Flowserve NRS 1-42 Manuel d'utilisateur

1Installation Instructions 810373-03Level Switch Type NRS 1-42NRS 1-42

10UNITRONIC® is a registered trademark of LAPP Kabelwerke GmbH, StuttgartWiringInstallationNRS 1-42ToolInstallation on mounting rail1. Clip level swit

11 Wire equipment in series. Star-type wiring is not permitted. Interlink screens of control cables such that electrical continuity isensured and conn

12Node-IDCAN BusAll level and conductivity controllers and associated electrodes are interconnected bymeans of a CAN bus using the CANopen protocol. E

13Basic Adjustments – continued –Press button briefly.Sensitivity 0.5 µS/cm is selected.Press button briefly.Sensitivity range 1 (10 µS/cm,

14OperationSwitchpoint 2Switchpoint 1Switchpoint 1 reached Time delay activated, LED 1 flashing Time delay elapsed, LED 1 permanently illuminated, rel

15AlarmThere are two alarm conditions: High-level (MAX) alarm Low-level (MIN) alarmLED 1 flashes rapidly.LED 1 remains permanently illuminatedafter

16System MalfunctionsThere are four system malfunctions that might occur in the level switch and the levelelectrode: Max. admissible temperature in e

17System Malfunctions – continued –The sources of malfunctions occurring in CAN bus systems operating with severalbus-based stations must be analysed

18System Malfunctions – continued –The terminal strip of the NRS 1-42 is live during operation.This presents the danger of electric shock.Cut off pow

19LED “Bus status” flashes slowly.System Malfunction 4System Malfunctions – continued –Fault: Data transfer in CAN bus interrupted.Remedy:The bus cab

2ContentsUsage for the intended purpose ...7Safety note ...

20System Malfunction 5LED flashes slowlySystem Malfunctions – continued –LED “Power” flashes slowly.Fault:The power supply unit (PSU) is overloaded.

21Fault finding list for troubleshootingThe terminal strip of the NRS 1-42 is live during operation.This presents the danger of electric shock.Cut off

22If faults occur that are not listed above or cannot be corrected, please contact ourservice centre or authorized agency in your country.Malfunctions

23AnnexDangerThe terminal strip of the NRS 1-42 is live during operation.This presents the danger of electric shock.Cut off power supply before mounti

24Annex – continued –OFFNode IDS11ONS22ONS34OFFS48OFFS516OFFS632ONS764OFFNode IDS11OFFS22ONS34OFFS48ONS516OFFS632OFFS7642070Fig. 8 (Factory setting)F

25We hereby declare that the equipment NRS 1-42 conforms to the following Euopeanguidelines: LV guideline 73/23/eec version 93/68/eec EMC guideline 89

26Terminal stripsSupporting rail 35 x 15 to DIN EN 50022KeyAC

2710073118Example of InstallationFig. 11Fig. 1220 20

28810373-02/304cm · © 2000 GESTRA GmbH · Bremen · Printed in GermanyGESTRA GmbHPostfach 10 54 60, D-28054 Bremen, Münchener Str. 77, D-28215 BremenT

3Wiring DiagramFig. 2Fig. 1Twisted pair cableTwisted pair cable1) CEP = central earthing pointControl terminalURB 1Controller. . .Level electrodesNRG

4Wiring DiagramFig. 4Fig. 3Discharge control – Pump OFF at low levelTwisted pair cableTwisted pair cableFill control – Pump OFF at high levelTerminati

5Parts DrawingFig. 6Fig. 5AAB17 6 5 4 3 2

6Indicator LEDsLED 1 – switchpoint 1LED 2 – switchpoint 2LED 3 – switchpoint 3LED 4 – switchpoint 4LED “Bus status”LED “Power”Enter button / test mode

7Important NotesSafety noteThe equipment must only be installed by qualified staff.Qualified staff are those persons who – through adequate training i

8FunctionAt regular intervals the level electrode NRG 16-42 sends a data telegram to the levelswitch NRS 1-42. The data transfer is effected by means

9Technical dataType approval n°TÜV · WR 98-399Input/ OutputInterface for CAN bus to DIN ISO 11898 CANopenOutput – voltage supply for electrodePower su