IFM LR8010 Operating Instructions Manual

IFM LR8010 Operating Instructions Manual

Electronic level sensor
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Operating instructions
Electronic level sensor
UK
LR8010

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Summary of Contents for IFM LR8010

  • Page 1 Operating instructions Electronic level sensor LR8010...
  • Page 2: Table Of Contents

    Contents 1 Preliminary note ���������������������������������������������������������������������������������������������������4 1�1 Symbols used ������������������������������������������������������������������������������������������������4 2 Safety instructions �����������������������������������������������������������������������������������������������4 3 Items supplied������������������������������������������������������������������������������������������������������5 4 Functions and features ����������������������������������������������������������������������������������������6 4�1 Operation with coaxial probe �������������������������������������������������������������������������6 4�2 Applications ���������������������������������������������������������������������������������������������������6 4�2�1 Restriction of the application area ��������������������������������������������������������7 5 Function ���������������������������������������������������������������������������������������������������������������8 5�1 Measuring principle ���������������������������������������������������������������������������������������8 5�2 Features of the unit ����������������������������������������������������������������������������������������8 5�2�1 Easy set-up �������������������������������������������������������������������������������������������8...
  • Page 3 9 Menu ������������������������������������������������������������������������������������������������������������������20 9�1 Menu structure ���������������������������������������������������������������������������������������������20 9�2 Password protection ������������������������������������������������������������������������������������21 10 Parameter setting ��������������������������������������������������������������������������������������������21 10�1 Parameter setting in general ���������������������������������������������������������������������22 10�2 Basic settings (unit on delivery) �����������������������������������������������������������������23 10�2�1 Enter probe length ����������������������������������������������������������������������������23 10�2�2 Setting to the medium �����������������������������������������������������������������������24 10�2�3 Configuration of the display ��������������������������������������������������������������24 10�3 Offset setting ����������������������������������������������������������������������������������������������24 10�4 Define overflow switch point (OP) �������������������������������������������������������������25 10�5 Set the output signals of the outputs OUT1���OUT3 ����������������������������������25...
  • Page 4: Preliminary Note

    1 Preliminary note 1.1 Symbols used ► Instruction > Reaction, result […] Designation of keys, buttons or indications → Cross-reference Important note Non-compliance may result in malfunction or interference� Information Supplementary note� CAUTION Warning of personal injury� > Slight reversible injuries may result� 2 Safety instructions •...
  • Page 5: Items Supplied

    There is a risk of burns� However, only overload will cause hot surfaces� 3 Items supplied • Level sensor LR8010 with integrated overflow prevention according to WHG* • Operating instructions In addition, the following is necessary for installation and operation: •...
  • Page 6: Functions And Features

    4 Functions and features The unit continuously detects the level of liquids in tanks and generates output signals according to the parameter settings�4 switching outputs are available: • 3 freely programmable switching outputs (NC / NO) • 1 switching output for overflow prevention according to WHG* (NC) * Building authority approval according to the German Federal Water Act (WHG)�...
  • Page 7: 4�2�1 Restriction Of The Application Area

    4.2.1 Restriction of the application area 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)� ►...
  • Page 8: Function

    5 Function 5.1 Measuring principle Fig. 5-1 Fig. 5-2 The unit operates on the principle of guided wave radar� It measures the level using electromagnetic pulses in the nanosecond range� The pulses are transmitted by the sensor head and guided along the probe (Fig�...
  • Page 9: 5�2�2 Display Functions

    • The unit can be locked electronically (electronic lock) to prevent unintentional settings (→ 10.1)� In addition, the sensor can be protected by a password as an option(→ 5.3)� 5.2.2 Display functions The unit displays the current level, either in cm, inch or in percent of the final value of the measuring range�...
  • Page 10: 5�2�4 Offset For Indicating The Real Level In The Tank

    • Window function / normally open (Fig� 5-4): [OUx] = [Fno]� • Window function / normally closed (Fig� 5-4): [OUx] = [Fnc]� The width of the window can be set by means of the difference between FHx and FLx� FHx = upper value, FLx = lower value� Fig.
  • Page 11: 5�2�5 Probes For Different Tank Heights

    5.2.5 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� •...
  • Page 12: 5�2�7 Io-Link Function

    IO-Link hardware and software can be found at www�ifm�com� 5.3 Password protection against inadvertent manipulation As an option, the sensor can be protected by a password against inadvertent manipulation and unauthorised changes�...
  • Page 13: 6�1�1 Coaxial Probe

    6.2 Probe installation Probe and coaxial pipe are not included in the scope of delivery� They must be ordered separately� Available accessories: www�ifm�com 6.2.1 Attaching the probe Fixing of the probe: ► Screw the probe to the unit and tighten�...
  • Page 14: 6�2�2 Installation Of The Coaxial Pipe

    Substances such as glue or screw retaining compounds might migrate into the medium� Therefore, make sure that they are harmless! When using mechanical means of securing, protruding edges must be avoided� They may cause interference reflection� 6.2.2 Installation of the coaxial pipe The coaxial pipe and the probe must be of the same length�...
  • Page 15: 6�3 Shortening Of The Probe

    6.3 Shortening of the probe The probe can be shortened to adapt to different tank heights� In that case, not only the probe but also the coaxial pipe needs to be shortened� 6.3.1 How to shorten the probe and to determine its length Ensure that the probe length is never below the minimum permissible probe length of 10 cm (L )! The unit does not support probe lengths below...
  • Page 16: 6�3�2 Shortening Of The Coaxial Pipe

    6.3.2 Shortening of the coaxial pipe The coaxial pipe and the probe must be of the same length: Fig. 6-1 ► Remove fastening bracket and centring piece (A, B)� ► Shorten the coaxial pipe to the requested length: L = L + 9 mm� ►...
  • Page 17: 6�5 Alignment Of The Sensor Housing

    6.4 Installation of the unit with coaxial probe in the tank There must be a fitting process connection (G¾) in the tank� ► Seal the process connection: slide the supplied seal onto the thread of the coaxial pipe� ► Screw the unit with the coaxial pipe into the tank and tighten it� Secure the screw connection between the coaxial pipe and the tank! For this purpose, the manufacturer recommends Loctite 270�...
  • Page 18: Electrical Connection

    ► Disconnect power� ► Connect the unit as follows: OUT2 OUT1 / IO-Link OUT3 OUT-OP Pin / connection Core colours for sockets according to for ifm sockets DIN 47100 brown white OUT2 (switching output 2) white brown blue green OUT1 / IO-Link (switching...
  • Page 19: Operating And Display Elements

    8 Operating and display elements 3 4 5 6 Mode/Enter 1 to 8: indicator LEDs LED 1 green Indication of the level in cm� LED 2 green Indication of the level in inch� Indication of the level in % of the final value of the measuring LED 3 green range�...
  • Page 20: Menu

    9 Menu 9.1 Menu structure inch KEy�C 1000 5�0 5�0 - - - - 4�5 4�5 0�0 0�0 10�0 10�0 0�0 9�5 9�5 FOU1 FOU2 FOU3 15�0 15�0 14�5 0�0 14�5 - - - - SELd LEnG 24�0 MEdI ---- HIGH CodE 1: Menu level 1...
  • Page 21: 9�2 Password Protection

    9.2 Password protection If the password protection is activated, the parameter [KEy�C] is displayed upon opening of the menu� Under this parameter, the password can be entered� When the password has been entered, there is full write and read access to all parameters�...
  • Page 22: 10�1 Parameter Setting In General

    10.1 Parameter setting in general 3 steps must be taken for each parameter setting: Select parameter ► Press [Mode/Enter] until the requested parameter is displayed. Mode/Enter Set Set parameter value ► Press [SET] and keep it pressed� > Current setting value of the Mode/Enter Set parameter flashes for 5 s�...
  • Page 23: 10�2 Basic Settings (Unit On Delivery)

    • Locking / unlocking The unit can be locked electronically to prevent unintentional settings: ► Make sure that the unit is in the normal operating mode� ► Press [Mode/Enter] + [Set] for 10 s� Mode/Enter Set > [Loc] is displayed� 10 s During operation: >...
  • Page 24: 10�2�2 Setting To The Medium

    10.2.2 Setting to the medium In case of doubt, carry out an application test to ensure the setting (HIGH or LOW) which is best for the medium to be measured� ► Select [MEdI], press [SET] for 5 s� > [nonE] is displayed� MEdl ►...
  • Page 25: 10�4 Define Overflow Switch Point

    10.4 Define overflow switch point (OP) Output OUT-OP is fixed to NC and has a fixed hysteresis of 10 mm� ► Select [OP] and a value at which output OUT-OP switches� 10.5 Set the output signals of the outputs OUT1...OUT3 10.5.1 Setting of the output function Output OUT-OP (overflow prevention) is fixed to NC [Hnc] for safety reasons�...
  • Page 26: 10�5�4 Setting Of The Switch-Off Delay

    10.5.4 Setting of the switch-off delay For output OUT-OP (overflow prevention) no switch-off delay can be set for safety reasons� ► Select [dr1] ��� [dr3] and set a value between 0�2 and 60 s�At 0�0 (= factory setting) the delay time is not active� The switch-off delay is only active if "hysteresis"...
  • Page 27: 10�5�9 Adjustment To The Medium To Be Detected

    ► Measure the total length L of the coaxial probe to a precision of ± 2 mm (± 0�1 inch) (→ 6.3.1 and → 6.3.2)� ► Deduct 9 mm from the measured value� L = L - 9 mm� LEnG ►...
  • Page 28: Operation

    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 according to the set parameters� 11.1 Operating indicators [----] continuous Initialisation phase after power on Numerical value + LED 1 Current level in cm�...
  • Page 29: 11�2 Read Set Parameters

    11.2 Read set parameters ► Briefly press [Mode/Enter] to scroll the parameters� ► Briefly press [Set] to indicate the corresponding parameter value for about 30 s� After another 30 s the unit returns to the Run mode 11.3 Changing the display unit in the Run mode (= switching between length indication (cm / inch) and percentage)�...
  • Page 30: 11�4 Error Indications

    11.4 Error indications Possible cause Recommended measures [E�000] Fault in the electronics� Replace the unit� Probe detached from the • Check if the probe - especially the inner probe - [E�031] unit; possibly incorrect is correctly screwed to the unit� setting of the probe length�...
  • Page 31: 11�5 Output Response In Different Operating States

    • ON for FOUx = on Overflow According to the level and the setting of prevention point the output function OU1���OU3 reached 12 Technical data and scale drawing Technical data and scale drawings at www�ifm�com� 13 Setting ranges [LEnG] inch Setting range 10���160 4�0���63 Step increment 0�5...
  • Page 32: Maintenance

    The setting ranges for the switching limits (SPx, rPx, FHx, FLx, OP) depend on the probe length (L): inch SPx / FHx 1�5 (3�5) L - 3 0�6 (1�4) L - 1�2 rPx / FLx 1�0 (3�0) L - 3�5 0�4 (1�2) L - 1�4 Step increment...
  • Page 33: Factory Setting

    15 Factory setting Factory setting User setting SP1 / FH1 25 % SP/FHmax rP1 / FL1 25 % rP/FLmax SP2 / FH2 50 % SP/FHmax rP2 / FL2 50 % rP/FLmax SP3 / FH3 75 % SP/FHmax rP3 / FL3 75 % rP/FLmax FOU1 FOU2...
  • Page 34 More information at www�ifm�com Building authority approval If the unit is used as overflow prevention with building authority approval according to the German Federal Water Act (WHG), please observe the corresponding chapter (= Technical description) of the documentation!

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