IFM Electronic LR3000 Operating Instructions Manual

IFM Electronic LR3000 Operating Instructions Manual

Electronic level sensor
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Operating instructions
Electronic level sensor
UK
LR3000

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Summary of Contents for IFM Electronic LR3000

  • Page 1 Operating instructions Electronic level sensor LR3000...
  • 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 ����������������������������������������������������������������������������������������7 4�1 Operation with single probe ���������������������������������������������������������������������������7 4�2 Operation with coaxial probe �������������������������������������������������������������������������7 4�3 Applications ���������������������������������������������������������������������������������������������������8 4�3�1 Restriction of the application area ��������������������������������������������������������8 5 Function ���������������������������������������������������������������������������������������������������������������9 5�1 Measuring principle ���������������������������������������������������������������������������������������9 5�2 Features of the unit ��������������������������������������������������������������������������������������10...
  • Page 3 6�4�2 Installation in closed metal tanks (with flange plate) ��������������������������22 6�4�3 Installation in open tanks ��������������������������������������������������������������������23 6�4�4 Installation in plastic tanks ������������������������������������������������������������������24 6�5 Installation of the unit with coaxial probe in the tank �����������������������������������24 6�6 Alignment of the sensor housing �����������������������������������������������������������������25 7 Electrical connection ������������������������������������������������������������������������������������������25 8 Operating and display elements ������������������������������������������������������������������������26 9 Menu ������������������������������������������������������������������������������������������������������������������27...
  • Page 4: Preliminary Note

    11�3 Changing the display unit in the Run mode �����������������������������������������������35 11�4 Error indications �����������������������������������������������������������������������������������������36 11�5 Output response in different operating states ��������������������������������������������37 12 Technical data and scale drawing ��������������������������������������������������������������������37 12�1 Setting ranges ������������������������������������������������������������������������������������������37 13 Servicing ����������������������������������������������������������������������������������������������������������38 14 Factory setting �������������������������������������������������������������������������������������������������39 1 Preliminary note 1.1 Symbols used ►...
  • Page 5: Items Supplied

    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 • Operating instructions In addition, the following is necessary for installation and operation: •...
  • Page 6 The following components are available as accessories: Rods Length (cm / inch) Order number 15 / 5�9 E43225 24 / 9�5 E43203 30 / 11�8 E43226 45 / 17�7 E43204 50 / 19�7 E43227 70 / 27�6 E43205 100 / 39�4 E43207 120 / 47�2 E43208...
  • Page 7: Functions And Features

    Only use rods and coaxial pipes from ifm electronic gmbh� The optimum function is not ensured when using components from other manufacturers� 4 Functions and features The unit continuously detects the level in tanks and generates output signals according to the parameter settings�...
  • Page 8: 4�3 Applications

    4.3 Applications • Water, water-based media • Oils, oil-based media (only for operation with coaxial probe) 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) 4.3.1 Restriction of the application area Incorrect measurements or signal loss may be caused by the following...
  • Page 9: Function

    • In case of operation with coaxial probe: not suitable for soiled or viscous media and media prone to formation of deposit� Maximum viscosity: 500 mPa · s� 5 Function 5.1 Measuring principle Fig. 5-1 Fig. 5-2 The unit operates to the principle of guided wave radar� It measures the level using electromagnetic pulses in the nanosecond range�...
  • Page 10: 5�2 Features Of The Unit

    5.2 Features of the unit 5.2.1 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� Then the unit is ready for operation. (→ 10.2). •...
  • Page 11 Curve of the analogue signal (factory setting): I / U 20 mA /10 V 4 mA / 0 V L: level; A: active zone; I1: inactive zone 1; I2: inactive zone 2 (→ Technical data sheet); ①: [OU1] = [I] / [U]; ②: [OU2] = [InEG] / [UnEG]. Curve of the analogue signal (measuring range scaled): I / U 20 mA /10 V...
  • Page 12: 5�2�4 Switching Functions

    5.2.4 Switching functions The unit signals via the switching output (OUT1) that a set limit value has been reached or that the level is below the limit value� For each output the following switching functions can be selected: • Hysteresis function / normally open (fig� 5-3): [OU1] = [Hno]� •...
  • Page 13: 5�2�6 Probes For Different Tank Heights

    5.2.6 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 14: Installation

    Device-specific information You will find the IODDs necessary for the configuration of the IO-Link unit and detailed information about process data structure, diagnostic information and parameter addresses at www�ifm�com/gb/io-link� Parameter setting tools You will find all necessary information about the required IO-Link hardware and software at www�ifm�com/gb/io-link�...
  • Page 15 • For probe lengths > 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: Probe length Distance to the tank wall or structures in the tank 70���100 cm...
  • Page 16 the fill pipe and the rod = 50 mm; higher for probe lengths > 70 cm and in case of heavy soiling (→ 6.1.1). Fig. 6-3 Fig. 6-4 50mm To avoid incorrect measurements in case of heavy foam formation and turbulence: ►...
  • Page 17: 6�1�2 Unit With Coaxial Probe

    Fig.: 6-5 6.1.2 Unit with coaxial probe • No minimum distances to the tank wall and the baffles (B) are required� • Minimum distance to the bottom of the tank: 10 mm� • The vent hole (A) must not be covered by mounting elements or similar�...
  • Page 18: 6�2 Installation Of The Probe

    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: ► Screw the rod to the unit and tighten it� Recommended tightening torque: 4 Nm�...
  • Page 19: 6�2�2 Installation Of The Coaxial Pipe

    6.2.2 Installation of the coaxial pipe This subchapter is only relevant if the unit is to be operated with a coaxial probe� The coaxial pipe and the rod must be of the same end length� The coaxial pipe can be shortened (→ 6.3.2). ►...
  • Page 20: 6�3 Shortening Of The Probe

    6.3 Shortening of the probe 6.3.1 How to shorten the rod and to determine its length L The rod can be shortened to adapt the probe to different tank heights� 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 10 cm�...
  • Page 21: 6�3�3 Determination Of The Rod Length L When Coaxial Probes Are Used

    Fig.: 6-6 ► Remove fastening bracket and centring piece (A, B)� ► Shorten the coaxial pipe to the requested length: L = L + 9 mm� ► After shortening, at least one hole (C) for insertion of the fixing bracket has to be left�...
  • Page 22: 6�4�1 Installation In Closed Metal Tanks (Without Flange Plate)

    6.4.1 Installation in closed metal tanks (without flange plate) Fig.: 6-7 Fig.: 6-8 Fig.: 6-9 ► The lower edge of the process connection should be flush with the installation environment (fig� 6-7)� ► Avoid non-flush installation (fig� 6-8)� ► Use seals or washers (D in fig� 6-9) to reach the required height� ►...
  • Page 23: 6�4�3 Installation In Open Tanks

    ► 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 (fig� 6-10)� The diameter depends on the wall thickness of the tank lid: Wall thickness [mm] 1���5 5���8...
  • Page 24: 6�4�4 Installation In Plastic Tanks

    ► Use seals or washers (see D in fig� 6-9) to reach the required height� 6.4.4 Installation in plastic tanks 150 mm To enable sufficient transfer of the measured signal, note in case of installation in plastic tanks or metal tanks with plastic lid: ►...
  • Page 25: 6�6 Alignment Of The Sensor Housing

    - For pipes with ¾“ NPT process connection: Apply a suitable sealing material (e�g� Teflon tape)� ► Screw the unit with the coaxial pipe into the tank and tighten it� 6.6 Alignment of the sensor housing After installation, the sensor housing can be aligned� it can be rotated without restriction�...
  • Page 26: 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� - LED 3: green = indication 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�...
  • Page 27: Menu

    9 Menu 9.1 Menu structure cm inch S...
  • Page 28: 9�2 Explanation Of The Menu

    9.2 Explanation of the menu SP1/rP1 Upper / lower limit value for the level at which OUT1 switches� FH1/FL1 Upper / lower limit for the acceptable range (monitored by OUT1)� Output function for OUT1: switching signal for level limit value� Hysteresis or window function, normally closed or normally open Output function for OUT2: Analogue signal for the current level, 4…20 mA / 0���10 V or...
  • Page 29: Parameter Setting

    10 Parameter setting During parameter setting the unit remains in the operating mode internally� It continues to monitor with the existing parameters until the parameter setting has been completed� 10.1 Parameter setting in general 3 steps must be taken for each parameter setting: Select parameter ►...
  • Page 30 • Change from menu level 1 to menu level 2: ► Press [Mode/Enter] until [EF] is displayed. Mode/Enter Set ► Briefly press [Set]� > The first parameter of the submenu is Mode/Enter Set displayed (here: [res])� • Locking / unlocking The unit can be locked electronically to prevent unintentional settings�...
  • Page 31: 10�2 Basic Settings (Unit On Delivery)

    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� Malfunctions may occur if wrong basic settings are entered� 10.2.1 Entering the probe length ►...
  • Page 32: 10�3 Configuration Of The Display

    10.3 Configuration of the display ► Select [Uni] and set the unit of measurement: [cm], [inch]� Factory setting: cm� ► 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 measuring range�...
  • Page 33: 10�5�4 Setting Of The Switch-Off Delay For Out1

    ► 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 the value for FH1� 10.5.4 Setting of the switch-off delay for OUT1 ► Select [dr1] and set the value between 0�2 and 60 s� At 0�0 (= factory setting) the delay time is not active�...
  • Page 34: 10�6 Reset All Parameters To Factory Setting

    10.6 Reset all parameters to factory setting ► Select [rES], then press [Set] and keep it pressed until [----] is displayed� ► Briefly press [Mode/Enter]� > The unit reboots and the factory settings are restored� Note: On delivery the unit is not operational� First, the basic settings must be entered →...
  • Page 35: 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 Numerical value + LED 1 Current level in cm�...
  • Page 36: 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 unit; Check whether the probe is still [E�031] possibly incorrect setting of the attached to the unit� probe length� Check the parameter [LEnG]� Measurement disturbed by •...
  • Page 37: 11�5 Output Response In Different Operating States

    11.5 Output response in different operating states OUT1 OUT2 Initialisation according to the level and according to the level and Normal operation OU1 setting OU2 setting OFF for FOU1 = OFF; 4 mA / 0 V for FOU2 = OFF Fault (E�0xx) ON for FOU1 = on 20 mA / 10 V for FOU2 = on...
  • Page 38: Servicing

    The setting ranges for analogue start point (ASP) and analogue end point (AEP) depend on the probe length (L)� In general the following applies: inch 1�0 (3�0) 0�4 (1�2) L - 1�2 Step increment 0�5 0�2 Minimum distance between [ASP] and [AEP] = 25 % of the active zone� The values apply if [OFS] = 0�...
  • Page 39: Factory Setting

    14 Factory setting Factory setting User setting SP1 / FH1 100% SP/FHmax rP1 / FL1 100% rP/FLmax FOU1 FOU2 1.0 (3.0)* AEPmax SELd 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�...

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