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Summary of Contents for Kobold LNK
- Page 1 Operating Instruction Conductive Level Switch Model: LNK...
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Page 2: Table Of Contents
Regulation Use ..................... 3 Operating Principle ..................4 5.1. Head transmitter LNR (Option LNK-...NPK, LNK-...NPS) ....4 5.2. External electrode relay (e.g. NE-104, 304) ......... 4 Mechanical Connection ................. 5 ... -
Page 3: Note
Conductive Level Switch model: LNK 4. Regulation Use Any use of the Conductive Level Switch, model: LNK, which exceeds the manufacturer’s specification, may invalidate its warranty. Therefore, any resulting damage is not the responsibility of the manufacturer. The user assumes all risk for such usage. -
Page 4: Operating Principle
5.2. External electrode relay (e.g. NE-104, 304) When the LNK is used as a 3-stem or 4-stem probe (2 or 3 switching points), the evaluation takes place with an external electrode relay (see instruction manual and technical details of the external electrode relay). -
Page 5: Mechanical Connection
Do not harm the isolation of the electrode. After shortening, make sure that the E-CTFE isolation is removed of about a length of 5 mm from the tip of the electrode. LNK K06/0422 Page 5... -
Page 6: Welding Details For Sleeves Lze
4 sleeve segments for M12 and G 1/2”; 8 sleeve parts for G1” Attention! In order to avoid deforming or red-hot turning of the sleeve, pauses between individual sleeve segments should be sufficient enough to allow cooling down of the sleeve. Page 6 LNK K06/0422... -
Page 7: Electrical Connection
We recommend the use of wires with cross sectional area of min. 0,25 mm² Attention! A wrong connection of the plug pins can damage the unit’s electronic! 7.1. Connection without evaluating electronic (head transmitter) Model LNK-...00K, LNK-...00S Reference: wall of vessel (only possible with an electrical conductive connection to the metal tank) -
Page 8: Lnk
7.2. Connection with evaluating electronic (head transmitter) Model LNK-...NPK, LNK-...NPS 1. Electrode unit: Switching point equal to the electrode length, earthing through vessel wall 2. Electrode unit: 1 electrode as switching point external 1 Power supply: +V / GND* link... -
Page 9: Plug Assignment Of M12-Plug Without Evaluating Electronics (Head Transmitter) Model Lnk
10 k 100 k outside 7.3. Plug assignment of M12-plug without evaluating electronics (head transmitter) Model LNK-...00S Reference: wall of vessel (only possible with an electrical conductive connection to the metal tank) 1 Electrode 1 2 Electrode 2 3 Earthing of housing (Reference) -
Page 10: Plug Assignment Of M12-Plug With Evaluating Electronics (Head Transmitter) Model Lnk
7.4. Plug assignment of M12-plug with evaluating electronics (head transmitter) Model LNK-...NPS 1 Power Supply + Vs / GND 2 Sensitivity + Vs / GND / open 3 Power Supply GND / +Vs 4 Output: Transistor PNP 7.4.1. Setting the output function at option M12-plug The output function (full/empty signal) is switchable by changing the polaritiy of the supply voltage. -
Page 11: Technical Information
Switch delay (fixed): Weight: approx. 40 g LED-Indication: Illuminated when medium contacts the electrodes additional technical details see separate data sheet For 1- up to 4-stem probe: External electrode relay NE104 and NE304 (see separate data sheet) LNK K06/0422 Page 11... -
Page 12: Order Codes
9. Order Codes Example order: LNK-1 2 0 A AAA 00K Model Design Electrode Electrode Length Length Length Length Evaluation/ (Process material coating of 1. stem of 2. stem of 3. stem of 4. stem electronic connection connection) 00K = without electronic,... -
Page 13: Maintenance
10. Maintenance The conductive level electrodes work completely maintenance free. Occasionally, the electrode tips should be checked for deposits or corrosion and cleaned accordingly. Insulated layers can result in false alarms. LNK K06/0422 Page 13... -
Page 14: Dimensions
11. Dimensions Page 14 LNK K06/0422... -
Page 15: Eu Declaration Of Conformance
12. EU Declaration of Conformance We, KOBOLD Messring GmbH, Hofheim-Ts, Germany, declare under our sole responsibility that the product: Conductive Level Switch Model: LNK-… to which this declaration relates is in conformity with the standards noted below: EN 61000-6-4:2011 Electromagnetic compatibility (EMC) - Part 6-4: Generic standards - Emission...
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