Flowserve NRS1-41 Bedienungsanleitung

1NRS 1-41Installation Instructions 810830-00Level Switch NRS 1-41

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

11Basic AdjustmentsCAN BusFactory settingThe switching controller features the following factory set default values:Tool Screwdriver of slotted screws

12NRS 1-41Apply power to the unit.The four indicator LEDs flash rapidly.The LED “Power” lights up.The test cycle takes about 3 sec.Indicator LEDs flas

13There is one alarm condition: High-level alarm(one level electrode)AlarmHigh-water level alarmLED 1 flashes rapidly.LED 1 remains permanently illum

14System MalfunctionsFaulty installation and/or configuration of CAN bus components, excessivetemperatures in the devices, defective electronic compon

15Systematic Malfunction AnalysisThe sources of malfunctions occurring in CAN bus systems operating with severalbus-based stations must be analysed sy

16System Malfunctions – continued –LED 1 flashes slowly.A system malfunction in the levelelectrode was detected.System Malfunction 1LED 1 flashes slo

17System Malfunctions – continued –LED 3 flashes slowly.A communication malfunction in thebus line was detected.System Malfunction 2LED 3 flashes slo

18System Malfunctions – continued –LED 4 flashes slowly.A malfunction in the level switchhas been detected.System Malfunction 3LED 4 flashes slowlyFa

19LED “Bus status” flashes slowly.System Malfunction 5LED flashes slowlySystem Malfunctions – continued –Fault:Data transfer in CAN bus interrupted.R

2ContentsUsage for the intended purpose ...6Safety note ...

20System Malfunction 6LED flashes slowlySystem Malfunctions – continued –LED “Power” flashes slowlyFault:The power supply unit (PSU) is overloaded. T

21Operation MalfunctionsFault finding list for troubleshootingHigh-water level switchpoint exceeded – No functionFault:LED “Power” does not light up.R

22The individual node IDs must be manually adjusted on the equipment.Please observe the installation instructions of the device in question.Switchingc

23Annex – continued –Attention Do not assign the same node ID twice within the CAN bus network. Do not change the settings of the code switch .

24Fig. 6 (Factory setting) Fig. 7 (Example)99Annex – continued –Fig. 8 (Factory setting 250 kBit/s)OFFNode IDS11OFFS22ONS34ONS48OFFS516OFFS632OFFS764

25For your notes

26Annex – continued –We hereby declare that the equipment NRS 1-41 conforms to the followingEuropean guidelines: LV guideline 73/23/eec version 93/6

27118Example of InstallationFig. 9Fig. 10AACMAX 55°CMAX 95%1007320 20

28810830-00/903c · © 2003 GESTRA GmbH · Bremen · Printed in GermanyGESTRA GmbHP. O. Box 10 54 60, D-28054 Bremen, Münchener Str. 77, D-28215 BremenT

3Wiring DiagramFig. 2Fig.1Control terminalURB 1Level switchNRS 1-40Controller...Level electrodeNRG16-40Terminating resistor120 ΩVoltage supplyCAN data

4Parts DrawingsFig. 4Fig. 3143 2567AAB98

5Indicator LEDLED 1 Electrode 1LED 2 Electrode 1LED “Bus status”LED “Power”Enter /Test modeDecreaseIncreaseProgram keyTwo-pole code switch Note: D

6Important NotesSafety NoteInstallation must only be performed by qualified staff.Qualified staff are those persons who – through adequate training in

7FunctionAt regular intervals the level electrode NRG 1…-41 sends a data telegram to theswitching controller NRS 1-41. The data transfer is effected b

8Technical DataType approval no.TÜV · WB · 99-403EG BAF-MUC 0202 103881 002Input/OutputInterface for CAN bus to DIN ISO 11898 CANopen protocolOutput v

9InstallationNRS 1-41ToolInstallation on mounting rail1. Clip switching controller onto mounting rail 35 x 15 mm (DIN EN 50022).2. Align switching con