IFM Electronic LR8009 Operating Instructions Manual
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IFM Electronic LR8009 Operating Instructions Manual

IFM Electronic LR8009 Operating Instructions Manual

Electronic level sensor
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Operating instructions
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Electronic level sensor
LR8009

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Summary of Contents for IFM Electronic LR8009

  • Page 1 Operating instructions Electronic level sensor LR8009...

  • Page 2: Table Of Contents

    LR8009 Electronic level sensor Contents Preliminary note .............
  • Page 3 Electronic level sensor LR8009 9.7.6 Setting response of the outputs in case of a fault ......30 9.7.7...

  • Page 4: Preliminary Note

    LR8009 Electronic level sensor 1 Preliminary note You will find instructions, technical data, approvals and further information using the QR code on the unit / packaging or at www.ifm.com. 1.1 Symbols used Requirement Instructions Reaction, result [...] Designation of keys, buttons or indications...

  • Page 5: Safety Instructions

    Electronic level sensor LR8009 2 Safety instructions • The unit described is a subcomponent for integration into a system. – The system architect is responsible for the safety of the system. – The system architect undertakes to perform a risk assessment and to create documentation in accordance with legal and normative requirements to be provided to the operator and user of the system.

  • Page 6: Intended Use

    • Mounting material (if necessary, a launching plate) Ò Accessories. • 3.1 Accessories Only use accessories from ifm electronic gmbh. The function is not ensured when using components from other manufacturers. The following components are available as accessories: Rods Length (cm)

  • Page 7: Operation With Single Probe

    Electronic level sensor LR8009 Coaxial pipes with ¾“ NPT process connection Length (cm) Order number E43218 E43219 E43220 E43223 E43224 E43221 Flange plates Size / process connection Order number 73 - 90 / G¾ E43201 65 - 80 / G¾...

  • Page 8: Restriction Of The Application Area

    LR8009 Electronic level sensor 3.4.1 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.

  • Page 9: Function

    Electronic level sensor LR8009 4 Function This unit has an IO-Link communication interface which enables direct access to process and diagnostic data. In addition it is possible to set the parameters of the unit while it is in operation. Operation of the unit via the IO-Link interface requires an IO-Link master.

  • Page 10: Offset For Indicating The Real Level In The Tank

    LR8009 Electronic level sensor • Hysteresis function / normally closed (Fig. Window function): [OUx] = [Hnc]. First the switch point (SPx) is set, then the switch-off point (rPx) with the requested difference. • Window function / normally open (Fig. Hysteresis function): [OUx] = [Fno].

  • Page 11: Binary Mode

    Electronic level sensor LR8009 4.7 Binary mode In the binary mode the outputs OUT1...OUT4 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.

  • Page 12: Installation

    LR8009 Electronic level sensor 5 Installation Vertical installation from the top is preferred. 5.1 Device with single probe For a safe function, the device requires a launching plate. The following minimum distances between the rod and tank walls, objects in the tank (B), tank bottom...
  • Page 13 Electronic level sensor LR8009 Fig. 5: Installation on a pipe Fig. 6: Installation in a boss Although the device can be installed in a boss: installation in a flat tank lid is recommended, as a boss will impede the distribution of the microwaves.

  • Page 14: Device With Coaxial Probe

    LR8009 Electronic level sensor Min. diameter bypass and still pipe Upper access to the steady area Upper access to the steady area Lower access to the steady area Lower access to the steady area 5.2 Device with coaxial probe • No minimum distances to the tank wall and structures in the tank (B) are required.

  • Page 15: Installation Of The Coaxial Pipe

    Electronic level sensor LR8009 Substances such as screw retaining compounds may migrate into the medium. u 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.

  • Page 16: Determination Of The Probe Length L When Coaxial Probes Are Used

    LR8009 Electronic level sensor u Remove the fastening bracket and the centring piece (A, B). u Shorten the coaxial pipe to the requested length: L = L + 9 mm. u After shortening, at least one hole (C) for insertion of the fixing bracket has to be left.

  • Page 17: Installation In Closed Metal Tanks (With Flange Plate)

    Electronic level sensor LR8009 u Avoid non-flush installation. u If necessary, use seals or washers (D) to reach the required height. u For tanks with thick walls arrange for sufficiently deep recesses to ensure flush installation. 5.5.2 Installation in closed metal tanks (with flange plate) Flange plates are not supplied.

  • Page 18: Installation In Open Tanks

    LR8009 Electronic level sensor 5.5.3 Installation in open tanks u For installation in open tanks, use a metal fixture to install the device. It serves as a launching plate (R); minimum size: 150 x 150 mm for a square fixture, 150 mm diameter for a circular fixture: (Ò...

  • Page 19: Alignment Of The Sensor Housing

    Electronic level sensor LR8009 • For pipes with ¾" NPT process connection: apply a suitable sealing material (e.g. Teflon tape). u Screw the device with the coaxial pipe into the tank and tighten it. 5.7 Alignment of the sensor housing After installation, the sensor housing can be aligned. It can be rotated without restriction. Even if...

  • Page 20: Electrical Connection

    LR8009 Electronic level sensor 6 Electrical connection The device must be connected by a qualified electrician. The national and international regulations for the installation of electrical equipment must be adhered to. Supply voltage SELV, PELV according to the technical data sheet.

  • Page 21: Operating Elements And Display Elements

    Electronic level sensor LR8009 7 Operating elements and display elements Mode/Enter 1 to 8: Indicator LEDs LED 1 green = indication of the level in cm. LED 2 not used. LED 3 green = indication of the level in % of the final value of the measuring range.

  • Page 22: Menu

    LR8009 Electronic level sensor 8 Menu 8.1 Menu structure / switching mode (bin = OFF) 15,0 14,5 20,0 10,0 19,5 ---- SELd 24,0 LEnG FOU1 MEdI HIGH FOU2 Prob COAx FOU3 24.0 FOU4 HIGH...

  • Page 23: Menu Structure / Switching Mode (Bin = On)

    Electronic level sensor LR8009 8.2 Menu structure / switching mode (bin = on) ---- FOU1 FOU2 FOU3 FOU4 SELd 24.0 LEnG HIGH MEdI Prob COAX 8.3 Explanation of the menu SP1/rP1 Upper / lower limit value for the level at which OUT1 switches.
  • Page 24 LR8009 Electronic level sensor Switch-off delay for OUT4: The menu item is only active if OU4 = Hno or Hnc. FOUx Response of OUTx in case of a fault. Delay time for switching response OUTx. Output polarity for the switching outputs (PnP or nPn).

  • Page 25: Parameter Setting

    Electronic level sensor LR8009 9 Parameter setting The parameters can be set via the buttons on the device or the IO-Link interface. During parameter setting the device remains in the operating mode internally. It continues its monitoring functions with the existing parameters until the parameter setting has been completed.
  • Page 26 LR8009 Electronic level sensor w The numerical values are incremented continuously. For reducing the value: u Let the display move to the maximum setting value. Then the cycle starts again at the minimum setting value. 3: Acknowledge parameter value u Briefly press [Mode/Enter].

  • Page 27: Basic Settings (On Delivery)

    Electronic level sensor LR8009 u Make sure that the device is in normal operating mode. u Press [Mode/Enter] + [Set] simultaneously for 10 s. w [Loc] is displayed. [Loc] is briefly displayed if you try to change parameter values. Unlocking: uLoc u Press [Mode/Enter] + [Set] simultaneously for 10 s.

  • Page 28: Setting To The Medium

    LR8009 Electronic level sensor 9.3.2 Setting to the medium u Select [MEdI], press [Set] for 5 s. [MEdI] w [nonE] is displayed. u Set the requested value: • [HIGH] for water and water-based media. • [LOW] for oils and oil-based media.

  • Page 29: Configuring The Display

    Electronic level sensor LR8009 9.5 Configuring the display u Select [SELd] and set type of indication: [SELd] • [L] = The level is indicated in cm. • [L%] = The level is indicated in percent of the final value of the measuring range.

  • Page 30: Setting The Switch-Off Delay

    LR8009 Electronic level sensor 9.7.4 Setting the switch-off delay u Select [dr1]…[dr4] and set the value between 0.2 and 60 s. [dr1] 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 [dr4] Hnc).

  • Page 31: Setting To Another Medium

    Electronic level sensor LR8009 9.9.2 Setting to another medium u Select [MEdI] and set the value: [MEdI] • [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 medi- 9.9.3 Changing the value of the type of probe used...

  • Page 32: Operation

    LR8009 Electronic level sensor 10 Operation After power-on and expiry of the power-on delay time of approx. 0.5 s 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.

  • Page 33: Output Response In Different Operating States

    Electronic level sensor LR8009 Indication Possible cause Recommended actions [E.033] Rod or process connection soiled. Clean the rod and the process connection, then carry out a reset.* Installation conditions were not adhered to. Observe the notes in "Installation". Probe length, type of probe or sensitivity (setting to Correct the settings, then carry out a reset.*...

  • Page 34: Repair, Maintenance And Disposal

    LR8009 Electronic level sensor 11 Repair, maintenance and disposal u After use dispose of the unit in an environmentally friendly way in accordance with the applicable national regulations. u For transport only use appropriate packaging to avoid damage of the unit.

  • Page 35: Applications

    Electronic level sensor LR8009 12 Applications 12.1 Storage tank / level monitoring Level monitoring with evaluation in the binary mode • Menu setting: bin = on. • The settings for SPx, rPx, drx and OUx are not effective. OUT4 OUT3 OUT2 OUT1 XX.X:...
  • Page 36 LR8009 Electronic level sensor OUT1 OUT2 OUT3 OUT4 XX.X: display value • 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 is reset (OFF) (alarm message "overflow / wire break").

  • Page 37: Factory Setting

    Electronic level sensor LR8009 13 Factory setting Factory setting User settings 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...

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