1 Preliminary note Instructions, technical data, approvals, accessories and further information at www�ifm�com� 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�...
• 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� • The unit complies with the standards EN 61000-6-4 and EN 61000-6-2� The unit may cause radio interference in domestic areas�...
4 Getting started For fast set-up, carry out the following steps: 1� Fix the unit to the tank using adhesive tape (→ 6 Installation)� 2� Connect the unit to an IO-Link master (→ documentation of the IO-Link master / software used). 3�...
5 Function 5.1 Measuring principle The unit determines the level according to the capacitive measuring principle: • An electrical field is generated and influenced by the medium to be detected� This change to the field causes a measurement signal that is electronically evaluated�...
The IODDs necessary for the configuration of the unit, detailed information about process data structure, diagnostic information, parameter addresses and the necessary information about the required IO-Link hardware and software can be found at www�ifm�com� 5.4 Adjustments Before the sensor is used, it must be adjusted� Different application adjustments...
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• Empty adjustment After fixing the unit to the tank, this adjustment is carried out to suppress the environment� No medium to be detected must be in the detection range� If only an empty teach is carried out, the sensor operates independently of the medium�...
5.5 Switching outputs The unit has 3 physical switching outputs that can be configured differently (→ 10.2.4)� Description Setting Switching output only responds to events [FOUx] = ON or OFF / faults [OUx] = diagnostic output Switching output responds to process value [FOUx] = ON or OFF and possibly existing events / faults Switching output only responds to process...
In this example, the index of the level edge has the value 3� Fig� 2: Index of level edge 1: Medium 2: Orientation: connector at bottom 3: Orientation: connector on top The zero electrode is always at the bottom, independent of the sensor's orientation�...
5.6.3 Filling edge sharpness Relates to the sharpness of the edge of the level in a value range from 0 to 100� If no edge of the level could be detected, the substitute value "0xFF" is provided� A low value can for example indicate an uneven filling edge� High edge sharpness Low edge sharpness Fig�...
As a rule, the internal temperature does not correspond to the ambient temperature due to the internal heating of the unit� 5.8 Switching cycles counters The number of switching cycles can be read or reset if the switching output has been configured accordingly�...
5.11 Detection of deposits The unit can detect deposits in the measuring range building up gradually and signals these via the event "Maintenance required - Cleaning" (→ 11.3.3)� Requirements: • Empty and full adjustment available (→ 8.1.4) • Signal strength ≤ 15 (→ 10.2.3) •...
6 Installation If the sensor is installed in a metal tank with a non-metal window, the following installation conditions are to be noted in order to ensure correct operation: Fig� 5: Installation distances to metal objects If the device is installed with the cable facing upwards, the parameter [Orientation] must be set to "Connector on top"...
6.1 Installation of several sensors Several units can be mounted head to head or so that they overlap� Fig� 6: Installation of several sensors Adapt the parameter [Orientation] according to the installation direction�...
6.2 Installation on bypass pipes Using the E12676 mounting adapter, the unit can be mounted on bypass pipes with a circular cross section� To ensure correct mounting, the external diameter of the bypass pipe should be between 5 and 25 mm� Fig�...
6.3 Installation on the tank The unit can be attached to tank walls by means of double-sided adhesive tape (available as accessory E12677). Using different adhesive tape may lead to the unit detaching from the tank and is done at your own risk� The adhesive tape used must not contain any conductive material�...
6.4 Installation on exchangeable tanks For exchangeable tanks, the back of the unit can be screwed to the tank using the E12675 mounting adapter and an M6 screw� One screwing point per adapter� Fig� 9: Installation on exchangeable tanks Maintain a constant distance between sensor and tank�...
6.5 Notes on tank adjustment • During set-up or a after replacement of the unit, a tank adjustment must be carried out� • If only an empty adjustment has been carried out, the adjustment should be repeated when the sensor is removed from the tank and reinstalled� •...
8 Set-up On delivery the unit is not operational� First an application adjustment must be carried out� After installation and electrical connection, the configuration of the unit can be changed and adjustments can be carried out� Changing one of the following parameters will reset the application adjustment (→...
8.1.2 Full adjustment ► Fill the tank until the level is at least 20 mm above the set detection range� ► Click on [Adjust full tank] (→ 10.3.1)� > If no IO-Link error occurs, the adjustment was successful� > Event [Parameter missing] is not indicated any more� >...
► Click on [Adjust full tank] > If no IO-Link error occurs, the adjustment was successful� ► Check whether the unit operates correctly� 8.1.5 Adjustment of the switch points Besides the configuration of the switch points via the corresponding parameters (→...
► Connect the unit with the IO-Link master� ► Follow the menu of the IO-Link software� > Without ifm software: parameter setting according to the IODD PDF� ► Set the parameters� ► Check if the parameter setting was accepted by the unit� If necessary, read sensor again�...
Parameter Value range Description Limitation of the sensor 0���10 Deactivates sensor elements from the elements� Bottom bottom� Limitation of the sensor 0���10 Deactivates sensor elements from elements� Top the top� Minimum recognition 64���4030 Minimum threshold above which the threshold level can be detected� Damping of the 0���3600 s Sets the damping of the process...
10.2.4 Configuration of the switching outputs With the exception of parameter [P-n], all outputs can be configured separately� Parameter Value range Description PNP (0), Output polarity for the NPN (1) switching outputs FOUx OU (1), Response of OUTx in case On (2), of a fault�...
10.3 Commands 10.3.1 Adjustment of the sensor Command Description Adjust empty tank Carries out the empty adjustment of the sensor� The environment is suppressed� Adjust full tank Carries out the full adjustment of the sensor� The environment is suppressed� Start dynamic tank Starts the dynamic adjustment�...
10.3.3 Other commands Command Description Resets the minimum value memory of the process value Reset [Lo] memory (→ 10.2.5)� Resets the maximum value memory of the process value Reset [Hi] memory (→ 10.2.5)� Reset [Hi] and [Lo] Resets the maximum and minimum value memories of the memory process value (→...
Event Device status Description No fault Unit is OK (0) The unit functions correctly� The event [Maintenance required - Cleaning] is only provided if a full adjustment as well as an empty adjustment have been carried out� If this is not the case, no event is provided, even if there are deposits�...
11.2 Deviation between process value and level Description Troubleshooting The level indicated is too ► Check whether the event [Signal fault] is provided, if low, although the level is applicable, carry out the instructions in (→ 11.3.1)� within the measuring range ►...
11.2.1 Evaluate the index of the level edge Index of level edge Troubleshooting • The substitute value ► Increase the sensitivity of the sensor (→ 10.2.1)� "255" is provided� ► Check the [Minimum recognition threshold] and reduce it Reason: the measured or reset it to factory setting (→...
11.3 Events 11.3.1 Signal fault Event only occurs if at least one application adjustment has been carried out� Description Troubleshooting Possible causes: If an empty adjustment has been carried out: • Measured capacitances ► Check whether the unit has detached from the tank wall� are below the values of ►...
11.3.3 Maintenance required - Cleaning The event only occurs if a full adjustment and an empty adjustment have been carried out and the signal strength is at least 15 (→ 10.2.3)� For applications with a lower signal strength, the unit cannot provide warnings of deposits�...
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