GESTRA NRS 2-40 Скачать руководство пользователя | Manualshive

Страница: 22 / 40

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22

Basic Settings

– continued –

The level switch features the following factory set default values:

n

Baud rate:

250 kb/s

n

Control equipment:

1

n

Node ID:

039

n

Control equipment:

2

n

Node ID:

040

n

Switchpoint 1:

80 %

n

Switchpoint 2:

60%

n

Switchpoint 3:

40%

n

Switchpoint 4:

20%

n

Relay with energizing delay switchpoint 1:

1s

n

Relay with energizing delay switchpoint 2:

1s

n

Relay with energizing delay switchpoint 3:

1s

n

Relay with energizing delay switchpoint 4:

1s

n

Relay with deenergizing delay switchpoint 1:

3s

n

Relay with deenergizing delay switchpoint 2:

1s

n

Relay with deenergizing delay switchpoint 3:

1s

n

Relay with deenergizing delay switchpoint 4:

3s

Fig. 15

Factory setting

1/80 %
2/60 %

3/40 %
4/20 %

100 %

0 %

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20
21
22
23
24
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Содержание NRS 2-40

Страница 1: ...1 E N English Original Installation Instructions 810371 05 Level Switch Type NRS 2 40 ...

Страница 2: ... Atmosphère Explosible 5 Important Notes Page Explanatory Notes Scope of supply 6 Description 6 Function 6 System components 6 Design 6 NRS 2 40 11 Tools 11 Example of installation 12 Key 11 Installation NRS 2 40 7 Corrosion resistance 8 Name plate marking 8 Dimensions 8 Technical Data NRS 2 40 9 Key 11 Design NRS 2 40 10 Key 11 Functional Elements ...

Страница 3: ...ools 19 Using the operating display unit URB 24 NRS 2 40 24 Measuring range 24 Establishing measuring range 24 25 Switchpoints and proportional band 26 Establishing switchpoints 27 29 Contents continued Commissioning Page NRS 2 40 30 Operation CAN bus 20 Node ID 21 Factory setting 22 Assigning changing node ID 23 Attention 23 Code switch settings 23 Basic Settings ...

Страница 4: ...ction 3 36 System malfunction 4 37 System Malfunctions Danger 38 Disposal 38 Decommissioning Contents continued Page Fault finding list for troubleshooting 32 Malfunctions NRS 2 40 31 High level MAX alarm 31 Low level MIN alarm 31 Alarm NRS 2 40 30 Test Note regarding Declaration of Conformity Declaration of Manufacturer 38 Annex ...

Страница 5: ...uately trained personnel Maintenance and retrofitting must only be performed by entrusted personnel who through adequate training have achieved a recognised level of competence ATEX Atmosphère Explosible According to the European Directive ATEX 2014 34 EU the equipment must not be used in potentially explosive atmospheres Attention The name plate specifies the technical features of the equipment N...

Страница 6: ...n Actual value output 4 20 mA n Contact multiplication by connecting in parallel a second level switch NRS 2 40 without actual value output The level data are transmitted via CAN bus from the electrode NRG 26 40 to the level controller or further system components Explanatory Notes Function At regular intervals the level electrode type NRG 26 40 sends a data telegram to the level switch NRS 2 40 T...

Страница 7: ...d gold plated Interference suppression Provide contactor with an external RC combination 100 Ω 47nF Relay de energizing delay Output MIN MAX 3 s Indicators and adjustors 1 red LED for switchpoint High level MAX 1 red LED for switchpoint Low level MIN 2 green LEDs for switchpoints PUMP ON and PUM OFF 1 green LED Power 1 red LED Bus fault 1 ten pole code switch for node ID and baud rate settings 4 p...

Страница 8: ...a continued Name plate marking Fig 1 Dimensions Fig 2 1 1 8 100 73 Steuergerät control device appareille de commande Tamb 55 C 131 F IN OUT CAN Bus 18 36 V DC IP 40 IP20 230V 15 10 5VA Betriebsanleitung beachten See installation instructions Voir instructions de montage Node ID ___ ___ ___ Münchener Str 77 D 28215 Bremen TÜV WR 399 NRS 2 40 1 2 3 4 5 S 24V DC CAN BUS CH CL 17 16 L N S 1 NRG 26 40 ...

Страница 9: ...9 1 2 3 4 Test P 1 2 3 E 4 GESTRA NRS 2 40 MAX MIN 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 1 27 16 17 18 19 20 21 22 23 24 25 26 28 29 30 1 ON 2 3 4 5 6 7 8 9 0 Design 0 Fig 3 9 NRS 2 40 9 a ...

Страница 10: ...est P 1 2 3 E 4 GESTRA NRS 2 40 MAX MIN Functional Elements NRS 2 40 Fig 5 Fig 4 1 7 6 5 4 3 2 27 16 17 18 19 20 21 22 23 24 25 26 28 29 30 1 2 3 4 Test P 1 2 3 E 4 GESTRA NRS 2 40 MAX MIN 1 ON 2 3 4 5 6 7 8 9 0 8 ...

Страница 11: ...nction LED 4 switchpoint 4 Low level alarm Low level alarm Multifunction 2 LED Bus status 3 LED Power 4 Enter button test mode 5 Decrease button 6 Increase button 7 Program button 8 Code switch 10 poles 9 Terminal strip 0 Screws for terminal strip a Enclosure b Supporting rail TS 35 x 15 to DIN EN 50022 Tools n Screwdriver 5 5 100 Installation NRS 2 40 Installation on mounting rail 1 Clip control ...

Страница 12: ... 13 29 14 30 15 1 2 3 4 Test P 1 2 3 E 4 GESTRA NRS 2 40 MAX MIN 1 2 3 4 Test P 1 2 3 E 4 GESTRA NRS 2 40 MAX MIN 27 16 1 2 3 4 5 6 7 8 17 18 19 20 21 22 23 24 9 25 10 26 11 12 28 13 29 14 30 15 Installation continued Fig 6 Example of installation b 9 0 0 Fig 7 20 20 a ...

Страница 13: ...duct The baud rate data transfer rate dictates the cable length and conductor size of the cable between the bus nodes The total power consumption must also be taken into account when selecting the con ductor size The total power consumption is calculated from the number of bus nodes If the cable length between the steam boiler and the control cabinet exceeds 15 m we recommend that you fit a branch...

Страница 14: ... Please enter data Sum 1 W Measuring transducers transmitters control units operating display unit URB 1 Qty x Power rating per equipment Sum x 3 W W Operating display unit URB 2 x 5 W W Please enter data Sum 2 W If sum 2 exceeds sum 1 the CAN bus voltage must be supplied by a separate stabilised safety power supply unit e g SITOP smart 24 V 2 5 A with 24 V DC The power supply unit must be electri...

Страница 15: ...ectrical Connection continued Fig 8 27 16 1 2 3 4 5 6 7 8 17 18 19 20 21 22 23 24 9 25 10 26 11 12 28 13 29 14 30 15 1 2 3 4 Test P 1 2 3 E 4 GESTRA NRS 2 40 MAX MIN S CL CH 24V DC CAN Bus 120 Ω L N MIN MAX d e g f l l k h ...

Страница 16: ...N Wiring diagram continued Electrical Connection continued 27 16 1 2 3 4 5 6 7 8 17 18 19 20 21 22 23 24 9 25 10 26 11 12 28 13 29 14 30 15 1 2 3 4 Test P 1 2 3 E 4 GESTRA NRS 2 40 MAX MIN S CL CH 24V DC CAN Bus 120 Ω K 1 K 1 L N l h k l Pump contactor ...

Страница 17: ... continued 27 16 1 2 3 4 5 6 7 8 17 18 19 20 21 22 23 24 9 25 10 26 11 12 28 13 29 14 30 15 1 2 3 4 Test P 1 2 3 E 4 GESTRA NRS 2 40 MAX MIN S CL CH 24V DC CAN Bus 120 Ω K 1 K 1 L N l h k l Fig 10 Fill control Pump OFF at high level MAX Pump contactor ...

Страница 18: ...ntact MIN alarm h Actual value output 4 20 mA k Terminating resistor 120 Ω RES 1 or RES 2 l Twisted pair control cable for CAN bus line m Valve actuator n Feedback potentiometer 1000 Ω actuator Key Electrical Connection continued CAN bus wiring diagram Fig 14 RES 2 CEP NRS NRR LRR TRS URB 1 URB 2 NRG LRG EF URZ TRV RES 1 Central earthing point ...

Страница 19: ...e equipment in series Star type wiring is not permitted n Interlink screens of control cables such that electrical continuity is ensured and connect them once to the central earthing point CEP If equipotential currents may occur e g in outdoor installations separate the screen from the central earthing point CEP n To protect the switching contacts fuse circuit with 2 5 A slow blow or according to ...

Страница 20: ...configured at our works and ready for service with other GESTRA system components without having to set the node ID If several systems of the same kind are to communicate in one CAN bus network be sure to assign one node ID for each individual system component e g controller and probe acc to the table on page 21 If the length of the CAN bus cable exceeds 125 m use code switch 8 Fig 18 to change th...

Страница 21: ...V 5 40 1 TRV 5 40 2 Limiter 3 Limiter 4 X X 1 X 2 X 3 X 4 6 7 8 9 10 Factory setting TRS 5 40 1 TRS 5 40 2 X 1 90 X 2 90 98 98 High level alarm NRS 1 41 NRG 16 41 Reserved Reserved Reserved X X 1 X 2 X 3 X 4 6 7 8 9 10 Factory setting Further components SRL 40 X Sensor low level limiter high level alarm 2 Factory setting ORT 6 98 Factory setting On off level control Reserved NRS 1 42 NRG 16 42 X 1...

Страница 22: ...itchpoint 4 20 n Relay with energizing delay switchpoint 1 1s n Relay with energizing delay switchpoint 2 1s n Relay with energizing delay switchpoint 3 1s n Relay with energizing delay switchpoint 4 1s n Relay with de energizing delay switchpoint 1 3s n Relay with de energizing delay switchpoint 2 1s n Relay with de energizing delay switchpoint 3 1s n Relay with de energizing delay switchpoint 4 ...

Страница 23: ...1000 m ON ON ON 10 kBit s 1000 m Assigning changing node ID If several systems of the same kind are to communicate in one CAN bus network be sure to assign one node ID for each individual system component e g controller limiter In most cases it is sufficient to commission the equipment with the GESTRA default factory setting Detach the lower terminal strip 9 Fig 6 in order to change the code switc...

Страница 24: ...uring range A for your level monitoring application Press button for 3 sec Lower the liquid level in the vessel until the lower limit of the measuring range A is reached Use button if you want to establish the upper limit of the desired control range first If two control devices are used only one has to be adjusted Establishing measuring range NRG 26 40 Measuring range Fig 20 37 26 A B 1 2 3 4 Tes...

Страница 25: ...button twice briefly The upper limit of the desired measuring range is now saved The NRS 2 40 is back in operating mode Press button briefly The lower limit of the measuring range is now saved 1 2 3 4 Test P 1 2 3 E 4 GESTRA NRS 2 40 MAX MIN 1 2 3 4 Test P 1 2 3 E 4 GESTRA NRS 2 40 MAX MIN 1 2 3 4 Test P 1 2 3 E 4 GESTRA NRS 2 40 MAX MIN 1 2 3 4 Test P 1 2 3 E 4 GESTRA NRS 2 40 MAX MIN Press butto...

Страница 26: ...26 Switchpoints and proportional band Commissioning continued Fig 21 You can establish four switchpoints within the selected measuring range NRG 26 40 1 2 3 4 A ...

Страница 27: ... status and or Power will be flashing rapidly Press button briefly Switchpoint 4 is now saved Press button briefly Switchpoint 3 is now active Press button briefly Raise liquid level until switchpoint 3 within the adjusted control range is reached Establishing switchpoints Commissioning continued 1 2 3 4 Test P 1 2 3 E 4 GESTRA NRS 2 40 MAX MIN 1 2 3 4 Test P 1 2 3 E 4 GESTRA NRS 2 40 MAX MIN 1 2 ...

Страница 28: ...ntil switchpoint 2 within the adjusted measuring range is reached Press button briefly Switchpoint 2 is saved Press button briefly Switchpoint 1 is now active 1 2 3 4 Test P 1 2 3 E 4 GESTRA NRS 2 40 MAX MIN 1 2 3 4 Test P 1 2 3 E 4 GESTRA NRS 2 40 MAX MIN 1 2 3 4 Test P 1 2 3 E 4 GESTRA NRS 2 40 MAX MIN 1 2 3 4 Test P 1 2 3 E 4 GESTRA NRS 2 40 MAX MIN 1 2 3 4 Test P 1 2 3 E 4 GESTRA NRS 2 40 MAX ...

Страница 29: ...iefly Raise liquid level until switchpoint 1 within the adjusted measuring range is reached Press button twice briefly Switchpoint 1 is saved The NRS 2 40 is again in operating mode 1 2 3 4 Test P 1 2 3 E 4 GESTRA NRS 2 40 MAX MIN 1 2 3 4 Test P 1 2 3 E 4 GESTRA NRS 2 40 MAX MIN ...

Страница 30: ... MAX MIN Test NRS 2 40 Hold down button LED 4 goes out A MIN alarm is simulated for switchpoint 4 Press button briefly The test mode relay test is now active for 5 seconds Hold down button LED 1 goes out A MAX alarm is simulated for switchpoint 1 1 2 3 4 Test P 1 2 3 E 4 GESTRA NRS 2 40 MAX MIN 1 2 3 4 Test P 1 2 3 E 4 GESTRA NRS 2 40 MAX MIN 1 2 3 4 Test P 1 2 3 E 4 GESTRA NRS 2 40 MAX MIN ...

Страница 31: ...ting LED 4 changes after the de energizing delay from rapid flashing to lighting illuminated flashing flashing illuminated High level MAX alarm Low level MIN alarm 1 2 3 4 Test P 1 2 3 E 4 GESTRA NRS 1 41 1 2 3 4 P 1 2 1 2 3 4 Test P 1 2 3 E 4 MAX MIN W XW GESTRA NRR 2 40 1 2 3 4 P 1 2 MAX MIN W XW 1 2 3 4 Test P 1 2 3 E 4 GESTRA NRS 2 40 MAX MIN Alarm NRS 2 40 ...

Страница 32: ...ction Fault LED Power does not light up Remedy Apply power Connect the equipment according to the wiring diagram Device does not work properly Device fails to work indication of malfunction Fault In spite of correct wiring and commissioning of the equipment an interference signal is indicated Remedy The interference signal is caused by H F interferences coming from the installation For interferenc...

Страница 33: ... built in switching controller NRS 2 40 The automatic self testing routine checks the switching controller every 3 seconds and the sensors e g the level electrodes every 10 seconds During each self testing routine the error messages will be stored in the switching controller The error messages remain stored until the cause of the fault s is eliminated If a malfunction is detected the signal output...

Страница 34: ...nal bus devices which will make fault detection even more difficult We recommend the following systematic fault finding procedure Systematic malfunction analysis Step 1 Start Detach terminal strips in all sensing units of bus devices Level electrode Conductivity electrode Pressure sensor Temperature sensor etc Step 3 Apply mains voltage to bus devices of the system e g NRS and NRG Step 2 Plug in t...

Страница 35: ...max admissible limit the equipment automatically returns to normal operation Fault The CAN bus line between the nodes is interrupted Remedy Check wiring and terminals Restart system Fault Incorrect node ID s Remedy Set correct nodes ID s referring to section Basic Adjustments or Annex Disconnect the system from its power supply After 5 sec apply power and restart system System malfunction 1 System...

Страница 36: ... not set correctly Remedy Check baud rate settings of all bus nodes The baud rates must be identical Refer to section Annex for more details Disconnect the system from its power supply After 5 sec apply power and restart system Fault The overall length of the bus cable does not correspond to the selected baud rate Remedy Change baud rate settings of all nodes according to the indications specified...

Страница 37: ...ck load of power supply unit Be sure to use the PSU only for the voltage supply of bus based network components Disconnect the system from its power supply After 5 sec apply power and restart system Fault Power supply unit defective Remedy Replace power supply unit System malfunction 4 LED flashing slowly 1 2 3 4 Test P 1 2 3 E 4 GESTRA NRS 2 40 MAX MIN ...

Страница 38: ...r you can find them at www gestra de dokumente Decommissioning Danger The terminal strip of the equipment is live during operation This presents the danger of electric shock Cut off power supply before mounting or removing the terminal strip and the housing cover Disposal Remove the equipment and separate the waste materials in accordance with the material specification Electronic components board...

Страница 39: ...39 For your notes ...

Страница 40: ...8461 07 GESTRA AG Bremen Printed in Germany GESTRA AG Münchener Straße 77 28215 Bremen Germany Telefon 49 421 3503 0 Telefax 49 421 3503 393 E mail info de gestra com Web www gestra de Agencies all over the world www gestra de ...

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