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Operating instructions

Electronic level sensor

LR3000

80236081 / 00

02 / 2016

UK

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Summary of Contents for LR3000

Page 1: ...Operating instructions Electronic level sensor LR3000 80236081 00 02 2016 UK ...

Page 2: ... real level in the tank 12 5 2 6 Probes for different tank heights 13 5 2 7 Safe state 13 5 3 IO Link 13 6 Installation 14 6 1 Installation location environment 14 6 1 1 Unit with single probe 14 6 1 2 Unit with coaxial probe 17 6 2 Installation of the probe 18 6 2 1 Installation of the rod 18 6 2 2 Installation of the coaxial pipe 19 6 3 Shortening of the probe 20 6 3 1 How to shorten the rod and...

Page 3: ...3 Configuration of the display 32 10 4 Offset setting 32 10 5 Setting of output signals 32 10 5 1 Setting of the output function for OUT 1 32 10 5 2 Set the switching limits hysteresis function 32 10 5 3 Set the switching limits window function 32 10 5 4 Setting of the switch off delay for OUT1 33 10 5 5 Setting of the output function for OUT2 analogue output 33 10 5 6 Scale the analogue signal 33...

Page 4: ...ructions or the technical data are not adhered to personal injury and or damage to property can occur Improper or non intended use may lead to malfunctions of the unit or to unwanted effects in your application That is why installation electrical connection set up operation and maintenance of the unit must be carried out by qualified personnel authorised by the machine operator 11 3 Changing the d...

Page 5: ...tic areas If interference occurs the user must take appropriate remedial actions 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 3 Items supplied Level sensor LR3000 Opera...

Page 6: ...s with process connection G Length cm inch Order number 24 9 5 E43211 30 11 8 E43228 45 17 7 E43212 50 19 7 E43229 70 27 6 E43213 100 39 4 E43214 120 47 2 E43215 140 55 1 E43216 160 63 0 E43217 Coaxial pipes with process connection NPT Length cm inch Order number 45 17 7 E43218 70 27 6 E43219 100 39 4 E43220 120 47 2 E43223 140 55 1 E43224 160 63 0 E43221 Flange plates Size process connection Orde...

Page 7: ...that are available as accessories are not sufficient as launching plates for suitable launching plates 6 4 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 similar must be used 6 4 3 6 4 4 For operation with single probe minim...

Page 8: ...e function by performing an application test Installation in a steady area 6 1 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 bulk materials e g plastic granulates If the unit is to be used in acids or alkalis in hygienic areas or in electroplating applications Check the compatibility of the product materials 12 with the...

Page 9: ...ange The pulses are transmitted by the sensor head and guided along the rod fig 5 1 When they hit the medium to be detected they are reflected and guided back to the sensor fig 5 2 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 sho...

Page 10: ...gramming 10 3 In the Run mode it can be temporarily switched between length indication cm inch and percentage Briefly press Set 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 indicated by LEDs 5 2 3 Analogue function The unit provides an analogue si...

Page 11: ... sheet OU1 I U OU2 InEG UnEG Curve of the analogue signal measuring range scaled I U L 4 mA 0 V A ASP AEP I1 I2 20 mA 10 V L level ASP analogue start point AEP analogue end point A active zone I1 inactive zone 1 I2 inactive zone 2 Technical data sheet OU1 I U OU2 InEG UnEG Note the tolerances and accuracy limits during the evaluation of the analogue signal 12 ...

Page 12: ...ference Window function normally open fig 5 4 OU1 Fno Window function normally closed fig 5 4 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 Fig 5 3 Fig 5 4 SP1 rP1 t L FH1 FL1 1 0 1 0 FE Fno Fnc L level HY hysteresis FE window For the switching output a switch off delay of max 60 s can be set e g for especially long pump c...

Page 13: ...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 in sufficient strength within the delay time the unit continues to work in normal operation If however it is not received again in sufficient strength within the delay time the outputs pass into the safe state In case of heavy foam formation and tu...

Page 14: ...n environment Vertical installation from the top is 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 is to 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 ...

Page 15: ...surements 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 fig 6 1 Only install the unit in metal pipes For installation in connection pieces The diameter of the boss d must be at least 60 mm fig 6 2 The height of the boss h must not exceed 40 mm fig 6 2 Although the unit can be install...

Page 16: ...ia Installation in bypass or still pipe see fig 6 5 Separation of the installation location by metal sheets perforated sheets without figure Min diameter of the bypass and still pipe d 100 The upper access to the steady area fig 6 5 A B has to be above the maximum level The lower access fig 6 5 C D or the area with perforated sheet etc has to be below the minimum level This ensures that neither fo...

Page 17: ...10 mm The vent hole A must not be covered by mounting elements or similar Do not install the unit in the immediate vicinity of a fill opening No water jets must enter into the holes of the coaxial pipe A B 10 mm Note in case of foam formation the vent of the coaxial pipe must be above the maximum level The lower edge of the coaxial pipe must be below the minimum level ...

Page 18: ... connection can be rotated without restriction Even if rotated several times there is no risk of damage to the unit 6 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 compound Substances such as screw retaining compounds may migrate into the medium Make sure that they are harmless When using mechanic...

Page 19: ...can be shortened 6 3 2 Screw the rod to the unit and tighten it Recommended tightening torque 4 Nm Slide the sensor seal A onto the thread Slide the coaxial pipe B onto the rod Carefully centre it and carefully move the rod through the centring piece C for lengths 140 cm through both centring pieces of the coaxial pipe Do not damage the centring pieces Screw onto the sensor thread and tighten A C ...

Page 20: ...an occur Proceed as follows Screw the rod to the unit Mark the desired length L on the rod The reference point is the lower edge of the process connection Remove the rod from the unit Shorten the rod at the mark Remove all burrs and sharp edges Screw the rod to the unit again and tighten it Recommended tightening torque 4 Nm Precisely measure the probe length L note the value It must be entered du...

Page 21: ...on the right Deduct 9 mm from the total length of the coaxial pipe LK 9 mm L Note down L It must be entered during parameter setting of the unit 10 2 6 4 Installation of the unit with single probe For the correct function when used 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 T...

Page 22: ...nvironment fig 6 7 Avoid non flush installation fig 6 8 Use seals or washers D in fig 6 9 to reach the required height For tanks with thick walls arrange for sufficiently deep recesses to ensure flush installation 6 4 2 Installation in closed metal tanks with flange plate Flange plates are not supplied They must be ordered separately 3 Items supplied Fig 6 10 Fig 6 11 d R A B ...

Page 23: ...k is under pressure Tighten the fixing screws sufficiently Screw the unit into the flange plate using the process connection and tighten firmly Make sure that the supplied sensor seal A in fig 6 11 is correctly positioned 6 4 3 Installation in open tanks For installation in open tanks use a metal fixture to install the unit It serves as a launching plate R minimum size 150 x 150 mm for a square fi...

Page 24: ...80 mm between rod and tank wall higher for probe lengths 70 cm and in case of heavy soiling 6 1 1 When installed in plastic tanks there may be deterioration caused by electromagnetic interference Corrective measures 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 fr...

Page 25: ...ted 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 Disconnect power Connect the unit as follows 4 1 3 2 OUT2 L L OUT1 IO Link 4 2 1 3 Pin Connection Core colours for ifm sockets 1 Ub brown 3 Ub blue 2 OUT2 analogue output white 4 OUT1 PNP switching output IO Link bl...

Page 26: ...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 incremental by pressing once Change between cm inch indication and percent indication in the normal operating mode Run mode 11 Mode...

Page 27: ...27 UK 9 Menu 9 1 Menu structure M M S M S M M S M M S M M S M M S M M S M M S M M S M M S M M S M M S M M M S cm inch S S 15s M S M M M S M M S M M S M M S ...

Page 28: ...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 dFo Delay time for the outputs to pass into the safe state ASP Analogue start point for level Measured value at which the analogue start value is provided The analogue start point is set with parameter OU2 AEP Analogue end point for level Measured value at which the analogue...

Page 29: ...or 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 display move to the maximum setting value Then the cycle starts again at the minimum setting value 3 Acknowledge parameter value Briefly press Mode Enter The parameter is displayed again The ne...

Page 30: ...vent unintentional settings Make sure that the unit is in the normal operating mode Press Mode Enter Set for 10 s Loc is displayed During operation Loc is briefly displayed if you try to change parameter values For unlocking Press Mode Enter Set for 10 s uLoc is displayed On delivery not locked Timeout If no button is pressed for 15 s during parameter setting the unit returns to the operating mode...

Page 31: ... 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 Select Prob press Set for 5 s 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 pr...

Page 32: ...ts shift by the value of the set offset 10 5 Setting of output signals 10 5 1 Setting of the output function for OUT 1 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 c...

Page 33: ...ale the analogue signal Select ASP and set the analogue start point 5 2 3 Select AEP and set the analogue end point 5 2 3 10 5 7 Response of the outputs in case of a fault Select FOU1 FOU2 and set the value on output switches ON in case of a fault Analogue output switches on 20 mA 10 V in case of a fault OFF switching output switches OFF in case of a fault Analogue output switches on 4 mA 0 V in c...

Page 34: ...robes or 6 3 3 coaxial probes Briefly press Mode Enter Note After 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 Select MEdI 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 m...

Page 35: ...ically locked parameter setting impossible For unlocking press the two setting buttons for 10 s uLoc Unit is unlocked parameter setting is possible again S Loc If S Loc is displayed when an attempt is made to modify a parameter value either an IO Link communication is active temporary locking or the sensor is permanently locked via software This locking can only be removed with a parameter setting...

Page 36: ...ess connection carry out a reset Installation conditions were not adhered to Observe the notes in Installation 6 Probe length type of probe or sensitivity setting to the medium is incorrect Correct the settings 10 2 then carry out a reset E 034 Atypical abrupt level changes Check the dynamics if necessary use a still pipe or bypass then carry out a reset SC1 Flashing short circuit in switching out...

Page 37: ...5 0 2 The setting ranges for the switching limits SP1 rP1 FH1 FL1 depend on the probe length L In general the following applies cm inch min max min max SP1 FH1 1 5 3 5 L 3 0 6 1 4 L 1 2 rP1 FL1 1 0 3 0 L 3 5 0 4 1 2 L 1 4 Step increment 0 5 0 2 The values apply if OFS 0 The values in brackets apply to the setting MEdI LOW setting for the detection of oils and oil based media rP1 is always lower th...

Page 38: ...OW setting for the detection of oils and oil based media 13 Servicing Keep the process connection free of deposits and foreign bodies 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 Remove separation layers at regular inte...

Page 39: ...Fo 0 ASP 1 0 3 0 AEP AEPmax Uni cm SELd L LEnG nonE MEdI nonE Prob nonE SP FHmax AEPmax 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 MEdI LOW setting for the detection of oils and oil based media More information at www ifm com ...

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