Kobold LNK-K Operating	 Instruction

Kobold LNK-K Operating Instruction

Conductive level switch

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Operating Instruction
for
Conductive Level Switch
Model: LNK-K

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Summary of Contents for Kobold LNK-K

  • Page 1 Operating Instruction Conductive Level Switch Model: LNK-K...
  • Page 2: Table Of Contents

    Maintenance ....................10     Dimensions ....................11     EU Declaration of Conformance ..............12     Manufactured and sold by: Kobold Messring GmbH Nordring 22-24 D-65719 Hofheim Tel.: +49(0)6192-2990 Fax: +49(0)6192-23398 E-Mail: info.de@kobold.com Internet: www.kobold.com Page 2 LNK-K K06/0422...
  • Page 3: Note

     Conductive Level Switch model: LNK-K 4. Regulation Use Any use of the Conductive Level Switch, model: LNK-K, 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

    5.1. External electrode relay (e.g. NE-104, 304) When the LNK-K is used as a 1-stem probe, the evaluation can take place with an external electrode relay. For connection and adjustment please see instruction manual of the external electrode relay.
  • Page 5: Welding Details For Sleeves Lze

     Please avoid screwing in and unscrewing the sensor from the sleeve, because on high stress the sealing edge can distort and the process connection can get leaky. The sealing system is designed for CIP- and SIP-cleaning. LNK-K K06/0422 Page 5...
  • Page 6: Installation In G1/2 Thread

    LNK-K 6.2. Installation in G1/2 thread If the sleeve LZE is not used for the installation of the level switch LNK-K, it is possible to seal the screw thread with an adequate sealing material. Thus an installation is possible in a pipe as well as in a vessel.
  • Page 7: Electrical Connection

    4 not connected 7.2. Plug assignment of M12-plug with switching electronics 1 Power Supply + Vs / GND 2 Sensitivity + Vs / GND / open 3 Power Supply GND / +Vs 4 Output: Transistor PNP LNK-K K06/0422 Page 7...
  • Page 8 2. Cover probe with the medium to be measured. 3. If the output does not switch, try steps 2 and3 in succession. Step Sensitivity Plug PIN 2 2 k open (not connected) 20 k 200 k Page 8 LNK-K K06/0422...
  • Page 9: Technical Information

    , 500 Hz sensitivity (adjustable): 3 steps 2.0 / 20 / 200 kΩ Function: Full /empty report (switchable via the polarity of the supply voltage) Output: PNP, open collector, - 1.0 V vers. max. 50 mA, short-circuit-proof Switch delay: LNK-K K06/0422 Page 9...
  • Page 10: Order Codes

    LNK-K 9. Order Codes Example order: LNK-K 2 0 A 00S Electrode Electrode Electrode Electrical connection Model Design material coating length Evaluation A = 4 mm stump 00S = without electronics, 0 = without B = 100 mm M12x1-Stecker, coating...
  • Page 11: Dimensions

    LNK-K 11. Dimensions with switching electronics without switching electronics LNK-K K06/0422 Page 11...
  • Page 12: Eu Declaration Of Conformance

    LNK-K 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-K to which this declaration relates is in conformity with the standards noted below: EN 61326-1: 2013...

Table of Contents