IFM LR3009 User manual

Operating instructions
Electronic level sensor
LR3009
11421233 / 0001 / 2022
GB

LR3009 Electronic level sensor
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Contents
1 Preliminary note ............................................................. 4
1.1 Symbols used.......................................................... 4
2 Safety instructions............................................................ 5
3 Intended use................................................................ 6
3.1 Accessories............................................................ 6
3.2 Operation with single probe................................................ 7
3.3 Operation with coaxial probe............................................... 7
3.4 Application area ........................................................ 7
3.4.1 Restriction of the application area . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
4 Function ................................................................... 9
4.1 Measuring principle...................................................... 9
4.2 Display functions........................................................ 9
4.3 Analogue function....................................................... 9
4.4 Switching function....................................................... 10
4.5 Offset for indicating the real level in the tank. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
4.6 Probes for different tank heights............................................ 11
4.7 Safe state............................................................. 11
5 Installation.................................................................. 12
5.1 Device with single probe.................................................. 12
5.2 Device with coaxial probe................................................. 14
5.3 Installation of the probe................................................... 14
5.3.1 Installation of the rod................................................. 14
5.3.2 Installation of the coaxial pipe.......................................... 15
5.4 Shortening of the probe................................................... 15
5.4.1 Shortening of the rod and determination of its length L . . . . . . . . . . . . . . . . . . . . . . . 15
5.4.2 Shortening of the coaxial pipe.......................................... 15
5.4.3 Determination of the probe length L when coaxial probes are used . . . . . . . . . . . . . 16
5.5 Installation of the device with single probe . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
5.5.1 Installation in closed metal tanks (without flange plate) . . . . . . . . . . . . . . . . . . . . . . . 16
5.5.2 Installation in closed metal tanks (with flange plate) . . . . . . . . . . . . . . . . . . . . . . . . . 17
5.5.3 Installation in open tanks.............................................. 18
5.5.4 Installation in plastic tanks............................................. 18
5.6 Installation of the device with coaxial probe in the tank . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
5.7 Alignment of the sensor housing............................................ 19
6 Electrical connection.......................................................... 20
7 Operating elements and display elements. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
8 Menu...................................................................... 22
8.1 Menu structure ......................................................... 22
8.2 Explanation of the menu.................................................. 22
9 Parameter setting............................................................ 24
9.1 IO-Link ............................................................... 24
9.2 Parameter setting in general............................................... 24
9.3 Basic settings (on delivery)................................................ 26
9.3.1 Entering the probe length ............................................. 26
9.3.2 Setting to the medium................................................ 27
9.3.3 Entering the type of probe used . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
9.4 Setting ranges.......................................................... 27
9.5 Configuring the display................................................... 28
9.6 Offset setting........................................................... 28
9.7 Setting the output signals................................................. 28
9.7.1 Setting the output function for OUT1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
9.7.2 Setting the switching limits (hysteresis function) . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
9.7.3 Setting the switching limits (window function) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
9.7.4 Setting the switch-off delay for OUT1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
9.7.5 Setting the output function for OUT2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
9.7.6 Setting the switching logic for the output . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29

Electronic level sensor LR3009
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9.7.7 Scaling the analogue signal ........................................... 29
9.7.8 Setting response of the outputs in case of a fault . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
9.7.9 Setting the delay time after signal loss . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
9.8 Resetting all parameters to factory setting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30
9.9 Changing basic settings .................................................. 30
9.9.1 Re-entering probe length ............................................. 30
9.9.2 Setting to another medium ............................................ 30
9.9.3 Changing the value of the type of probe used . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30
10 Operation .................................................................. 31
10.1 Operating indicators ..................................................... 31
10.2 Reading the set parameters ............................................... 31
10.3 Changing the display unit in the Run mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
10.4 Error indications ........................................................ 31
10.5 Output response in different operating states . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32
11 Repair, maintenance and disposal ............................................... 33
12 Factory setting .............................................................. 34

LR3009 Electronic level sensor
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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
Cross-reference
Important note
Non-compliance may result in malfunction or interference.
Information
Supplementary note

Electronic level sensor LR3009
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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. This documentation must contain all necessary information and safety instructions
for the operator, the user and, if applicable, for any service personnel authorised by the
architect of the system.
• Read this document before setting up the product and keep it during the entire service life.
• The product must be suitable for the corresponding applications and environmental conditions
without any restrictions.
• Only use the product for its intended purpose (Ò Intended use).
• If the operating instructions or the technical data are not adhered to, personal injury and/or damage
to property may occur.
• The manufacturer assumes no liability or warranty for any consequences caused by tampering with
the product or incorrect use by the operator.
• Installation, electrical connection, set-up, operation and maintenance of the product must be
carried out by qualified personnel authorised by the machine operator.
• Protect units and cables against damage.
• Only use the product for permissible media (Ò Technical data).
• The unit complies with the standard EN 61000-6-4 and is a class A product. The unit may cause
radio interference in domestic areas. If interference occurs, the user must take appropriate actions.