Flowserve NRS1-40.1 Bedienungsanleitung

GESTRA Steam SystemsNRS 1-40.1Installation Instructions 818548-00Control Unit NRS 1-40.1

10Technical Data– continued –Dimensions1234567891011121314152716 17 18 19 20 21 22 23 24 25 26 28 29 30MAX 55°CMAX 95%%IP 202716LNN1LH1+-C CS234567817

11InstallationControl unit NRS 1-40.1When changing the default factory settings (see page 16 and 17) the following steps: Change baud rate, Change

12Functional ElementsThe code switches are accessible after removing the lower terminal strip. The terminal strips can be un-plugged after undoing the

13WiringBus cable, cable length and sizeNote that screened multi-core twisted-pair control cable is required as Bus line, e. g. UNITRONIC® BUS CAN 2 x

14Wiring– continued –Wiring diagram for control unit NRS 1-40.1When using the control unit NRS 1-40.1 for more than two limiting functions the CAN bus

15Wiring– continued –Wiring diagram for CAN bus system - example - Wire equipment in series. Star-type wiring is not permitted! Link screens of bus

16Wiring– continued –Wiring diagram for CAN bus system - example -– continued – Connect screen only to the respective terminals and to the central ea

17CommissioningThe terminal strips of the control unit NRS 1-40.1 are live during operation. This presents the risk of severe cases of electric shock!

18Commissioning– continued –Change configuration– continued –When determining the limiting functions 1–4 please take also the installation instruction

19Start, Operation, Alarm and TestNRS 1-40.1Assignment of signal LED / key / equipment LED 1 / Key 1: Limiter 1 (e. g. level electrode NRG 1x-40, low

2ContentsPageImportant NotesUsage for the intended purpose...

20Start, Operation, Alarm and Test– continued –NRS 1-40.1– continued – In the event of an alarm the control unit NRS 1-40.1 does not lock automatical

21System MalfunctionsCausesMalfunctions occur if CAN bus components have been mounted or configured incorrectly or if electronic component parts are d

22System Malfunctions– continued –Systematic fault finding procedure for system malfunctionsThe sources of malfunctions occuring in CAN bus systems op

23System Malfunctions– continued –Systematic fault finding procedure for system malfunctions– continued –Assignment of signal LED / key / equipment: L

24System Malfunctions– continued –Fault finding list for troubleshooting system malfunctions: Limiters 1– 4Depending on the indication of the malfunct

25System Malfunctions– continued –Fault finding list for troubleshooting system malfunctions: Control UnitAction against high frequency interferenceAl

26System Malfunctions– continued –Replace control unit1.Cut off power supply to the equipment!2. Remove terminal strips , . For this purpose turn the

27MalfunctionsFault finding list for level electrode NRG 1.-40 / control unit NRS 1-40.1Water level below switchpoint "Low water (LW)" - no

28Malfunctions– continued –Fault finding list for level electrode NRG 1.-41.1 / control unit NRS 1-40.1Fault finding list for temperature transmitter

29Emergency OperationEmergency operation of water level limiting system LWProvided that the control unit works with two level electrodes NRG 1x-40 (wa

3ContentsPageStart, Operation, Alarm and TestNRS 1-40.1 ...

30AnnexCAN bus All devices (level, conductivity, temperature) are interconnected via CAN bus. The CANopen protocol is used for the data exchange betwe

31Annex– continued –Node IDShould it be necessary to establish other node IDs please take the interdependence of the equipment into consideration and

32Annex– continued –Table Node IDIn a CAN bus system a maximum of 123 nodes (devices) can be administered. Each node has its own ad-dress (node ID). T

33Annex– continued –DisposalDismantle the control unit and separate the waste materials, using the specifications in the table "Materi-als"

818548-00/605 agt ©2005 GESTRA AG Bremen Printed in Germanywww.gestra.deGESTRA AGPostfach 10 54 60, D-28054 Bremen Münchener Str. 77, D-28215 Bremen

4Important NotesUsage for the intended purposeThe control unit NRS 1-40.1 must only be used in conjunction with the associated sensors for monitoring

5Explanatory NotesScope of supplyNRS 1-40.11 Control unit NRS 1-40.1 1 Terminating resistor 120Ω1 Installation manualSystem descriptionThe control uni

6Explanatory Notes– continued –System description– continued –By connecting the level electrodes and the temperature transmitter with the control unit

7Explanatory Notes– continued –FunctionAt regular intervals the control unit NRS 1-40.1 evaluates the data telegram coming from the level elec-trodes

8Technical DataNRS 1-40.1Type approval no. TÜV. SWB/SHWS. 03 –413 EG BAF-MUC 03 07 103881 004 Input/output Interface for CAN bus to ISO 11898 CANopen

9Technical Data– continued –NRS 1-40.1– continued –Casing Casing material: Base: black polycarbonate; front panel: grey polycarbonate, Cross section o