Flowserve NRS 2-4 Instrukcja Użytkownika

1A Siebe Group ProductNRS 2-4Installation Instructions 810427-00Level Switch Type NRS 2-4

10NRG 211 with Harting connectorTest loopAlarmMalfunctionAlarmMalfunction2 NRS 2-4 connected in parallel (redundancy)AttentionnProtect the control cir

11CommissioningWarningThe terminal strip of the NRS 2-4 is live during operation. This presents thedanger of electric shock.Cut off power supply befor

12Table 1 measuring voltagesMeasuringvoltage UMDecoding0V–1V Malfunction in electrode supply cable (short circuit or interruption)1V–4V Electrode expo

13After switching on the mains voltage the LED is not illuminatedFault: The mains voltage is not applied across the equipment.Remedy: Apply mains

14

15

16GESTRA Gesellschaften · GESTRA Companies · Sociétés GESTRA · Sociedades Gestra · Società GESTRAVertretungen weltweit · Agencies all over the world ·

2Dimensions/Parts DrawingsFig. 1Fig. 2NRS 2-4MAX169128,545.72 (9TE)(TE = division units)1 TE = 5.08 mm)NRS 2-4MAXABCDEFIP 10MAX 70°CMAX 95%

332 way Euro card connectorLED OPERATIONLED MALFUNCTION WIRELED DEFECTIVE PROBELED HIGH LEVELFixing screwsKeyBCDFAE

4ContentsSafety Note ...5Warning ...

5Important NotesSafety NoteWarningThe terminal strip of the NRS 2-4 is live during operation. This presentsthe danger of electric shock.Cut off power

6Explanatory NotesSystem descriptionThe level switch NRS 2-4 is an analogue electronic amplifier for the capacitanceelectrode type NRG 211.In combinat

7Technical DataSupply voltage24 V DCPower consumption2VAOutput – Measuring circuit12 V DC (supply voltage going to level electrode)30 mAInput – Measur

8InstallationDesign “c”/“d”1. Install guide rails and screw-type connector into 19" magazine.2. Insert 19" slide-in unit into the guide rail

9WiringWiring diagrammDesign “c”/“d”Wiring is effected via the 32 pole screw-type connector.Use screened three-core cable, conductor size 0.8 mm², max