Kobold NE-104, Operating Instructions Manual

Page 1: ...Operating Instructions for Conductive Level Limit Switch Model NES NE 104 304...

Page 2: ...3 NE 304 Electrode Relay 8 7 4 Application examples with Electrode Relay NE 104 10 8 Commissioning 12 9 Locating and Remedying Faults 12 10 Maintenance 13 11 Technical Data 14 12 Order Codes 15 13 Dim...

Page 3: ...instructions can also be sent to you by post in paper form against an applicable postage fee The devices are only to be used maintained and serviced by persons familiar with these operating instructio...

Page 4: ...a c voltage is applied between the conductive wall of the tank or the ground electrode longest electrode and one respectively several switching point electrode If the conductive medium touches the ele...

Page 5: ...uld be as small as possible so that the conductivity of the measuring distance does not drop below 20 S cm Generally please note The level probes are generally intended for vertical installation Short...

Page 6: ...e 2 etc The Conductive Level Switch can only be used in conjunction with a suitable electrode relay e g NE 104 or NE 304 Ensure that the cable gland and the housing cover of the limit switch are stron...

Page 7: ...ontact 6 7 closed on Reaches or above the switching electrode relay drops out contact 7 8 closed out Usage as interval control 3 electrodes Connect the ground or reference electrode to terminal 14 Con...

Page 8: ...e switching electrode relay drops out contact 7 8 closed out Below the switching electrode relay picks up contact 6 7 closed on Usage as two interval controls 5 electrodes Connect the ground or refere...

Page 9: ...0 Pump 1 Connect the Max switching electrode to terminal 12 and the Min switching electrode to terminal 13 Connect the switch point electrode to terminal 15 Terminating the mains voltage The mains vol...

Page 10: ...NES page 10 NES K05 0922 7 4 Application examples with Electrode Relay NE 104 P M Power supply Power supply Draining the tank P M Power supply Power supply Filling the tank...

Page 11: ...NES NES K05 0922 page 11 Power supply Power supply Overflow protection Power supply Power supply Minimum level protection...

Page 12: ...is faulty If the LED is energised Relay NE 104 Disconnect the electrode from terminals 14 15 and 16 and short circuit terminals 14 and 15 with a wire jumper The relay must drop out now If there is no...

Page 13: ...3 10 Maintenance The Conductive Limit Switch requires absolutely no maintenance The electrode tips should be occasionally inspected for deposits or corrosion and should be cleaned Insulating deposits...

Page 14: ...r polypropylene connection 30 bar stainless steel connection Min conductivity 20 S cm Protection IP 65 Electrode relay NE 104 NE 304 Power supply 230 110 24 VAC 15 50 60 Hz Power input NE 104 approxim...

Page 15: ...ng P Polypropylene E Stainless steel F PTFE 1 1 electrode 2 2 electrodes 3 3 electrodes 4 4 electrodes 5 5 electrodes 6 6 electrodes Please show the length of electrodes in clear text with PTFE coatin...

Page 16: ...NES page 16 NES K05 0922 13 Dimensions 13 1Electrodes with Housing...

Page 17: ...NES NES K05 0922 page 17 13 2Electrode Relay...

Page 18: ...l disposal regulations and environmental regulations Batteries Batteries containing pollutants are marked with a sign consisting of a crossed out garbage can and the chemical symbol Cd Hg Li or Pb of...

Page 19: ...noted below EN 61326 1 2013 Electrical equipment for measurement control and laboratory use EMC requirements Part 1 General requirements EN 61010 1 2011 Safety requirements for electrical equipment f...