IFM KQ10 Series Operating Instructions Manual

IFM KQ10 Series Operating Instructions Manual

Capacitive level sensor
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Operating instructions
Capacitive level sensor
UK
KQ10xx

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Summary of Contents for IFM KQ10 Series

  • Page 1 Operating instructions Capacitive level sensor KQ10xx...
  • Page 2: Table Of Contents

    Content 1 Preliminary note ���������������������������������������������������������������������������������������������������4 1�1 Symbols used ������������������������������������������������������������������������������������������������4 2 Safety instructions �����������������������������������������������������������������������������������������������4 3 Functions and features ����������������������������������������������������������������������������������������5 3�1 Application area ��������������������������������������������������������������������������������������������5 3�2 Restriction of the application area �����������������������������������������������������������������5 4 Getting started �����������������������������������������������������������������������������������������������������6 5 Function ���������������������������������������������������������������������������������������������������������������7 5�1 Measuring principle ���������������������������������������������������������������������������������������7 5�2 Operating modes ������������������������������������������������������������������������������������������8 5�3 IO-Link �����������������������������������������������������������������������������������������������������������8 5�4 Adjustments ���������������������������������������������������������������������������������������������������8...
  • Page 3 8�1 Application adjustments �������������������������������������������������������������������������������21 8�1�1 Empty adjustment ������������������������������������������������������������������������������21 8�1�2 Full adjustment �����������������������������������������������������������������������������������22 8�1�3 Dynamic adjustment ���������������������������������������������������������������������������22 8�1�4 Empty and full adjustment ������������������������������������������������������������������22 8�1�5 Adjustment of the switch points ����������������������������������������������������������23 9 Operating and display elements ������������������������������������������������������������������������23 10 Parameter setting ��������������������������������������������������������������������������������������������24 10�1 Parameter setting via PC and IO-Link master �������������������������������������������24 10�2 Adjustable parameters �������������������������������������������������������������������������������24 10�2�1 Sensor parameters ���������������������������������������������������������������������������24 10�2�2 Indication parameters �����������������������������������������������������������������������25...
  • Page 4: Preliminary Note

    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�...
  • Page 5: Functions And Features

    • 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�...
  • Page 6: Getting Started

    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�...
  • Page 7: Function

    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�...
  • Page 8: 5�2 Operating Modes

    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...
  • Page 9 • 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�...
  • Page 10: 5�5 Switching Outputs

    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...
  • Page 11: 5�6�2 Signal Strength Referred To The Dynamic Range

    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�...
  • Page 12: 5�6�3 Filling Edge Sharpness

    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�...
  • Page 13: 5�8 Switching Cycles Counters

    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�...
  • Page 14: 5�11 Detection Of Deposits

    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) •...
  • Page 15: Installation

    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"...
  • Page 16: 6�1 Installation Of Several Sensors

    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�...
  • Page 17: 6�2 Installation On Bypass Pipes

    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�...
  • Page 18: 6�3 Installation On The Tank

    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�...
  • Page 19: 6�4 Installation On Exchangeable Tanks

    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�...
  • Page 20: 6�5 Notes On Tank Adjustment

    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� •...
  • Page 21: Set

    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 (→...
  • Page 22: 8�1�2 Full 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� >...
  • Page 23: 8�1�5 Adjustment Of The Switch Points

    ► 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 (→...
  • Page 24: Parameter Setting

    ► 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�...
  • Page 25: 10�2�2 Indication Parameters

    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...
  • Page 26: 10�2�4 Configuration Of The Switching Outputs

    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�...
  • Page 27: 10�3 Commands

    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�...
  • Page 28: 10�3�3 Other Commands

    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 (→...
  • Page 29: Troubleshooting

    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�...
  • Page 30: 11�2 Deviation Between Process Value And Level

    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 ►...
  • Page 31: 11�2�1 Evaluate The Index Of The Level Edge

    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 (→...
  • Page 32: 11�3 Events

    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 ►...
  • Page 33: 11�3�3 Maintenance Required - Cleaning

    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�...
  • Page 34: Factory Settings

    16 (OFF / Output Off) SP2 (FH2) rP2 (FL2) 16 (OFF / Output Off) SP3 (FH3) rP3 (FL3) Sensitivity 2 (Hi / High) LED mode 3 (ALL_On) Orientation 0 (bottom / connector at bottom) Minimum recognition threshold More information at www�ifm�com...

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