Flowserve NRS 2-5 Manuel d'utilisateur

1Installation Instructions 810455-00Level Switch Type NRS 2-5NRS 2-5

10NRS 2-5Use screened four-core cable, conductor size 0.8 mm², max. cable length 500 m forthe supply of the electrode.Wire screw-type connector accord

11Switch on mains supply. The green LED is illuminated. Fig. 4NRS 2-5 c/d1. After switching on the mains voltage the green LED must be permane

12Fault: The level switch raises an alarm during normal operation.Remedy: Check whether the green LED is illuminated. If not, check whether themai

13Declaration of conformityBremen, 28th April 1997GESTRA GmbHDr. Anno KrautwaldDr. Christian PolittWe hereby declare that the equipment NRS 2-5 c/d co

14GESTRA Gesellschaften · GESTRA Companies · Sociétés GESTRA · Sociedades Gestra · Società GESTRAVertretungen weltweit · Agencies all over the world ·

2Wiring DiagramFig. 1Fig. 2321C28A30A24A28C30C24DCDC24V DC12V DCMC16C18A18NRG 211NRS 2-5A22A20C 8A 2C 12C 4A 10A 6C22C20MIN32112V DC 12V DCMMC16C16C18

3MINNRS 2-5DimensionsACBFig. 3B30.01(6 TE)128.5

4MAX 70°CMAX 95%%IP 10Parts DrawingsFig. 4MINNRS 2-51234

532 way screw-type connectorFixing screw19" Slide-in unit to DIN 41495LED MALFUNCTION IN ELECTRODELED MALFUNCTION IN SUPPLY CABLELED LOW LEVEL AL

6ContentsSafety note...7Warning ...

7Important NotesSafety NoteWarningThe terminal strip of the NRS 2-5 is live during operation. This presentsthe danger of electric shock. Cut off power

8FunctionDesignSystem descriptionThe level switch NRS 2-5 is an analogue electronic amplifier for the capacitanceelectrode NRG 211.In combination with

9Technical DataInput – measuring voltage1– 10 V DC (measuring voltage coming from level electrode)Output – measuring voltage12VDC (supply voltage goin