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Kobold NWS, Operating Instructions Manual

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Kobold NWS Operating Instructions Manual Download Page 1

 

 

 

Operating Instructions 

for 

Level Switch 

Tuning Fork Principal 

 

Model: NWS 

 

 
 
 
 
 

 

 

 
 
 

Summary of Contents for NWS

Page 1: ...Operating Instructions for Level Switch Tuning Fork Principal Model NWS...

Page 2: ...ATEX certification 9 9 Settings 10 9 1 Settings for NWS 200 10 9 2 Settings for NWS 23 24 2W 2H and NWS 2E 12 10 Technical Information 15 11 Order Codes 17 12 Service and Maintenance 17 13 Trouble Sh...

Page 3: ...t immediately since they are responsible for damages during transit Scope of delivery The standard delivery includes Level Switch model NWS Operating instructions 4 Regulation Use Kobold model NWS Liq...

Page 4: ...cator with LED which can be seen continuously through a lens in the cover The LED flashes approximately once every second when the NWS has switched off and goes onto a permanent light when the NWS is...

Page 5: ...ounded to discharge accumulated electrostatic charge At an ambient temperature area of 5 70 C the connected electrical cable may be mechanically moved Furthermore at an ambient temperature area of 20...

Page 6: ...e or other type of mounting device The threaded con nection must be sealed with Teflon PTFE tape Be sure to turn the switch at the hexagonal drive do not install the switch by turning it at the housin...

Page 7: ...a 2 wire connection Please note The switch must always be operated in series with a load The switch must be grounded at terminal 1 The switch draws a continuous operating current of less than 3 5 mA...

Page 8: ...in the 3 wire circuit to generate a PLC compliant voltage signal The signal can be picked up at terminal 4 PLC programming devices or computers from various manufacturers will have different OFF thres...

Page 9: ...optionally available Make sure that the installation is properly performed and that the IP protection level is maintained Wiring diagram NWS 23 24 24 VDC Wiring diagram NWS 2W 2H 1 2 3 4 Vs n o Switch...

Page 10: ...switch the NWS can be set to operate as either an N C contact or an N O contact 9 1 2 Operating mode selector switch The operating mode switch is positioned on the circuit board on the right about the...

Page 11: ...l LED flashes briefly 2x then LED 2 seconds off LED Mode LED flashes briefly 3x then LED 2 seconds off The option points are repeated in an infinite loop In order to get access to an option the Setup...

Page 12: ...n has been selected When the LED Mode has been successfully selected the switch back to the main menu is made In order to leave the calibration mode the appliance must be separated from the voltage su...

Page 13: ...fluids which produce a significantly extended reaction time from dry to wet it can be advantageous to alter the pre adjustment In the calibration mode for NWS 2E the NAMUR loop current changes with t...

Page 14: ...option has been selected then the switch back to the main menu is made LED Mode not NWS 2E The LED Mode is signalled by LED briefly 3x off then LED 2 seconds on Briefly activate the Setup button in or...

Page 15: ...IN 11864 DRD flange Flange B 25 PN 40 DN 2527 Flange B 50 PN 40 DN 2527 Flange ANSI B 16 5 1 300 lbs Flange ANSI B 16 5 2 300 lbs Protection plastic housing IP 65 NWS 200 stainless steel housing plug...

Page 16: ...24 2W 2H connector M12x1 4 pole or 1 5 m fixed cable 3 pole switching output O C PNP or NPN factory set max 300 mA short circuit proof contact function N C or N O adjustable by switching polarity of...

Page 17: ...25 DIN flange DN 25 NWS F25 DIN flange DN 50 NWS F50 1 ANSI flange NWS A25 2 ANSI flange NWS A50 Tri Clamp DN 40 NWS T40 Tri Clamp DN 50 NWS T50 Sanitary DN 40 DIN 11851 NWS L40 Sanitary DN 50 DIN 118...

Page 18: ...lly means that there is a fault in the device electronics that must be diagnosed and repaired In this case we recommend that the device be returned to the manufacturer for servicing 15 Disposal Dispos...

Page 19: ...19 16 Dimensions 40 65 70 40 NWS 23S 24S NWS 2WS 2HS 24 VDC Plug connection NWS 23F 24F NWS 2WF 2HF 24 VDC Terminal connection NWS 2ES ATEX Plug connection NWS 2EF ATEX Cable connection NWS 200 24 VA...

Page 20: ...0 PN 40 20 approx 95 ANSI 1 300 lbs 17 5 approx 41 ANSI 2 300 lbs 22 4 approx 92 NWS R20 N20 Standard short NWS R25 N25 NWS N25 0117 Standard long NWS F NWS A Flange version NWS T Tri clamp NWS L Sani...

Page 21: ...ipment for measurement control and laboratory use EMC requirements industrial area 2006 Additional for model NWS 2E EN 60079 0 2012 EN 60079 11 2012 EN 60079 26 2007 Also the following EEC guidelines...

Page 22: ...NWS Page 22 NWS K06 0214 18 Supplement to the EC Type Examination certificate...

Page 23: ...NWS NWS K06 0214 Page 23...

Page 24: ...NWS Page 24 NWS K06 0214...

Page 25: ...NWS NWS K06 0214 Page 25 19 IECEx Certificate...

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