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Operating Instructions

1. Technical Data field devices SPUR 1 TRUNK A S V At S ic nL nA o o nA 0 I O SPUR 2 e So 4 L ic fnLinA _ o SS Foundation Fieldbus H1 SPUR 3 or Profibus PA S o A Trunk iclnL nA o e G Bri SPUR4 8 12 TRUNK B S o L o S ic nL nA o Oo nA o I O Power Management 14364E02 Dimensional Drawings All Dimensions in mm inch Subject to Alterations 64 mm 2 52 64 mm 2 52 L L 1 T SES GEES piooca EE SES c gef a D E R D EZ 000 2 led 000 ei P G o o R J acceso gag E L ggg E LI E ug 5 A N m N _ EE E EE 2 Il EE EE SES Bee 9 T s KE gel 1 LU L n Uc _ 101 mm 3 98 _57 mm 2 24 _ 153 mm 6 02 _ 57 mm 2 24 64 mm 2 52 64 mm 2 52 72 mm 2 83 72 mm 2 83 9410 34 330 30 Field device coupler 4 spurs 14361E00 9410 34 330 40 Field device coupler 8 spurs 64 mm 2 52 SE SEET EE EE e
2. GO GG Boo oR aaa Bogg EE EE EE BEE EES ER 205 mm 8 07 MI 92 mm 3 62 Uo 9410 34 330 60 Field device coupler 12 spurs 209295 941060310010 2013 07 24 BA00 Ill en 01 57 mm 2 24 64 mm 2 52 72 mm 2 83 14363E00 9410 34 Zone 2 Ex n Field Device Coupler 14362E00 Description of Function 6 Description of Function The field device coupler is used to connect up to four eight or twelve non intrinsically safe non sparking nA or intrinsically safe ic or energy limited nL field devices to a non intrinsically safe trunk If intrinsically safe spurs ic or energy limited spurs nL are used a fieldbus power supply which supplies the trunk with limited voltage complying according to type of protection Ex ic according to DIN EN 60079 11 must be connected upstream see chapter Installation The field device coupler works on the physical level i e it works independently of the protocol used It can therefore be used for any fieldbus which complies with IEC 61158 2 At the moment these are the Foundation Fieldbus H1 and the Profibus PA Each field device can be supplied with a maximum current of 41 mA As short circuit protection each spur is equipped with a functional current limiting to 50 mA
3. EG Konformitatserklarung EC Declaration of Conformity D claration de Conformit CE R STAHL Schaltgerate GmbH Am Bahnhof 30 74638 Waldenburg Germany erkl rt in alleiniger Verantwortung declares in its sole responsibility d clare sous sa seule responsabilit dass das Produkt that the product que le produit Typ type type Kennzeichnung marking marquage mit der EG Baumusterpriifbescheinigung under EC Type Examination Certificate avec Attestation d examen CE de type Zone 2 Ex n Feldgeratekoppler Zone 2 Ex n Field Device Coupler Zone 2 Ex n Coupleur pour apparails de terrain 9410 34 3d0 f0 d 1 2 3 f 3 4 6 3G Ry nA HeC Tae CE BVS 11 ATEX 031 X DEKRA EXAM GmbH Dinnendahlstrafe 9 44809 Bochum auf das sich diese Erkl rung bezieht mit den folgenden Normen oder normativen Dokumenten bereinstimmt which is the subject of this declaration is in conformity with the following standards or normative documents auquel cette d claration se rapporte est conforme aux normes ou aux documents normatifs suivants Bestimmungen der Richtlinie Terms of the directive Nummer sowie Ausgabedatum der Norm Number and date of issue ofthe standard Prescription de la directive 1994 9 EG ATEX Richtlinie 1994 9 EC ATEX Directive 1994 9 CE Directive ATEX 2004 108 EG EMV Richtlinie 2004 108 EC EMC Directive 2004 108 CE Directive CEM Allgemeine Normen ohne Bezug auf eine Richtlinie General st
4. If the field device coupler is operated as the last device on the trunk it must be terminated standard compliant with a terminating resistor e g R STAHL type 9418 see also chapter Installation The trunk voltage connected to the field device coupler is monitored for undervoltage lt 9 V and indicated by an LED Other LEDs indicate the status of the spurs Fieldbus iL Power Host Suppl I Spur i Trunk Ex nA T T Field Device Coupler Field Device Coupler Zone 2 Zone 2 Terminator Power Spurs 77 OIOWIO OOO 14454E01 Field devices Power management As soon as the voltage of 9 V on the trunk is exceeded the spurs are activated one after the other to prevent a high start up current caused by the field devices In the event of a short circuit the spur in question is deactivated until the short circuit is eliminated If several spurs are affected by a short circuit the trunk is loaded only with one short circuit current This minimises the current consumption of the trunk and the power dissipation of the field device coupler under all operating conditions Zone 2 Ex n Field Device Coupler 209295 941060310010 9410 34 2013 07 24 BA00 Ill en 01 Device Design 14458E00 7 Device Design 1 2 3 4 COPPWOV IAQ GVO OO E
5. gt Disconnect the fieldbus from the power supply gt Open the enclosure if necessary Insert the cables in the corresponding terminals of terminal TRUNK A TRUNK B 2 TRUNK A cable from the host or the fieldbus power supply TRUNK B if required cable to the next field device coupler or terminator if it is the last device on the trunk gt Close tighten the terminals gt Close the enclosure if necessary Spurs LS Only one field device may be connected on each spur connection LS For spurs wich comply with type of protection ic or nL work on live parts is permissible gt Disconnect the fieldbus from the power supply gt Open the enclosure if necessary Insert the cables in the corresponding terminals of the detachable terminals SPUR 1 SPUR X 1 gt Close tighten the terminals Plug the detachable terminals on the terminal block and secure them with safety screws against loosening gt Close the enclosure if necessary 10 5 Earthing Field device coupler without enclosure L The field device coupler does not have to be connected to earth The screens of trunk A trunk B and the spurs are internally connected via terminals S Field device coupler with metallic enclosure gt Connect the enclosure to earth via the shortest possible distance 10 6 Earthing of Cable Shields There are different regulations regarding earthing of cabl
6. Operating Instructions K Zone 2 Ex n DEE Field Device Coupler gt 9410 34 Contents 1 2 1 2 2 3 1 Contents 1 EES aac 2 2 General Ra eg A TEE 2 3 General Safety IMSWUCHONS sarai 2 4 Intended Field of Application sese eee 4 5 Technical Data E 5 6 DESCHDUGN OF FUNGHI 8 T Ee Re L 9 8 Transport Storage and HE E 9 9 AS 10 TO INS 10 KE 91171 e Tae S lt 127 VCC Jia 15 KE E le n Te lle 17 13 EC Declaration Of Conformity sese eee eee eee 18 General Information Manufacturer R STAHL Schaltgerate GmbH Am Bahnhof 30 74638 Waldenburg Germany Phone 49 7942 943 0 Fax 49 7942 943 4333 Internet www stahl ex com Operating Instructions Information ID No 209295 941060310010 Publication Code 2013 07 24 BA00 Ill en 01 Subject to alterations General Safety Instructions Safety Instructions for Assembly and Operating Personnel The operating instructions contain basic safety instructions which are to be observed during installation operation and maintenance Non observance will endanger persons plant and the environment A WARNING Risk due to unauthorised work being performed on the device gt Risk of injury and damage to equipment gt Assembling installation putting into service operation and maintenance must only be performed by personnel both authorised and suitably trained for this purpose Zone 2 Ex n Field Device Coupler 209295 941060310010 9410 34 201
7. 01 for fieldbus devices according to ic nL e g U gt 24 V gt Uo lt 24 V R STAHL fieldbus power supply 9412 02 10 Zone 2 Ex n Field Device Coupler 209295 941060310010 9410 34 2013 07 24 BA00 Ill en 01 Engineering in explosion nA Fieldbus power supply LL res 32 V Host Trunk lenght 1 Peery annan ee eee ee 1 1 ae redundant UySUy waz 32 V Engineering example 1 Installation proof type of protection nA or ic nL nL Fieldbus power supply U S 25 V Host Trunk lenght 1 WG i d i i D i H H H H H 1 i H H H i i i i D L H H D H L D D 1 L D D LI U D D i 1 LI q D D 1 1 i i i i q i i 1 i H H i i H i i i Soe d H H H H H H i i 1 i 1 i Host t H H b x 2 de x x E g c F Q redundant E d fos K P P U H U H i H at ot at H VW S Ss x U U s 25 V 12698E01 Fieldbus segment with daisy chain structure The trunk is looped through the field device couplers Fieldbus Power Supply Trunk length 1 redundant Spurs Ex nA ic E xec L X Trunk Tanke 2 Trunk EE 3 7 d 7 d 7 d 7 d 1 1 H 1 1 1 b 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 be be Aa cl da ebe c
8. S S Go SPUR7 SPUR8 SPUR9 SPUR10 SPUR11 lU me do SPUR 1 SPUR 2 SPUR 3 SPUR 4 SPUR 5 SPUR 6 TRUNK A Sins Cs S S vie S ve S FIELD DEVICE COUPLER OOO OOO OOO OOO OOO OO ZONE 2 Ex n 9410 34 330 60 1 Detachable terminals for spur 1 spur 4 spur 1 sour 8 or Spur 1 spur 12 2 Terminals for trunks A and B TRUNK A connection for incoming trunk TRUNK B connection for outgoing trunk or external terminator 3 Error indication LEDs for spur 1 spur 4 spur 1 spur 8 or spur 1 spur 12 4 Operation indication LED PWR Power 8 Transport Storage and Disposal Transport P Shock free in its original carton do not drop handle carefully Storage gt Store in a dry place in its original packaging P Permitted temperature range for storage in original packaging 40 C 80 C Disposal gt Ensure environmentally friendly disposal of all components according to the legal regulations 209295 941060310010 Zone 2 Ex n Field Device Coupler 2013 07 24 BA00 Ill en 01 9410 34 Assemby 9 Assemby A WARNING Incorrectly installed components gt If the components are installed incorrectly explosion protection is no longer guaranteed gt Carry out assembly strictly according to the instructions and national safety and accident prevention regulations e g IEC EN 60079 14 L Do not select a mounting location that requires a cable length exceeding the maximum permissible value see chapter Cab
9. all conditions 1 2 W LED green PWR U gt 9 V from trunk yes lt 2A lt 10 mV at2A 25 C extern e g R STAHL Type 9418 Spur ic and nL in combination with voltage limited fieldbus power supply only e g R STAHL Types 9412 01 or 9412 02 4 8 12 1 120m lt 1V 0 41 MA per spur 50 mA to terminals S connected to trunk and spurs optionally to earthing bar see accessories and spare parts set earthing bar 4 K or 8 K 50 mA LED red SPUR 1 SPUR 12 ON 40 75 C 40 80 C lt 95 Tested to the following standards and regulations EN 61326 IEC EN 61000 4 1 6 and 11 EN 55022 class B NAMUR NE 21 IEC EN 61000 4 1 6 8 and 11 EN 55022 class B 3 pole Screw terminals screen trunk spurs rigid 0 2 2 5 mm flexible 0 2 2 5 mm flexible end covering 0 25 2 5 mm sleeves on DIN rail EN 50022 NS 35 15 NS 35 7 5 or mounting plate vertical or horizontal Enclosure IP30 Terminals IP20 Fire protection class vo UL 94 6 Zone 2 Ex n Field Device Coupler 209295 941060310010 9410 34 2013 07 24 BAO0 IIl en 01 Installation conditions Connection diagram Foundation Fieldbus H1 or Profibus PA
10. and use the device only if it is undamaged dry and clean If you have questions gt Contact the manufacturer Warnings Warnings are sub divided in these operating instructions according to the following scheme Z WARNING Type and source of the danger gt gt Possible consequences gt Measures for avoiding the danger They are always identified by the signalling word WARNING and sometimes also have a symbol which is specific to the danger involved 209295 941060310010 Zone 2 Ex n Field Device Coupler 3 2013 07 24 BA00 Ill en 01 9410 34 Intended Field of Application 3 3 Symbols Used Action request Describes actions to be carried out by the user Reaction sign Describes the results or the reactions to the actions taken Bullet Information sign Describes notes and recommendations Warning symbol danger due to energised parts Warning symbol danger due to explosive atmosphere gt gt al 4 Intended Field of Application A WARNING Use the device in accordance with its designated use only gt Otherwise the manufacturer s liability and warranty will expire gt The device may only be used according to the operating conditions described in these operating instructions gt The device must be used in areas subject to explosion hazards only according to these operating instructions LS The Field Device Coupler 9410 34 30 has four sp
11. carrying out work on the trunk the fieldbus must be disconnected from the supply gt Secure the fieldbus against unauthorised activation EXCEPTION For spurs which comply with type of protection ic or nL work on live parts is permissible LE The screw terminals for trunk and spurs are detachable This facilitates the connection of cables on the terminals Foundation Fieldbus H1 or Profibus PA field devices ui 1 TRUNK A ole eto S ic nLinA _ o o nA 0 O SPUR 2 so ic nL nA _ o 0 SPUR 3 S Org ic nL nA 0 SPUR4 8 12 So r ic nLinA o o Foundation Fieldbus H1 or Profibus PA Trunk H DI DI nA 000 Hp Power Management 14364E00 2o oola 2 2o 2 aala S e lle S SE S Sour nt S SPUR 7 SPUR 8 SPUR 9 SPUR 10 SPUR 11 SPUR 12 PWR SPUR 1 SPUR 2 SPUR 3 SPUR 4 SPUR 5 SPUR 6 TRUNKA FIELD DEVICE COUPLER E ZONE 2 gx n 9410 34 330 60 11182E00 209295 941060310010 Zone 2 Ex n Field Device Coupler 13 2013 07 24 BA00 Ill en 01 9410 34 Installation Trunk L TRUNK A and TRUNK B S are connected to each other in terminal TRUNK A TRUNK B
12. for spurs 120 m 90 m 60 m 30 m 1 field device per spur Max cable length when a redundant host is used L The actual trunk and spur lengths can be shorter due to voltage drop L The following generally applies Spurs should be kept as short as possible 10 3 Examples of Cable Lengths Cable lengths for trunk with 12 field devices at a current consumption of 15 mA each L For engineering use the Fieldbus Wizard Engineering Tool Download available at www fieldbus solutions info Assumption X Fieldbus power supply with Uout gt 25 V lout gt 350 MA X Current consumption of host is 20 mA X Type A fieldbus cables loop resistance 48 Ohm 1000 m are used X Three field device couplers are located at the end of the trunk gt Maximum trunk length approx 1000 m 12 Zone 2 Ex n Field Device Coupler 209295 941060310010 9410 34 2013 07 24 BA00 Ill en 01 Installation Cable lengths for trunk with 16 field devices at a current consumption of 15 mA each Assumption X Fieldbus power supply with Usut gt 25 V lout gt 350 MA X Current consumption of host is 20 mA X Type A fieldbus cables loop resistance 48 Ohm 1000 m are used X Four field device couplers are located at the end of the trunk gt Maximum trunk length approx 800 m 10 4 Connection Z WARNING Danger due to live parts gt Explosion protection is not guaranteed any longer Before
13. k field devices Exd Exm Exq LS The R STAHL enclosures Series 8146 polyester 8125 sheet steel or stainless steel 8126 stainless steel and 8150 stainless steel meet the requirements indicated above 5 Technical Data Marking IECEx Ex nA ic IIC T4 Gc Europe ATEX amp Il 3 G Ex nA ic IIC T4 Gc Certificates IECEx IECEx BVS 11 0015X Europe ATEX BVS 11 ATEX E 031 X Installation in Zone 2 and in the safe area Safety data CENELEC per spur Max voltage Up Max current lg Max output power Internal capacitance Internal inductance Max external capacitance Max external inductance U from connected fieldbus power supply 54 mA rectangular characteristic Po 1 35 W decreases at U lt 25 V acc P U I C 110 pF Li 0 mH Co 80 nF for IIC Lo 0 27 mH for IIC Data transmission between trunk and spurs Trunk not intrinsically safe Ex nA passive no repeater function Connections Minimum input voltage Voltage range Undervoltage monitoring Surge protection Max current consumption 209295 941060310010 2013 07 24 BAQ00 Ill en 01 2 trunk connections A B internally bridged 10 3 V acc to FF 846 Note this guarantees an output voltage spurs at full load of min 9 3 V 9 32 V 9 25 V when used with spurs Ex ic U lt 9 V spurs deenergized LED PWR OFF es 9410 34 30 9410 34 40 9410 34 60 4 spurs 8 spurs 12
14. 3 07 24 BA00 Ill en 01 3 2 General Safety Instructions When installing the devices X When using the device in Zone 2 the device must be built into an enclosure which corresponds at least to the requirements of IEC EN 60079 15 X The connection components e g cable entries switches displays etc of the enclosure must comply with the requirements of IEC EN 60079 15 X Make sure that the maximum permissible ambient temperatures for the enclosure are not exceeded Before assembly putting into service gt Read through the operating instructions Give adequate training to the assembly and operating personnel gt Ensure that the contents of the operating instructions are fully understood by the personnel in charge gt The national assembly and installation regulations e g IEC EN 60079 14 apply When operating the devices gt Ensure the operating instructions are made available on location at all times gt Observe safety instructions gt Observe national safety instructions and accident prevention regulations gt Operate the device according to its performance data only gt Servicing maintenance or repair work which are not described in the operating instructions must not be performed without prior agreement with the manufacturer gt Any damage can invalidate the explosion protection Any alterations and modifications to the device impairing its explosion protection are not permitted Install
15. andards without reference to a directive Normes g n rales sans r f rence a une directive Waldenburg 10 06 2011 6 N Ort und Datum j Place and date Leiter Entwicklung und Technik Lieu et date Director Design and Technology Directeur D veloppement et Technique F 4174 601 01 2011 STMZ 18 Zone 2 Ex n Field Device Coupler 9410 34 J P Riickgauer f d L Numero ainsi que date d mission de la norme EN 60079 0 2009 EN 60079 11 2007 EN 60079 15 2010 EN 60079 27 2008 EN 61326 1 2006 EN 50178 1997 EN 61010 1 2001 Corrigendum Errata Dr S Jung Leiter Qualit tsmanagement Director Quality Management Dept Directeur D p Assurance de Qualit 9410 6 002 001 0_00 209295 941060310010 2013 07 24 BA00 Ill en 01
16. e shields X IEC EN 60079 14 section 12 2 2 3 X Profibus Technical Guideline Profibus PA User and Installation Guideline section 3 3 3 X Fieldbus Foundation System Engineering Guidelines AG 181 rev 3 1 chapter 7 3 section 6 2f 14 Zone 2 Ex n Field Device Coupler 209295 941060310010 9410 34 2013 07 24 BA00 Ill en 01 Putting into Service 10 7 Terminating Resistor terminator ee A terminating resistor is required at both ends of the trunk Spurs are operated without terminating resistors The field device coupler is located at the end of the trunk termination with external terminating resistor OO S SPUR 7 OOO OOO OOO OOO OOO Se se S EW S s E SPUR 8 SPUR 9 SPUR 10 SPUR 11 SPUR 12 PWR ee p SPUR 6 14460E00 gt Connect the external terminating resistor 9418 to the terminals TRUNK B and TRUNK B gt The external terminating resistor is active 11 Putting into Service Before putting into service Test the components for correct operation and installation in accordance with the operating instructions and other applicable specifications gt Check whether cables and lines are clamped properly gt Inspect enclosure for damage gt Inspect enclosure for foreign bodies Check whether all unused cable glands and holes are sealed off p
17. l ebe ele Aa ebe du ebe cl cb lt lt lt lt lt lt lt lt lt lt lt lt lt lt lt U h L L A U U fi A U U E U B U N D U A U DH at at 1 U ae ut pu CLI pr at at U U ut at at 1 WE PP CC CC P ST So P 2 S C P SET Engineering example 2 Fieldbus segment in which the field device couplers are connected to the trunk with junction boxes T connectors Fieldbus Power Host Supply Trunk Length 1 Trunk Length 2 Trunk Length 3 o g Host g pa Pa St ZEISS Pee Tees redundant H H H i H i H i H H H i OO O H 1 o lz OOO EC HRC HCH OOO ViVO OIV I frenn Spurs Ex nA ic E a SE P ER ES SS pa Pa d ES ES ES ES ES RS 209295 941060310010 2013 07 24 BA00 Ill en 01 11 Zone 2 Ex n Field Device Coupler 9410 34 Installation Engineering example 3 Fieldbus segment with star structure Fieldbus power Host supply Trunk lenght 2 Trunk lenght 1 ER EET redundant T Spur i Jlenght H H 144587E01 10 2 Cable Lengths for Trunk and Spurs in Accordance with IEC 61158 2 Annex B without Considering the Explosion Protection L The maximum length of all cables all trunks all spurs per segment must not exceed 1900 m L For engineering use the Fieldbus Wizard Engineering Tool Download available at www fieldbus solutions info Number of all field devices on the segment including Mr 19 24 125 30 Max cable length
18. le lengths for trunk and spurs 9 1 Assembly with Enclosure L For installation in Zone 2 enclosures suitable for Zone 2 are available 9 2 Assembly without Enclosure L Field device couplers without enclosures are always delivered ready for DIN rail mounting X For installation in non hazardous areas e g in normal control cabinet or open rack X For assembly in an appropriate enclosure not mentioned above 10 Installation Z WARNING Incorrectly installed components gt Explosion protection cannot be guaranteed any more if the components are installed incorrectly gt Carry out the installation in strict accordance with the instructions and national safety and accident prevention regulations e g IEC EN 60079 14 10 1 Engineering Engineering in type of protection Ex nA or Ex ic nL L When operating fieldbus devices of type of protection Ex ic acc to IEC 60079 11 Ex nL acc to IEC 60079 15 until 2010 or ic FISCO acc to IEC 60079 27 and IEC 60079 11 the required intrinsically safe current limiting is guaranteed by the field device coupler The voltage limiting required in each case U depending on U of the fieldbus device to be connected is done by selecting a suitable ic nL voltage limited fieldbus power supply for fieldbus devices according to ic FISCO U gt 17 5 V gt Uo lt 17 5 V R STAHL fieldbus power supply 9412
19. roperly P The voltage on the trunk must be at least 9 V DC gt The voltage on the connected field devices must be at least 9 V DC Putting into Service gt Observe the national regulations when putting into service gt Observe the directives in accordance with IEC EN 60079 17 when performing functional checks 209295 941060310010 Zone 2 Ex n Field Device Coupler 15 2013 07 24 BA00 Ill en 01 9410 34 Putting into Service 16 LED displays description of function OOO OOO OOO OOD BAC CPA QBOOCOVU S S S Ss S S TRUNK B 2664 Ki RR SPUR 7 SPUR 8 SPUR 9 SPUR 10 SPUR 11 SPUR12 PWR 14459E00 PWR SPUR 1 SPUR A Description green SPUR 1 SPUR 8 or Se SPUR 12 red Normal mode Corresponding spur connected to field device 0 mA lt I lt 40 mA In case of error Voltage on the trunk o k U 9V Open circuit on the corresponding spur Spur not connected Short circuit on the corresponding spur 50 mA Zone 2 Ex n Field Device Coupler 209295 941060310010 9410 34 2013 07 24 BA00 Ill en 01 Maintenance 12 Maintenance 12 1 Regular maintenance work Z WARNING Danger due to live parts gt Explosion protection is not guaranteed any longer Before carrying out work on the trunk the fieldbus must be disconnected from the supply gt Secure the fieldbus agains
20. spurs 0 MA each spur 25 mA 25 mA 25 mA 20 mA each spur 105 mA 185 mA 265 mA 41 mA each spur 189 mA 353 mA 517 mA 3 7 11 spurs at 41 mA 198 mA 362 mA 526 mA 1 spur in short circuit Short circuit all spurs 75 mA 75 mA 75 MA Zone 2 Ex n Field Device Coupler 5 9410 34 Technical Data Trunk not intrinsically safe Ex nA Power management Max power dissipation Indication Reverse polarity protection Rated operational current Voltage drop trunk A trunk B Terminating resistor Spurs Ex ic nA nL Note Quantity Number of field devices per spur Max cable length Voltage drop trunk spur Current range Max short circuit current Earthing of cable shields trunk and spurs Connecting over FDC Fault detection Spur short circuit Indication of short circuit per spur Ambient conditions Ambient temperature Storage temperature Relative humidity no condensation Electromagnetic compatibility Mechanical Data Terminals Assembly Installation position Degree of protection When the trunk voltage exceeds 9 V the spurs are energized one after the other to avoid high starting current resulting from field devices A short circuit detected on a spur will deenergize the respective spur until the short circuit is removed Regardless how many spurs are short circuited the trunk is loaded with max one spur short circuit current Thus the trunk current and the device power dissipation are minimized under
21. t unauthorised activation EXCEPTION For spurs which comply with type of protection ic or nL work on live parts is permissible gt Consult the relevant national regulations e g IEC EN 60079 17 to determine the type and extent of inspections gt Plan the intervals so that any defects in the equipment which may be anticipated are promptly detected To check as part of the maintenance schedule Check if the cables are clamped properly Check if safety screws of the plug in terminals are tightened properly Inspect tightness of the cable glands Inspect the enclosure for visual damage Check the seal between enclosure and cover Check the enclosure for moisture Check for compliance with the permissible temperatures Make sure that the device is used according to its designated use xo Se Se Se Se Se Se Se 12 2 Repair work Z WARNING Danger due to improper maintenance repairs gt Explosion protection is not guaranteed any longer gt Repair work to the device must only be performed by R STAHL 12 3 Cleaning X Clean with a cloth brush vacuum cleaner or similar items X When cleaning with a damp cloth use water or mild non abrasive non scratching cleaning agents X Never use aggressive cleaning agents or solvents 209295 941060310010 Zone 2 Ex n Field Device Coupler 17 2013 07 24 BA00 Ill en 01 9410 34 EC Declaration Of Conformity 13 EC Declaration Of Conformity
22. urs The Field Device Coupler 9410 34 40 has eight spurs The Field device Coupler 9410 34 60 has twelve spurs The device couplers of the Series 9410 34 are suitable for use in the hazardous area of Zone 2 They are used to connect four eight or twelve Ex nA Ex nL or Ex ic field devices or Ex d Ex m or Ex q Zone 1 field devices to a non intrinsically safe high energy trunk Designated use X For all fieldbuses with an IEC 61158 2 physical layer e g Foundation Fieldbus H1 and Profibus PA X When installed in Zone 2 the trunk connections comply with type of protection Ex nA X When operating fieldbus devices of type of protection Ex nA the spurs also comply with type of protection Ex nA X When operating fieldbus devices of type of protection Ex nL or Ex ic the trunk must be supplied according to IEC EN 60079 11 with Ex ic voltage limiter e g via the R STAHL fieldbus power supply 9412 01 or 9412 02 4 Zone 2 Ex n Field Device Coupler 209295 941060310010 9410 34 2013 07 24 BA00 Ill en 01 Technical Data Overview of explosion protection for field device couplers trunks and spurs Zone 2 Non hazardous area Zone 1 not permitted not permitted Zone 2 Ex n Zone 0 Field Device Coupler 9410 34 330 30 9410 34 330 40 9410 34 330 60 without enclosure Enclosure as per IEC 60079 15 required Spurs and not permitted Exd Exm Exq Ex nA Ex ic Ex nl or o

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