medium sene 10 2 3 Entering the type of probe 10 3 Configuration of the display eene 10 4 Selection of the evaluation 1108 011 1 12 11 EE Em T 10 6 Setting of output signals tnnt t rmt tein 10 6 1 Setting Of the Output TUDCIIORL 10 6 2 Setting of switching limits hysteresis function 10 6 3 Setting of switching limits window function 10 6 4 Setting of the switch o2. 05 2011 704915 00 ifm electronic Operating instructions Electronic level sensor efectorisa LR8000 Contents RR UT 4 iE unosi eee nee km 4 2 SNS e e e E E 4 tems MERE 5 4 Functions and features sse nnns 6 4 1 Operation with single proD 4 e 6 4 2 Operation with coaxial 6 4 3 Applications sess 7 5 RR 8 5 1 Measuring principle 8 5 2 Features of the UNM ccsscscccctinscnnssatessincdineseusdiededenssGchentectadensdecretiialecnedesizserdtsete 8 Oy MIS eal c 12 6 1 Installation location environment enne 12 6 1 1 Upit Wii IO CIE DO DE sss 12 6 1 2 Unit with coaxial probe serem mts mamar 15 6 2 Installation Of the probe sss 15 6 2 1 Installation of the 15 6 2 2 Installation of the coaxial 16 6 3 Shortening of the probe essen 16 6 3 1 Shortening of the rod essen 16 6 3 2 Shortening of the coaxial pipe sss 17 6 4 Installation of the unit with single 17 6 4 1 Installation in metal tanks sss 17 6 4 2 Installation in plastic tanks
3. To enable sufficient transfer of the measured signal note in case of installation in plastic tanks or metal tanks with plastic lid e 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 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 Apply a metal foil to the outside of the tank 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 ta
4. output switches off 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 6 6 Setting of the delay time after signal loss gt Select dFo and set the value between 1 and 5 s At 0 7 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 10 7 Reset of all parameters to factory setting gt Select rES then press Set and keep it pressed until is displayed b 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 8 Changing basic settings Required after a factory reset rES and after changes to the probe or to the ap plication area UK 10 8 1 New entering of the probe length Approach for single probes gt Measure the rod length 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 L of the c
5. 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 Ed No launching 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 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 Detection of cleaning liquid in a parts cleaning system Monitoring of hydraulic oil in a hydraulic power unit only for operation with coaxial probe UK Restriction of the application area The unit is not suitable for bulk materials e g plastic granulates fthe unit is to be used in acids or alkalis in hygieni
6. are indi cated by LEDs Switching functions The unit signals via two switching outputs OUT1 OUTA that a set limit level has been reached or that the level is below the limit value For each output the following switching functions can be selected e Hysteresis function normally open figure 1 OUx Hno Hysteresis function normally closed figure 1 OUx Hnc First the set point SPx is set then the reset point rPx with the requested UK difference Window function normally open figure 2 OUx Fno Window function normally closed figure 2 OUx The width of the window can be set by means of the difference between FHx and FLx FHx upper value FLx lower value level HY hysteresis FE window For each 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 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 Probe and housing can be rotated without restriction This enables easy instal lation and orientation of the
7. 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 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 f necessary parameters for the output signals and optimisation of the monitor ing functions can be set 10 3 to 10 6 All settings can also be carried out before installation of the unit Resetto the factory settings is possible Electronic lock can be set to prevent unintentional operations Display functions 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
8. 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 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 4Nm gt Precisely measure the rod length L note the value It must be entered during parameter setting of the unit 10 2 6 3 2 Shortening of the coaxial pipe The coaxial pipe and the rod must be of the same end length ar D cr NE ZN AA ANA 4 0 2 gt Remove fastening bracket and centring piece A B gt Shorten the coaxial pipe to the requested length L L 9 mm After shortening at least one hole C fo
9. head of the unit after installation Safe state n case of a fault a safe state can be defined for each output 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 FOUA Temporary loss of signal caused e g by turbulence or foam formation can be suppressed by a delay time 10 5 6 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 Binary mode In the binary mode the outputs OUT1 OUTA indicate the level as a 8 4 2 1 binary code Thus a quasi analogue evaluation with a resolution of 15 steps about 6 6 of the active zone A is available Below the probe and in the zone 12 the word 0000 is output step 0 In the active zone A the steps 1 15 are passed through and the outputs switch to the shown states If the active zone is exceeded zone 11 the value of step 15 word 1111 continues to be output 10 V AM A E E G E EE 7 41 EE EE ES TE 44 E H 12 OA For the zones A 1 and 2 12 Scale drawing 11 6 Ins
10. 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 OUT4 Initialisation according to the level and the setting of the output function bin OU1 to OU4 OFF for FOUx OFF ON for FOUx on Normal operation Fault 34 12 Scale drawing Dimensions in mm 1 display 2 status LEDs 3 programming buttons 4 seal inch min probe length 6 4 L 4 L 6 2 4 1 6 L 1 6 L 2 4 L The values in brackets apply to the setting LOW setting for the detection of oils and oil based media 35 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 Switch point accuracy t 1 5 0 5 A REDS ata ITY TT 05 Max speed of the level change mm s Dielectric constant medium Max tank pressure bar Housing materials stainless steel 304 1 4301 FKM NBR PBT PC PEI TPE V PTFE Materials wetted parts Stainless steel 303 1 4305 PTFE NBR Tesnit Protection IP 67 Ill Ambient temperature nnne ns 0 60 Medium temperature C xi cci e H 0 80 Ce EN 0 90 Storage temperature C
11. 5 Cj cC n J in md 14454 NS T 14 44 14 rm OFF mode bin 9 1 Switchinc 9 2 Binary mode bin L E Le 5 5 UJ i at a 7 5 J o o T f 4 5 3 e 8 24 9 3 Explanation of the menu SP1 rP1 FHL SP2 rP2 FH2IFL2 SPa rP3 FH3 FL3 SPAIrPA FHAIFLA OUx Output function for OUTx Switching signal for the 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 settings nc nc nc nc Prob Type of probe used single probe or coaxial probe The menu item is only active if MEdl HIGH Changing between switching mode and binary mode 25 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 D SP quested parameter is displayed a 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 b
12. Shock resistance g 12 DIN EN 60068 2 29 11 ms Vibration resistance 2 5 RMS 1 1000 Hz IEC 60947 1 active zone 12 Scale drawing 13 1 Setting ranges LEnG Setting range Step increment OFS Setting range Step increment 36 The setting ranges for the switching limits SPx rPx FHx FLx depend on the probe length L In general the following applies SPx FHx 6 1 rPx FLX L 35 04 12 Step increment The values apply if OFS 0 The values in brackets apply to the setting MEdIJ LOW setting for the detection of oils and oil based media rPx FLx is always smaller than SPx FHx If the value for SPx FHx is reduced to a value lt rPx FLX the position of rPx FLx also shifts If rPx FLx and SPx FHx are close together approx x step increment rPX FLX is changed automatically when SPx FHx is increased f 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 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 regular intervals gt Ensure that the vent hole at the up
13. brupt Check the application 11 5 level change ISCx Flashing short circuit in switching Renove he output x SC Flashing short circuit in all switching Remove acetat outputs The unit carries out plausibility checks to increase the operational reliability 33 11 5 Remarks on application related malfunction Measurement disturbed by foam formation Install the unit in a still pipe or bypass or strong turbulence e Set or increment dFo 10 6 6 Measurement disturbed by separation lay Remove the oil layer by suction stir the ers e g oil layer on water medium verify the composition Clean the rod and the process connection Rod or process connection soiled carry out a Installation conditions were not adhered to 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 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 6 6 Carry out a
14. c 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 The unit is not suitable for applications where the probe is subjected to per manent and high mechanical stress e g strongly moving viscous media or strongly flowing media n case 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 n 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
15. e 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 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
16. ff 10 6 5 Response of the outputs in case of a fault 10 6 6 Setting of the delay time after signal 105 10 7 Reset of all parameters to factory 10 6 Changing Basic SE TINGS mencions meses ss 10 8 1 New entering of the probe 10 8 2 Setting to another medium 10 8 3 New entering of the type of probe Um 11 1 Operating ese 11 2 Reading of the set parameters seres 11 3 Changing the display unit in the Run 11A a kk 11 5 Remarks on application related 11 6 Output response in different operating 5 RM CST 191 o N 14 Maintenance 1154 51818 8 1 6 C 15 1 Storage tanks level 152 We aisneis nanes ninae nn erennere 15 PUMP NO SANON MN TG I tanta mem meitat nament 1 Preliminary note 1 1 Symbo
17. ged values 27 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 10 7 1 gt Press Mode Enter briefly 10 2 2 Setting to the medium gt Select MEdl press SET for 5 s gt nonE is displayed 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 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 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 LOW the value rod is not available Then the unit changes t
18. lours 2 OUT2 switching output 2 4 OUT switching output 1 5 OUTS switching output 3 6 OUT switching output 4 7 not used Connector 8 pole on connector 4 pole available as accessories order no E11228 Y connection cable order no E11627 T splitter box 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 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 indication of the level in of the final value of the measuring range LED 4 not used LED 5 yellow output 1 is switched LED 6 yellow output 2 is switched LED 7 yellow output 3 is switched LED 8 yellow output 4 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 55 C3 Cj 3 C3 I CS Cj Cj ie Lh S
19. ls 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 mobile 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 LR8000 Operating instructions In addition the following is necessar
20. nction NC Fno window function NO Fnc window function NC Note If the upper switch point is used as an overflow protection the setting OUXx Hnc NC function is recommended The principle of normally closed operation ensures that wire break or cable break is also detected 29 10 6 2 Setting of switching limits hysteresis function gt Make sure that the function Hno or Hnc is set for OUx gt Select 5 1 SP4 and set the value at which the output switches gt Select rP1 rP4 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 value for SPx 10 6 3 Setting of switching limits window function gt Make sure that the function Fno or Fnc is set for OUx gt Select FH1 and set the upper limit of the acceptable range gt Select FL1 FL4 and set the lower limit of the acceptable range FLx is always lower than FHx The unit only accepts values which are lower than FHx 10 6 4 Setting of the switch off delay gt Select dr1 dr4 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 OUx Hno or Hnc 10 6 5 Response of the outputs in case of a fault gt Select FOU1 FOU4 and set the value on output switches in case of a fault OFF
21. nk 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 correctly positioned 6 5 Installation of the unit with coaxial probe in the tank Seal the process connection For pipes with 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 Overcurrent protection Control circuit wire size Maximum protective device rating Ampere 0 13 0 20 0 32 5 2 2 gt Disconnect power gt Connect the unit as follows Core co
22. o 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 28 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 L96 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 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 Selection of the evaluation mode gt Select bin and set the mode OFF switching mode on delivery on binary mode The switching parameters SPx rPx OUx and drx are not available in the binary mode 10 5 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 6 Setting of output signals 10 6 1 Setting of the output function gt Select 001 OU4 and set the switching function Hno hysteresis function NO Hnc hysteresis fu
23. oaxial 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 After changing the probe length the values for OFS and the switching limits must also be reviewed re entered 10 8 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 31 10 8 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 MEdI 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
24. per end of the coaxial pipe remains free gt Keep the interior of the coaxial pipe free from foreign bodies and soiling 37 15 Applications 15 1 Storage tanks level monitoring Level monitoring with evaluation in the binary mode e Menu setting bin on The settings for rPx drx and OUx are not effective OUT3 c N c OUT4 _1 1 1 21 11 24147 1 o 11 1 o 1 0 0o 1 1 0 1 0 1 0 0 0 o 0 o 0 0 XX X 7 display value A binary value P1 position 1 e g maximum value reached P2 position 2 e g upper preset value reached P3 position 3 e g lower preset value reached P4 position 4 e g minimum value reached The binary mode corresponds to an analogue evaluation with a resolution of 6 6 of the active zone or 4 bits In the evaluation electronics PLC etc no analogue input is used the analogue value is already available in digital form 8 4 2 1 binary code 38 15 2 Storage tank Level control and min max monitoring with 4 switching outputs Replaces 4 float switches Configuration of the switching outputs 1 4 bin OFF max value exceeded alarm hysteresis function normally closed Hnc P2 upper preset value reached finish refilling hysteresis function normally open Hno P3 below lower preset value start refilling hysteresis function normally closed Hnc below min value alarm U4 hysteresis func
25. r 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 Lk L 9 mm Ly length of the coaxial pipe L length of the rod from 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 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
26. s SP2 output 2 switches upper value exceeded submers ible pump ON If the level is below SP3 output switches lower value reached submersible pump OFF 41 16 Factory setting 5 1 FH1 25 SP FHmax rP1 FL1 25 rP FLmax 5 2 2 50 SP FHmax rP2 FL2 50 96 rP FLmax SP3 15 9 SP FHmax 15 rP FLmax SP4 4 100 SP FHmax FLA 100 rP FLmax 42 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 More information at www ifm com 3 43
27. tallation 6 1 Installation location environment Vertical installation from the top 15 preferred 6 1 1 Unit with single probe For a safe function the unit requires a launching 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 e For installation in pipes The inside pipe diameter d must be at least 100 mm Only install the unit in metal pipes e For installation in connection pieces The diameter of the connection piece d m
28. the maximum measuring alternately range 7 overflow warning CAL Initialisation phase after power on On delivery the unit is not operational Basic settings required gt 10 2 Loc Unit electronically locked parameter setting impossible For unlocking press the two setting 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 32 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 Possible cause Recommended measures E 000 Fault in the electronics Replace the unit 030 incorrect setting of the probe length 8 Check whether the probe is still at E 031 Probe detached from the unit possibly tachad io dh umi Check the parameter LENG Measurement considerably disturbed E 032 possibly incorrect setting of the probe e op On length the parameter LEnG E 033 No reflection signal Check the application 11 5 E 034 Plausibility problem caused by a
29. tion normally open Hno HS slightly below SPx to suppress wave movements factory setting XX X display value 39 40 If the level is below SP1 the output is switched If the level is above SP1 or if there is a wire break output 1 switches off alarm message overflow wire break If the level reaches SP2 output 2 switches upper preset value reached finish refilling If the level is below SP3 output 3 switches below lower preset value start refilling If the level is above SP4 the output is switched If the level is below SP4 or if there is a wire break output 4 switches off alarm message below min value wire break 15 3 Pumping station Empty the tank overflow protection with 3 switching outputs Replaces 3 float switches Configuration of the switching outputs 1 3 bin OFF SP1 OUT hysteresis function normally closed Hnc upper value exceeded submersible pump ON OU2 hysteresis function normally open Hno ower value reached submersible pump OFF hysteresis function normally closed Hnc rP1 slightly below SPx to suppress wave movements rP3 factory setting 02 display value A empty the tank B overflow protection If the level is below SP1 the output is switched If the level is above SP1 or if there is a wire break output 1 switches off alarm message overflow wire break f the level exceed
30. ust 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 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 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 th
31. y for installation and operation 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 mounting material The following components are available as accessories Length cm inch Order number Coaxial pipes with process connection G34 Coaxial pipes with process Manic 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 launching plates 6 4 1 6 4 2 4 Functions and features The unit continuously detects the level in tanks and generates output signals ac cording to the parameter settings 4 switching outputs are available 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
32. y 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 wait for 15 5 gt The unit returns to the operating mode 26 Change from menu level 1 to menu level 2 b Press Mode Enter until EF is displayed ModeFnter Set gt Press Set briefly gt The first parameter of the submenu is displayed here res 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 Coe ee gt Press Mode Enter Set for 10 s A gt Loc is displayed os During operation gt Loc is briefly displayed if you try to change parameter values For unlocking gt Press Mode Enter Set for 10 s HABE B gt uLoc is displayed s s On delivery unlocked Timeout If no button is pressed for 15 s during parameter setting the unit returns to the operat ing mode with unchan
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