IFM LDL100 Operating Instructions Manual

IFM LDL100 Operating Instructions Manual

Conductivity sensor hygienic g1/2

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Operating instructions
Conductivity sensor
hygienic G1/2
UK
LDL100

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Table of Contents
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Summary of Contents for IFM LDL100

  • Page 1 Operating instructions Conductivity sensor hygienic G1/2 LDL100...
  • Page 2: Table Of Contents

    Contents 1 Preliminary note ���������������������������������������������������������������������������������������������������4 1�1 Key to the symbols ����������������������������������������������������������������������������������������4 2 Safety instructions �����������������������������������������������������������������������������������������������4 3 Items supplied������������������������������������������������������������������������������������������������������5 4 Functions and features ����������������������������������������������������������������������������������������5 4�1 Applications ���������������������������������������������������������������������������������������������������5 4�2 Restriction of the application area �����������������������������������������������������������������6 5 Function ���������������������������������������������������������������������������������������������������������������6 5�1 Measuring principle ���������������������������������������������������������������������������������������6 5�2 Analogue function �����������������������������������������������������������������������������������������7 5�3 Defined state in case of a fault ����������������������������������������������������������������������8 5�4 IO-Link �����������������������������������������������������������������������������������������������������������8...
  • Page 3 9 Operation �����������������������������������������������������������������������������������������������������������18 9�1 Function check ��������������������������������������������������������������������������������������������18 9�2 Operating and diagnostic messages via IO-Link ����������������������������������������19 9�3 Output response in different operating states ����������������������������������������������19 10 Technical data and scale drawing ��������������������������������������������������������������������19 11 Maintenance / Transport ����������������������������������������������������������������������������������19 12 Factory setting �������������������������������������������������������������������������������������������������20...
  • Page 4: Preliminary Note

    1 Preliminary note 1.1 Key to the symbols ► Instruction > Reaction or result […] Designation of keys, buttons or indications → Cross-reference Important note Non-compliance may result in malfunction or interference� Information\Supplementary note 2 Safety instructions • Read this document before setting up the product and keep it during the entire service life�...
  • Page 5: Items Supplied

    • Operating instructions In addition, the following is necessary for installation and operation: • Mounting material (→ Accessories) Only use accessories from ifm electronic gmbh! Optimum functioning is not ensured when using components from other manufacturers� Accessories: www�ifm�com 4 Functions and features The unit detects the conductivity and the temperature of liquids in pipes and tank systems�...
  • Page 6: 4�2 Restriction Of The Application Area

    4.2 Restriction of the application area • Use the product only for media to which the wetted materials are sufficiently resistant (→ Technical data sheet). • The unit is not suitable for liquids with a low electrical conductivity (e�g� oils, greases, highly purified water, distilled water).
  • Page 7: 5�2 Analogue Function

    5.2 Analogue function The unit provides an analogue signal proportional to the conductivity or (as option) the temperature� The analogue output (OUT2) can be configured (→ 8.4)� Curve of the analogue signal (factory setting): I [mA] L / T Curve of the analogue signal (measuring range scaled): I [mA] L / T AEP2...
  • Page 8: 5�3 Defined State In Case Of A Fault

    6.1 Installation location / environment A correct fit and function of the unit and ingress resistance of the connection are only ensured using ifm adapters� ► For applications in hygienic areas (→ 6.3) (→ 6.4)� When installed in tanks and pipes: ►...
  • Page 9 ► Installation preferably before or in rising pipes� ► Provide for inlet and outlet pipe lengths (5 x DN). 5 x DN 5 x DN S = sources of interference; DN = pipe diameter; 1 = sensor > Disturbances caused by bends, valves or pipe reductions, etc� are then eliminated�...
  • Page 10: 6�2 Installation Procedure

    6.2 Installation procedure The unit is installed by means of a G 1/2 adapter (→ Accessories). 6.2.1 Installation process of the adapter ► Observe the installation instructions of the adapter used� ► Ensure cleanliness of the sealing areas� Remove protective packaging only just before mounting�...
  • Page 11: 6�3 Notes On The Use In Accordance With Ehedg

    ► Screw the sensor into the respective process connection and tighten it� Max� tightening torque: 20 Nm ► After installation, check the tank / pipe for ingress resistance� 6.3 Notes on the use in accordance with EHEDG The unit is suited for CIP (cleaning in process) when installed correspondingly�...
  • Page 12: 6�4 Notes On The Use According

    6.4 Notes on the use according to 3-A ► Make sure that the sensor is integrated into the system according to 3-A� ► Use only adapters with 3-A certification and marked with the 3-A symbol (→ Accessories). The process connection must be provided with a leakage port� When adapters with 3-A certification are used, this is guaranteed�...
  • Page 13: Electrical Connection

    7 Electrical connection The unit must be connected by a qualified electrician� The national and international regulations for the installation of electrical equipment must be adhered to� Voltage supply according to EN 50178, SELV, PELV� ► Disconnect power� ► Connect the unit as follows: Core colours black OUT2...
  • Page 14: Parameter Setting

    8 Parameter setting A PC with USB IO-Link master (→ 8.1) or a programmed memory plug (→ 8.2) or a configured IO-Link environment (→ 8.3) is required to set the parameters� Changing parameters during operation can influence the function of the plant�...
  • Page 15: 8�4 Adjustable Parameters

    Setting parameters can be directly adjusted via the controller� Example: Media- specific parameters such as temperature coefficient [T�Cmp] can be adjusted to improve accuracy� Recipes and settings can be stored in the controller during operation� By parameter setting via the controller, a check of the units via a bit in parameter setting is ensured�...
  • Page 16: 8�4�2 More Settings

    8.4.2 More settings Output configuration for analogue output (OUT2): [I] = measuring range is provided as 4...20 mA \[InEG] = measuring range is provided as 20...4 mA\[OFF] = output OFF (high impedance) SEL2 Assignment of the analogue output to the process value: [COND] = conductivity [TEMP] = temperature ASP2-TEMP...
  • Page 17: 8�4�3 Example Parameter Setting

    Temperature Measuring range: -40...80 (°C) For further information, please refer to the IODD description → www.ifm.com) or to the context-specific parameter descriptions of the used parameter setting software� 8.4.3 Example parameter setting ► Adapt cell constant to installation in a pipe with nominal pipe diameter DN50 (parameter [CGA]).
  • Page 18: 8�6 Determination Of The Temperature Coefficient Tempco

    If the temperature coefficient of the medium is not known, it can be determined (→ 8.6)� In an IO-Link environment, existing tempcos of the media can be stored as recipe in the controller so that the accuracy of the values to be detected is improved�...
  • Page 19: 9�2 Operating And Diagnostic Messages Via Io-Link

    9.2 Operating and diagnostic messages via IO-Link IODD and IODD descriptive text as a pdf file at: → www.ifm.com 9.3 Output response in different operating states OUT1 *) OUT2 Initialisation process value invalid according to conductivity / Normal process value according to...
  • Page 20: Factory Setting

    12 Factory setting Factory setting User setting rEF.T 25 (°C) T.Cmp 2 (%) uni.T °C 100 (%) SEL2 COND] = conductivity) ASP2-TEMP 0 (°C) AEP2-TEMP 150 (°C) Offset-TEMP 0 (K) ASP2-COND 0 (µS/cm) AEP2-COND 15000 (µS/cm) Lo.T Hi.T Lo.C Hi.C FOU2 1 (s) S.Tim...
  • Page 21 More information at www�ifm�com...

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