GESTRA NRG 26-40 Скачать руководство пользователя | Manualshive

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Contents

Page

Important notes

Usage for the intended purpose ...............................................................................................................4

Function ..................................................................................................................................................4

Safety note ..............................................................................................................................................4

System components ................................................................................................................................5

Directives and Standards

VdTÜV Bulletin "Wasserüberwachung 100" (= Water Monitoring 100) .....................................................6

LV (Low Voltage) Directive and EMC (Electromagnetic Compatibility) ........................................................6

ATEX (Hazardous Area) ............................................................................................................................6

UL/cUL (CSA) Approval ............................................................................................................................6

Note on the Declaration of Conformity / Manufacturer's Declaration ............................................6

Technical Data

NRG 26-40 ............................................................................................................................................7

Technical Data

Name plate/marking ...............................................................................................................................8

Scope of supply ....................................................................................................................................8

Installation

Dimensions NRG 26-40 .........................................................................................................................10

NRG 26-40 ............................................................................................................................................11

Key .......................................................................................................................................................11

Tools .....................................................................................................................................................11

Examples of installation

NRG 26-40 ............................................................................................................................................12

Key .......................................................................................................................................................13

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Содержание NRG 26-40

Страница 1: ...1 E N English Original Installation Instructions 810274 05 Level electrode NRG 26 40 ...

Страница 2: ...nitoring 100 6 LV Low Voltage Directive and EMC Electromagnetic Compatibility 6 ATEX Hazardous Area 6 UL cUL CSA Approval 6 Note on the Declaration of Conformity Manufacturer s Declaration 6 Technical Data NRG 26 40 7 Technical Data Name plate marking 8 Scope of supply 8 Installation Dimensions NRG 26 40 10 NRG 26 40 11 Key 11 Tools 11 Examples of installation NRG 26 40 12 Key 13 ...

Страница 3: ...de ID 19 Factory setting 20 Establishing changing node ID 20 Code switch settings 21 Commissioning procedure Applying supply voltage 22 Setting measuring range 22 Operation Setting the attenuation of the level signal 23 Troubleshooting Indication diagnosis and remedy 24 Further Notes Action against high frequency interference 25 Maintenance Safety note 26 Cleaning the electrode rod 26 Removing and...

Страница 4: ... the boiler or vessel a protection tube provided on side ensures correct functioning see section Examples of installation pages 12 13 The level electrode can be installed together with one GESTRA level electrode for water level limiting or for high level alarm in a single protection tube or external level pot At regular intervals the level electrode NRG 26 40 sends a data telegram to the control e...

Страница 5: ...witchpoint each high level alarm low level alarm Three position or modulating control within a predefined proportional band Water level monitoring within the defined control band of the electrode Data exchange CAN bus to ISO 11898 via CANopen protocol Two level limits with one switchpoint each high level alarm low level alarm URB 1 URB 2 Operating display unit Functions Parameterization and visual...

Страница 6: ...d 100 NRS 2 40 and NRR 2 40 The VdTÜV Bulletin Wasserstand Water Level 100 specifies the requirements made on water level control and limiting equipment for boilers ATEX Hazardous Area According to the European Directive 2014 34 EU the equipment must not be used in potentially explosive areas Note on the Declaration of Conformity Manufacturer s Declaration LV Low Voltage Directive and EMC Electrom...

Страница 7: ...1423 1528 1636 2156 Measuring range 1100 1200 1300 1400 1500 2000 Weight approx 2 5 kg Electronic module supply voltage 18 36 V DC Power consumption 65 mA Fuse Thermal fuse Tmax 80 C Hysteresis 2 K Data exchange CAN bus to ISO 11898 CANopen protocol Attenuation of signal output 19 seconds Indicators and adjustors 1 10 pole code switch for node ID and baud rate setting 1 green LED Communication CAN...

Страница 8: ...ta Measuring range CE marking Safety note Disposal note Type approval no Scope of supply NRG 26 40 1 Level electrode type NRG 26 40 1 Joint ring 27 x 32 form D DIN 7603 1 4301 bright annealed 1 Installation manual Betriebsanleitung beachten See installation instructions Hier öffnen Open here Ouvrir ici Voir instructions de montage 18 36 V DC Tamb 70 C 158 F IN OUT CAN Bus Pmax Tmax NRG 26 40 PN40 ...

Страница 9: ...inclination of the electrode must not exceed 45 with the length of the electrode rod being limited to 688 mm Fig 8 The seating surfaces of the standpipe or the flange provided on the vessel must be accurately machined Fig 3 Do not bend electrode rod when mounting Do not subject electrode rod to physical shocks Use only the supplied joint ring 27 x 32 form D DIN 7603 1 4301 bright annealed Do not l...

Страница 10: ...2 NRGT 26 1 173 b 68 336 6 3 5 Ra 3 2 0 5 Fig 3 4 140 37 26 NRG 26 40 1 2 373 300 477 400 583 500 688 600 794 700 899 800 1004 900 1110 1000 1214 1100 1319 1200 1423 1300 1528 1400 1636 1500 2156 2000 Screwed G A ISO 228 15 1 2 Ra 3 2 0 5 33 Screwed G A ISO 228 continued ...

Страница 11: ...eaded standpipe or flange and tighten with an open end spanner A F 41 mm The torque required when cold is 160 Nm Tools Open end spanner A F 41 DIN 3110 ISO 3318 Key 1 Max length of installation at 238 C 2 Measuring range 3 Joint ring 27 x 32 form D DIN 7603 1 4301 bright annealed 4 Thread G A ISO 228 5 Thermal insulation provided on site d 20 mm outside of thermal insulation of steam boiler 6 M 12...

Страница 12: ...ion inside the boiler Fig 6 Protection tube provided on site for installation inside the boiler and in combination with other GESTRA equipment 2 4 20 DN 50 20 20 90 d 0 7 8 9 a b f g DN 100 24 5 24 5 20 G 3 4 20 90 3000 G 3 4 7 f c 8 e h 9 a d 20 20 20 10 DN 50 20 1500 0 7 8 a b f g 90 14 DN 20 DN 20 Centre distance 20 G 3 4 DN 20 20 7 a 0 f i 9 0 10 Fig 7 External level pot ...

Страница 13: ...trode tip b Protection tube DN 80 in France according to AFAQ DN 100 c Protection tube DN 100 d Distance between electrode rod and protection tube 14 mm e Distance between electrode tip NRG 1 40 or NRG 1 41 14 mm creepage distances and clearances f Low water LW g Reducer DIN 2616 2 K 88 9x3 2 42 4 x 2 6 W h Reducer DIN 2616 2 K 114 3x3 6 48 3 x 2 9 W i Level pot DN 80 Key NRG 26 40 DN 100 45 m ax ...

Страница 14: ... 7 8 9 0 h g f c d e b a b Cover screws cross recess head screws M4 a Body cover b M12sensorconnector 5poles Acoded M12 sensor jack 5 poles A coded c Code switch with 10 poles d Green LED for CAN bus communication e Red LED for bus malfunction f Terminal strip g PE connection h Fixing nut for terminal box Key ...

Страница 15: ... x mm2 or RE 2YCYV fl 2 x 2 x mm2 In addition connect at the electrode end a screened male or female connector to the control cable Fig 11 12 The baud rate data transfer rate dictates the cable length and size between the bus nodes The total power consumption must also be taken into consideration when selecting the conductor size The total power consumption is obtained from the number of bus nodes...

Страница 16: ...y j j Fig 13 RES 1 Fig 14 RES 2 i CAN bus line twisted pair control cable j Terminating resistor 120 Ω RES 1 or RES 2 u M 12 sensor connector 5 poles A coded u M 12 sensor jack 5 poles A coded w Pin 1 Screen Key x Pin 2 Supply voltage 24 V DC red y Pin 3 Supply voltage 24 V DC black z PIN 4 CAN data line CH white A Pin 5 CAN data line CL blue u v A w continued ...

Страница 17: ...ating resistor of 120Ω Fig 13 Fig 14 Note that in a CAN bus network only one water level limiting system may be used Do not interrupt the CAN bus network during operation with one or more system com ponents If the CAN bus network is interrupted the safety circuit will be opened Before taking the CAN bus line from the terminal strip make sure that all connected system components are out of service ...

Страница 18: ... 60730 1 or DIN EN 60950 safe isolation The power supply unit must be provided with an overcurrent protective device in accordance with EN 61010 1 Attention If a safety power supply unit e g SITOP smart 24 V 2 5 A is used for the voltage supply of the CAN bus do not tap the supply voltage from the terminals 1 and 5 of the GESTRA control devices SITOP smart is a registered trademark of Siemens AG M...

Страница 19: ...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 97 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 level limiter hi alarm 2 Factory setting ORT 6 98 Factory setting On off level control Reserved NRS 1 42 NRG 16 42 X 1 X X 1 19 20 21 Factory setting ...

Страница 20: ...tory setting Do not use a node ID for more than one piece of equipment in the CAN bus system Establishing changing node ID If several identical systems are to communicate in a CAN bus network set a different node ID for each system e g limiter controller etc 1 Undo screws and remove housing cover a 2 Change switch positions of code switch c as required Please observe the wiring diagram on page 19 ...

Страница 21: ...ngs c c Node ID 41 S1 ON 1 S2 OFF 2 S3 OFF 4 S4 ON 8 S5 OFF 16 S6 ON 32 S7 OFF 64 Node ID 71 S1 ON 1 S2 ON 2 S3 ON 4 S4 OFF 8 S5 OFF 16 S6 OFF 32 S7 ON 64 S8 S9 S0 Baud rate Cable length OFF ON OFF 250 kBit s 125 m ON ON OFF 125 kBit s 250 m OFF ON ON 100 kBit s 335 m ON ON ON 50 kBit s 500 m OFF ON ON 20 kBit s 1000 m ON ON ON 10 kBit s 1000 m continued ...

Страница 22: ... Applying supply voltage The measuring range of the level electrode NRG 26 40 can only be adjusted on the control unit NRS 2 40 and NRR 2 40 and the control display unit URB Please observe the installation manuals for these devices Setting measuring range n When adjusting the measuring range when the system is cold the adjusted measuring points will shift with rising temperature as a result of the...

Страница 23: ... S10 S 8 S 9 S 10 Attenuation s OFF OFF OFF 3 ON OFF OFF 5 OFF ON OFF 7 ON ON OFF 9 OFF OFF ON 15 ON OFF ON 19 OFF ON ON 25 ON ON ON 29 Factory setting Setting the attenuation of the level signal 5 Plug in the CAN bus connector Green LED 1 illuminated The new attenuation setting has been accepted Red LED 2 illuminated New attenuation setting has not been accepted Repeat the setting or replace the ...

Страница 24: ...ion tube and if necessary provide vent hole The isolating valves of the external level pot optional are closed Open isolating valve The desired lower measuring point is outside the measuring range of the level transmitter The level electrode is too short Install a sufficiently long level electrode The adjustment of the measuring range is wrong Check measuring range setting on control unit NRS 2 40...

Страница 25: ...her troubleshooting also observe the installation operating manuals for con trol units NRS 2 40 and NRR 2 40 and the operating display unit URB Action against high frequency interference High frequency interference can occur for example as a result of out of phase switching operations Should such interference occur and lead to sporadic failures we recommend the following actions in order to suppre...

Страница 26: ...e becomes hot during operation Risk of severe burns to hands and arms Before carrying out installation and maintenance work make sure that the equipment is cold The equipment must only be installed wired and commissioned by qualified and competent staff Retrofitting and maintenance work must only be performed by qualified staff who through adequate training have achieved a recognised level of comp...

Страница 27: ...27 For your Notes ...

Страница 28: ...457 08 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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