Operating Instructions
Contents
1. Do not select a mounting location that necessitates the cable lengths that exceed the maximal permissible values see chapter 10 3 Cable lengths 9 1 Mounting with enclosure L Relevant to field device couplers 941 1 21 211 31 9411 21 221 31 respectively 9411 21 231 31 in polyester enclosure 8146 61 and 9411 21 211 31 9411 21 221 31 respectively 9411 21 231 31 in stainless steel enclosure 8146 71 gt Installation with screws hole spacing see chapter 4 Technical data 9 2 Mounting without enclosure L _ Relevant to field device couplers 9411 21 210 31 9411 21 220 31 respectively 9411 21 230 31 L Field device couplers without enclosures are always delivered ready for DIN rail mounting X For installation in non hazardous areas e g g in normal switch cabinet or open rack X For installation in an enclosure not mentioned above 161935 941160310010 Zone 1 Ex i Field Device Coupler 13 2014 04 25 BA00 IIl en 07 4 Spurs 9411 21 Installation 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 Examples of fieldbus segment topologies Fieldbus power Host supply Trunk length 1 T2. SeH Hel a ILG aoo sS Ses N N O on A OUO 8 See Ss Sea EH 11455E00 Ex e area The Ex e connection terminals for the trunk and the jumper for activating the terminating resistor are protected by a hinged cover IP 30 Ex i area Ex i connection terminals for spur 1 spur 4 Operation indicating LEDs for spur 1 spur 4 Operation indicating LEDs for PWR power and ERR error Cable screen bus bar for cable shields with slidable terminals Ground bolt for earthing Partition plate guarantees prescribed spacing of lead wires between Ex e and Ex i connection terminals Park position for jumper Transport Storage and Disposal Transport gt 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 75 C Zone 1 Ex i Field Device Coupler 161935 941160310010 4 Spurs 9411 21 2014 04 25 BA00 III en 07 Disposal Assembly gt Ensure environmentally friendly disposal of all components according to the legal regulations 9 Assembly Z WARNING Incorrectly installed components gt Explosion protection cannot be guaranteed any more if the components are incorrectly installed gt Carry out the assembly in strict accordance with the instructions and natio nal safety and accident prevention regulations e g IEC EN 60079 14 L
3. _ Instructions Sibus Zone 1 Ex i Field Device Coupler 4 Spurs gt 9411 21 Contents 1 2 1 2 2 2 3 Contents 1 AS ela 2 2 General Ra eg A TE 2 3 General Safety INSWUCHONG sssszssss2ss 2925 ase eeencectenmdetdseersceueeenteessxsaves apaan 4 4 Lechnical AUER ssisasssitaedescasapananns oli nsensusaraekasednanteedasaiabsee arh erai 6 5 Designated EE eege 10 6 Functional euie 11 T Device e le EE 12 8 Transport Storage and Disposal sese eee 12 9 POS IMI EE 13 10 instalation EE 14 TI Puttinginto OT VC E 22 h Maintenance eege EENEG 23 13 EC Declaration Of Conformity sese eee eee eee ee eee 24 14 Certification Drawing EE 25 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 161935 941160310010 Publication Code 2014 04 25 BA00 IIl en 07 We reserve the right to make technical changes without notice Definitions of terms Trunk The trunk is the main bus line when describing fieldbus topology Terminating resistor Both ends of the trunk are connected with a terminating resistor 100 ohms 1 mF Spur A spur connects the trunk with the field devices Spurs can be further subdivided into additional branches Fieldbus power supply The fieldbus power supply feeds DC power to field devices on the fieldbus and effects impedance
4. 120 m 10 4 Examples of cable lengths Cable lengths for trunk with 12 field devices with a current consumption of 15 mA Assumption X Fieldbus power supply with Ua gt 25 V lout gt 350 MA X Current consuption of host is 20 mA X Type A fieldbus cables loop resistance 48 ohms 1000 m are used X Three field device couplers lie at the end of the trunk gt Maximum trunk length approx 600 m Cable length for trunk with 16 field devices with a current consumption of 15 mA per device Assumption X Fieldbus power supply with Uu gt 25 V lout gt 350 MA X Current consumtion of host is 20 mA X Type A fieldbus cables loop resistance 48 ohms 1000 m are used X Four field device couplers lie at the end of the trunk gt Maximum trunk length approx 380 m 16 Zone 1 Ex i Field Device Coupler 161935 941160310010 4 Spurs 9411 21 2014 04 25 BA00 III en 07 10 5 Connection Installation A WARNING gt Explosion protection is not guaranteed any longer gt Always lay intrinsically safe and non intrinsically safe cables paths Laying of intrinsically safe and non intrinsically safe cabling together in separate Foundation Fieldbus H1 or Profibus PA Field devices o S TRUNK OUT Exi Ex i O Power Management TRUNK IN TRUNK OUT TERM spuR1 SPUR2 spun a sPUR4 AD O ele DAA A D ie ooe Gales ee H ESSE EE EE Foundation Fieldbus Hi
5. Alternatively use Terminal S for connection of the cable shield for capacitive lt 5 2 nF decoupled grounding or use ground busbar terminals for direct ground connection Ambient temperature 40 C 75 C Type 9411 21 2a0 c1 20 C 70 C Type 9411 21 2ab c1 b 3 4 10 The following only applies for Type 9411 21 2a0 c1 e Use a general purpose enclosure meeting the requirements of ANSI ISA S82 02 01 for use in non hazardous or Class Division 2 hazardous classified locations Use an FM Approved Dust ignition proof enclosure appropriate for environmental protection in Class Il Division 1 Groups E E and G and Class III hazardous classified locations The FDC Type 9411 21 2a0 c1 are to be snap mounted on DIN rail or screw mounted on a rail or plate Certification drawing 2006 Date Name Scale Drawn 24 05 Einsiedler IS bus Field Device Coupler none SES Type 9411 21 2 1 1 of 1 Drawing No Agency 9411 6 031 001 1 FM Zone 1 Ex i Field Device Coupler 25 4 Spurs 9411 21
6. protection ATEX IECEx Certificates ATEX IECEx Installation Safety data CENELEC per spur Max voltage Uo Max current lo Max power Po Max connectable capacitance C for IIC IIB Max connectable inductance L for lIC IIB Max internal capacitance C H Max internal inductance L Insulation voltage Um Power supply Galvanic isolation Ex i spurs to Ex e trunk Ex i spur to Ex i spur II 2 1 G Ex mb eb ib ia IIC T4 Ex mb eb ib ia IIC T4 II 1 D Ex ia IIIC Ex ia IIIC II 2 1 G Ex mb eb ib ia IIC T4 Ex mb eb ib ia IIC T4 Il 2 1 D Ex tD A21 IP 6X T80 C ia D Ex tD A21 IP 6X T80 C ia D BVS 06 ATEX E 004 X IECEx BVS 08 0057 X in Zones 1 and 2 Zones 21 and 22 dust Class Zones 1 and 2 Class Division 2 and in the safe area suitable enclosure necessary e g R STAHL Series 8146 plastic or 8125 8150 stainless steel FISCO IEC 60079 27 15 7 V 245 mA 960 mW 476 nF 2878 nF 0 58 mH 2 9 mH 1 1 nF 0 mH 253 V not required the Field Device Coupler is powered from the trunk Test voltage according to EN 50020 1 5 kV AC No galvanic isolation 161935 941160310010 2014 04 25 BA0Q00 Ill en 07 6 Zone 1 Ex i Field Device Coupler 4 Spurs 9411 21 Data transmission between trunk and spurs Trunk non intrinsically safe Exe Connections Voltage range Undervoltage monitoring Max current consumption Max power dissipation I
7. Test the components for correct operation and installation in accordance with the operating instructions and other applicable specifications P Check that cables and lines are clamped properly gt Inspect housing for damage gt Inspect housing for foreign bodies P Check whether all unused cableglands and holes are sealed off properly gt The voltage on the trunk must be at least 16 V DC gt The voltage to the connected field devices must be at least 9 V DC Commissioning gt Observe the national regulations when commissioning gt Follow the Directives in accordance with EN 60079 17 when conducting function inspections LED indicators functional description 11451E00 PWR green ERR red S 1 4 Description yellow OFF geg ee No voltage on the trunk ON Lee on trunk o k ae k gt 16V Open circuit on the corresponding spur Spur not connected l lt 1mA bf Eege spur connected to field device PC mA lt I lt 50 mA W blinking Short circuit on the corresponding spur 40 mA lt I lt 50 mA Internal device fault 22 Zone 1 Ex i Field Device Coupler STAHL 161935 941160310010 4 Spurs 9411 21 2014 04 25 BA00 IIl en 07 Maintenance 12 Maintenance Z WARNING Danger from energised parts gt Explosion protection is not guaranteed any longer gt Switch off the power to the fieldbus before opening the enclosure cover gt Secure the fieldbus against unauthorised activation
8. adaptation between the fieldbus and the main power Electrically the host behaves the same as a field device Zone 1 Ex i Field Device Coupler 161935 941160310010 4 Spurs 9411 21 2014 04 25 BA00 III en 07 General Information Field device Field devices are often supplied from the fieldbus however they can also have their own power supply 4 wire device Host The host is the brain of the fieldbus In general the host is a process control system PCS a programmable logic controller PLC or a PC Segment Asegmentin this context indicates the entire unit consisting of trunk terminating resistors and all spurs DP PA coupler The DP PA coupler connects a Profibus PA segment with a Profibus DP The fieldbus power supply is integrated in the DP PA coupler Master The Profibus master is generally a process control system PCS a programmable logic controller PLC or a PC Structur of a Profibus PA segment Master DP PA coupler Terminating resistor Profibus DP Trunk Profibus PA J Power Power Option Field device 11462E02 Structur of a Foundation Fieldbus H1 segment Fieldbus power dei supply Terminating resistor Trunk Foundation Fieldbus H1 JH Power Power Option Field device Spion 11463E02 161935 941160310010 Zone 1 Ex i Field Device Coupler 3 2014 04 25 BA0Q00 Ill en 07 4 Spurs 9411 21 General Safety Instructions 3 3 1 3 2 Gener
9. as per Enclosure as per o k 9411 21 220 31 permitted 2 enclosure IEC EN60079 14 IEC EN 61241 1 IEC EN 61241 1 9411 21 230 31 i required with enclosure 9411 21 211 31 not ok o k o k k o k 9411 21 221 31 permitted 9411 21 231 31 with polyester enclosure 8146 61 9411 21 212 31 9411 21 222 31 9411 21 232 31 with stainless steel enclosure 8125 61 Trunk not Exi Ex nA o k o k o k permitted Spurs Ex ia Ex ia Ex nL o k ok o k LS The R STAHL enclosure series 8146 polyester 8125 sheet steel or stainless steel 8126 stainless steel meet the requirements A WARNING When mounting in an EX e enclosure Affix an indication label in accordance with IEC EN 60079 7 Non intrinsically safe circuits protected by internal IP30 cover Zone 1 Ex i Field Device Coupler 161935 941160310010 4 Spurs 9411 21 2014 04 25 BA00 Ill en 07 Functional Description 6 Functional Description The field device coupler is used for connecting up to four intrinsically safe field devices to a non instrinsically safe trunk In so doing the trunk and spurs are galvanically isolated The field device coupler functions at the physical level only e g it functions independent ly of the protocol used It can therefore be used for every fieldbus that is compliant with IEC 61158 2 At this time these include the Foundation Fieldbus H1 and the Profibus PA Each field device can be supplied w
10. be capacitively earthed by connecting to the S marked terminals gt Connect the earthing bolt to the cable screen bus bar delivery condition from factory gt Connect the cable screen bus bar to earth Field device coupler with metal enclosure gt Connect the enclosure to earth via the shortest possible route 10 7 Earthing of cable shields There are many and sometimes inconsistent regulations regarding earthing of cable shielding 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 section 6 2f If high quality potential equalisation exists within the plant L This shielding concept is recommended by R STAHL The direct earthing the cable shielding at both cable ends is the best solution in view of electromagnetic compatibility The prerequisite for this is high quality potential equalisation 18 Zone 1 Ex i Field Device Coupler 161935 941160310010 4 Spurs 9411 21 2014 04 25 BA00 III en 07 Installation Field Device Coupler H Tt Ex e EX i w j N 9411 21 210 31 ed TRUNK IN TRUNK OUT TERM SPUR1 SPUR2 SPUR3 SPUR4 e SANAN ENEE A al ISCH l Wil 11457E00 gt Lay all cable shields of the trunk and spurs on the cable screen bus bar 1 gt Connect the cable screen bus bar to earth via the shortest possible
11. fieldbus power supply side as a rule at the fieldbus power supply gt Insulate the cable shields of the spurs connecting at the field devices Do not earth them 20 Zone 1 Ex i Field Device Coupler 161935 941160310010 4 Spurs 9411 21 2014 04 25 BA00 III en 07 Installation 10 8 Terminating resistor terminator LS JA terminating resistor is required at both ends of the trunk Spurs are operated without terminating resistors Field device coupler is located at the end of the trunk TRUNK 11 TRUNK 2 TERM SI U SIG UD SI Wo U r d 11453E00 LE The terminals on the TRUNK OUT terminal block are not to be used P Remove the factory provided jumper from the park position 1 gt Insert the jumper in terminals 1 and 2 on the TERM terminal block 2 gt Close screw tight the terminals gt The built in terminating resistor is activated Field device coupler is not located at the end of the trunk TRUNK 1 TRUNK 2 TERM LL Si SII 2 11454E00 Ce The terminals on the TERM terminal block are not to be used gt Insert the factory provided jumper in the park position 1 gt The built in terminating resistor is not activated 161935 941160310010 STAHL Zone 1 Ex i Field Device Coupler 21 2014 04 25 BA00 Ill en 07 4 Spurs 9411 21 Putting into Service 11 Putting into Service Before commissioning gt
12. or Profibus PA Trunk 11459E02 Trunk 11452E00 A WARNING Open cover on the non intrinsically safe trunk gt Explosion protection is not guaranteed any longer gt The fieldbus must be deactivated before opening the cover gt Secure the fieldbus against unauthorised activation field device coupler L TRUNK IN and TRUNK OUT S are connected through internally in the gt Disconnect the fieldbus from the power supply gt Open enclosure cover gt Insert leads in the corresponding terminals TRUNK IN Lead from host or fieldbus power supply TRUNK OUT If applicable lead to the next field device coupler gt Close screw tight the terminals P Close cover enclosure 161935 941160310010 Zone 1 Ex i Field Device Coupler 2014 04 25 BA00 IIl en 07 4 Spurs 9411 21 17 Installation Spur L _ Intrinsically safe spur connections can be worked on while connected to power L Only one field device can be connected per spur connection gt Open enclosure gt Insert leads in the corresponding terminals gt Close screw tight the terminals gt Close enclosure 10 6 Earthing Field device coupler without enclosure L The field device coupler is not required to be connected to earth because the intrinsically safe and non intrinsically safe circuits are galvanically isolated from each other If the cable shields are to
13. 28 1 EE 218 e De EELER poooes len ia 2 S al CN 0 o Zi E 7 E 80500 U S A Joo0508 2 om LR E Sa a E TRDE Oes 10948E00 9411 21 2 2 41 Enclosure 8125 071 incl Field Device Coupler 161935 941160310010 Zone 1 Ex i Field Device Coupler 9 2014 04 25 BA0Q00 Ill en 07 4 Spurs 9411 21 Designated Use 5 10 Designated Use Z WARNING Use the device for its intended purpose only gt Otherwise the manufacturer s liability and warranty expire gt Only use the device under the operating conditions described in the operating instructions gt The device must be used in areas subject to explosion hazards only according to these operating instructions The series 9411 21 field device coupler is suitable for use in Zone 1 2 21 and 22 hazardous areas It is used for connecting up to four intrinsically safe field devices to a non intrinsically safe trunk In so doing the trunk and spurs are galvanically isolated Intended use X For all fieldbuses with a IEC 61158 2 physical layer e g Foundation Fieldbus H1 and Profibus PA X For non instrinsically safe trunks Ex e connections X For intrinsically safe spurs Ex i and FISCO to connect intrinsically safe field devices Overview of explosion protection for field device coupler trunk and spurs Field device coupler EX e Ex i Zone 0 Zone 1 Zone 2 Zone 21 Zone 22 non hazardous area 9411 21 211 31 not Enclosure as per Enclosure
14. L The enclosure may be opened while connected to power Intrinsically safe spurs can be worked on while connected to power 12 1 Regular Maintenance Work 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 that cables and lines are clamped properly Tightness of the cable glands Inspect the enclosure for visual damage Check the seal between enclosure and cover Check the enclosure for moisture Check the compliance with the permitted temperatures Make sure that the device is used according to its designated use e 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 161935 941160310010 Zone 1 Ex i Field Device Coupler 23 2014 04 25 BA00 IIl en 07 4 Spurs 9411 21 EC Declaration Of Conformity 13 EC Declaration Of Conformity 24 EG Konformitatserklarung EC Declaration of Co
15. MA per spur 12V 650 50 mA Yellow LED S1 S4 on grounding bar via 4 7 nF at terminal S grounding bolt M6 If the trunk voltage exceeds 16 V the spurs are switched on one after the other to prevent a high start up current due to the field devices A short circuit detected on a spur will deactivate the respective spur until the short circuit is removed Regardless of how many spurs are short circuited the trunk is loaded with max one short circuit current This minimises the current consumption of the trunk and the power dissipation under all operating conditions 2 42 50 mA Yellow LED S1 S4 flashes Red LED ERR flashes Red LED ERR 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 Zone 1 Ex i Field Device Coupler T 4 Spurs 9411 21 Technical Data Ambient conditions Ambient temperature Storage temperature Relative humidity no condensation MTBF according to SN 29500 Connection diagram Mechanical data Terminals Assembly Installation position Degree of protection Enclosure Ex i terminals Ex e terminals Fire protection class UL 94 Field Device Coupler in a standard enclosure Version Degree of protection Cable glands Coupler mounted on DIN rails Coupler built in a standard enclosure 40 75 C lt 95 109 years
16. al 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 Z WARNING Danger due to unauthorised work being performed on the device gt There is a risk of injury to persons and damage to equipment Assembly installation commissioning operation and maintenance must only be performed by personnel who are both authorised and suitably trained for this purpose Before assembly commissioning 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 installation and assembly 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 Observe safety instructions gt Observe national safety instructions and accident prevention regulations gt Only run the device according to its performance data gt Servicing maintenance or repair work which are not described in the operating instructions must not be performed without prior agreement with the manufacturer Any damage may render explosion protection of the device null and v
17. at 40 C Foundation Fieldbus H1 or Profibus PA field devices 40 75 C 20 70 C Hh TRUNK IN FISCO Exi FISCO Ex i Z 7 Mon Exi o TERM Dei Foundation Fieldbus H1 or Profibus PA FISCO Exi trunk TRUNK OUT FISCO Ex i ech S Non Ex i e F Power management T m 10911E01 3 pole screw terminals spring cage terminals detachable screw screen terminals trunk Ex e trunk Ex e spurs Ex i only for spurs Ex i spurs Ex i trunk Ex e see screw terminals rigid 0 2 4 mm 0 5 2 5mm 0 08 2 5mm D 4mm flexible 0 25 2 5mm 0 5 2 5mm 0 08 2 5mm 0 25 2 5 mm flexible end 0 25 2 5mm 0 5 1 5mm 0 08 1 5mm 0 25 2 5 mm covering sleeves on DIN rail EN 50022 NS 35 15 NS 35 7 5 or mounting plate vertical or horizontal IP30 IP20 IP30 cover closed enclosure may be opened in hazardous area while connected to power HB material enclosure Series polyester 8146 061 stainless steel 8125 061 IP66 cable glands Series 8161 breathing gland Series 8162 Field Device Coupler 9411 21 211 31 9411 21 221 31 9411 21 231 31 9411 21 212 31 9411 21 222 31 9411 21 232 31 4 x M20 blue Ex i spurs 2 x M20 black Ex e trunk 1 x M16 black earth 1x M25 LS Additional technical data for layout and designs see the data sheet 4 Spurs 9411 21 Zone 1 Ex i Field Device Coupl
18. er 161935 941160310010 2014 04 25 BA00 III en 07 Technical Data Dimensional Drawings All Dimensions in mm inches Subject to Alterations el as o lf S S E EI E E E wo 2 eL T E ee 9 N z S STS IOT i N E 2 E E S Ziel Ve S gt SS E B N e lo SH e Dei of 340 5 mm 13 41 8 S EI E 322 5 mm 12 7 Ss i X 1 S s S 3 1S E c E 200000 IO poooos ee re E E 2 8 Foie 8 E 8 e 8 2 wo RH o Ges SE 8 3 oj E 8 8 BAS z ge L ee 2 en g 8 Ssss Lo 111 mm 4 37 E Al i re 126 mm 4 96 3 f Fa II TI TI LI II II TI LI I 128 mm 5 04 IT LL Lo La 10944E00 10946E00 9411 21 2 0 41 9411 21 2 1 41 Field Device Coupler without enclosure Enclosure 8146 S71 incl Field Device Coupler 4 r ESA a P i l d 2 COQOOOOOOOO G S SIS ein C weil Ss WS E i 360 mm 14 17 J E 320 mm 12 60 F 7 mm 0
19. ice and spur connections are met Spur of field Field device device coupler Up lt U lo lt l Po lt P Co Ci Ccable Lo UT Leable Whereby Ccable and Leable are the results of the total capacity respectively inductivity of the spur cable which in turn depends on the cable length 161935 941160310010 Zone 1 Ex i Field Device Coupler 15 2014 04 25 BA00 IIl en 07 4 Spurs 9411 21 Installation 10 3 Cable lengths for trunk and spurs in accordance with IEC 61158 2 Annex B without considering the explosion protection LE The maximum length for all cables all trunks all spurs per segment must not exceed 1900 m Number of all field devices on the segment including host s Tla 1314 15 18 19 24 25 30 Max cable length for spurs 120 m 90 m 60 m 30 m 1m 1 field device per spur Max cable length for spurs 90 m 60 m 30 m 1m 1m 2 field devices per spur e g for redundant hosts LS The actual trunk and spur lengths can be shorter due to voltage drop LE The maximum length of an Ex i spur according to IEC 60079 27 FISCO is 30 60 m From the viewpoint of the FISCO model the Ex i spurs of a field device coupler are to be considered as a new segment whereby the maximum segment length trunk spurs 1000 m The table above can be used for this purpose LE The following generally applies Spurs should be kept as short as possible Maximum spur length
20. ith a maximum of 40 mA current As short circuit protection each spur features a 50 mA current limiting function A termination resistor is built in and can be activated deactivated via a jumper Cable shield can either be capacitively or directly earthed The trunk voltage connecting to the field device coupler is monitored for undervoltage lt 16 V and indicated by a LED Other LEDs indicate the status of the spurs Zones 1 2 21 22 Field device coupler Ex e Exi Fieldbus power Host supply Trunk Ex e Field device coupler Ex e Exi il T Terminating resistor Power Spurs Ex i Field devices 11458E02 Power management As soon as the voltage of 16 V on the trunk is exceeded the spurs are activated one after the other to prevent a high start up current 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 maximum one short circuit current This minimises the current consumption of the trunk and the power loss of the coupler under all operating conditions 161935 941160310010 Zone 1 Ex i Field Device Coupler 11 2014 04 25 BA00 IIl en 07 4 Spurs 9411 21 Device design 7 12 Device design Field Device Coupler S Ex e EX i D 7 Leng 9411 21 210 31 4 ed TRUNK IN TRUNK OUT TERM spuR1 SPUR2 SPUR3 sPUR4
21. lace and date Lieu et date Director Design and Technology Directeur D veloppement et Technique F 4174 601 11 2009 STMZ Zone 1 Ex i Field Device Coupler 4 Spurs 9411 21 Num ro ainsi que date d mission de la norme EN 60079 0 2009 EN 60079 7 2007 EN 60079 11 2007 EN 60079 15 2005 EN 60079 18 2004 EN 60079 26 2007 EN 60079 27 2008 EN 61241 0 2006 EN 61241 1 2004 EN 61241 11 2006 EN 61326 1 2006 EN 50178 1997 EN 61010 1 2001 Corrigendum Errata Dr S Jung Leiter Qualitatsmanagement Director Quality Management Dept Directeur D p Assurance de Qualit 9411 6 002 002 0_00 161935 941160310010 2014 04 25 BA00 III en 07 Certification Drawing 14 Certification Drawing F 4830 510 161935 941160310010 2014 04 25 BA00 IIl en 07 The Type 9411 21 2 1 Field Device Coupler is an Explosion protected device for installation in Class Zone 1 or Class Il III Div 2 Groups A G hazardous Classified areas and provides intrinsically safe connections for four or eight field devices located in Class I Il Ill Division 1 Group A G or Class l Zone 0 AEx ia Group IIC IIB hazardous locations according to NEC Article 504 505 as listed below Field device coupler Type 9411 21 2ab c1 a numeral 1 or 2 for design of terminal 1 Screw type terminals 2 Cage clap terminals b numeral 0 3 or 4 for Protective Enclosure 0 without 3 Plastic Type 8146 4 Metal Type 8125 c nu
22. meral 3 or 4 for number of Channels 3 4 Cannels 4 8 Channels Entity parameters for wiring configurations are as follows Lo Lo Co Co Lo Ro Lo Ro Terminals Voc Isc Po CL I Div 1 CL I Div 1 CL I CL I Div 1 CEL CL I Div 1 SPUR 1to4 M mA mW A B C G Div 1 A B C G Div 1 A B C G 8 Zone 0 GP Zone 0 GP Zone 0 GP Zone 0 GP Zone 0 GP Zone 0 IC IIB lic IIB IIC GP IIB 15 7 245 960 0 58 mH 2 9 mH 476 nF 2878 nF Notes For Connections refer to chapter 10 of Operation instruction ID Nr 9411 6 031 001 0 Intrinsically safe apparatus may be one of the following switches thermocouples LEDs RTDs or Entity device connected in accordance with the manufacturer s installation instructions For Entity concept use the appropriate parameters to ensure the following Vt or Voc lt Vmax Co Ca gt Ci Ccable Po lt Pi It or Isc lt Imax Lo La gt Li Lcable Electrical apparatus connected to the non intrinsically safe Connections Trunk IN Trunk Out and Term shall not use or generate voltages gt 250 V Umax Installation should be in accordance with Article 504 505 of the National Electrical Code ANSI NFPA 70 and ANSI ISA RP 12 06 01 Installation in Canada should be in accordance with the Canadian Electrical Code CSA C22 1 Part 1 Appendix F Each channel shall be installed within a separately shielded cable or a single cable with a separate shield for each channel
23. ndication Reverse polarity protection Max number of Field Device Couplers Terminating resistor Spurs intrinsically safe FISCO Exi Quantity Max cable length Output voltage Current range Min no load voltage Max internal resistance Max short circuit current Indication per spur Earthing of cable shields trunk and spurs Direct earthing Capacitive earthing Power management Fault detection Spur short circuit Indication of short circuit per spur Collective error message Error indication on field device coupler Electromagnetic compatibility 161935 941160310010 2014 04 25 BA00 IIl en 07 Technical Data passive no repeater function 2 trunk connections in out internally bridged 16 32 V U lt 16 V spurs de energised at 16 V at 24 V at 32 V 0 mA per spur 28 mA 24 mA 22 mA 20 mA per spur 120 mA 80 mA 65 mA 40 mA per spur 220 mA 140 mA 105 mA 3 spurs at 40 mA each 235 mA 150 mA 105 mA 1 spur in the short circuit Short circuit all spurs lt 80 mA lt 60 mA lt 50 mA 1 8 W Green LED PWR U 16 V from trunk yes 4 per trunk The field device couplers have a built in switchable terminating resistor 100 Q 1 UF IEC 61158 2 A jumper between the terminals TERM 1 and 2 connects the terminating resistance to the trunk As an alternative it is also possible to use an external terminating resistor series 9418 4 120 m 2 10 V at 40 mA per spur 0 41
24. nformity D claration de Conformit CE Wir we nous R STAHL Schaltgerate GmbH Am Bahnhof 30 74638 Waldenburg Germany erklaren in alleiniger Verantwortung dass das Produkt hereby declare in our sole responsibility that the product d clarons sous notre seule responsabilit que le produit mit der EG Baumusterpriifbescheinigung under EC Type Examination Certificate avec Attestation d examen CE de type 9411 21 2de f1 9411 24 3de f1 d 1 2 e 0 1 2 f 3 4 Feldgeratekoppler Field device coupler Coupleur d appareil de terrain BVS 06 ATEX E 004 X DEKRA EXAM GmbH Dinnendahlstrake 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 of the standard Prescription de la directive 94 9 EG ATEX Richtlinie 94 9 EC ATEX Directive 94 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 standards without reference to a directive Normes g n rales sans r f rence a une directive Waldenburg 16 07 2010 Ort und Datum P
25. oid gt No changes to the device impairing their explosion protection are permitted gt Install 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 to avoid danger They are always identified by the signalling word WARNING and sometimes also have a symbol which is specific to the danger involved Zone 1 Ex i Field Device Coupler 161935 941160310010 4 Spurs 9411 21 2014 04 25 BA00 III en 07 General Safety Instructions 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 Sentinel Describes the notes and recommendations Warning sign danger from energised parts Warning sign Danger due to an explosive atmosphere E gt gt 161935 941160310010 Zone 1 Ex i Field Device Coupler 5 2014 04 25 BA00 IIl en 07 4 Spurs 9411 21 Technical Data 4 Technical Data Explosion protection Coupler mounted on DIN rail Gas explosion protection ATEX IECEx Dust explosion protection ATEX IECEx Coupler in the standard enclosure Gas explosion protection ATEX IECEx Dust explosion
26. route 2 LE When installingdirectly with screws in metal enclosure 8125 the earthing bolt is electrically connected via mounting to the enclosure gt Directly earth the cable shield of the trunk at the host fieldbus power supply side as a rule at the fieldbus power supply gt Directly earth the cable shields of the spurs at the field devices 161935 941160310010 Zone 1 Ex i Field Device Coupler 19 2014 04 25 BA00 IIl en 07 4 Spurs 9411 21 Installation If no high quality potential equalisation exists within the plant Field Device Coupler S a STAHL Ex e Ex i x Cx 9411 21 210 31 ed TRUNK IN TRUNK OUT TERM SPUR1 SPUR2 SPUR3 SPUR4 Enge geet OTAS DTO DSSS R RR H R 5 Me pi 2 DoH 1 7 11456E00 gt Connect the cable shields of the trunk to the TRUNK IN S terminals and if needed to the TRUNK OUT S 1 gt Connect the earthing bolt 2 with the cable screen bus bar so that good conductance is achieved delivery condition from factory gt Connect the cable screen bus bar to earth via the shortest possible route 3 gt In this way the cable shield of the trunk is capacitively earthed LE When installing directly with screws in metal enclosure 8125 the earting bolt is electrically connected via mounting to the enclosure gt Lay the cable shields of the spurs on the cable screen bus bar gt Directly earth the cable shield of the trunk at the host
27. runk Trunk length 2 Trunk Trunk length 3 Trunk Trunk length 4 Spur length redundant 11460E02 Fieldbus segment with daisy chain structure The trunk is looped through the field device couplers Fieldbus power Host supply Trunk length2 Trunk length3 Trunk length4 bm ber ETA ield device coupler Exe Exi eee eee redundant Spurs Ex i soe 11461E02 Fieldbus segment in which the field device couplers are connected to the trunk with junction boxes T connectors 14 Zone 1 Ex i Field Device Coupler 161935 941160310010 4 Spurs 9411 21 2014 04 25 BA00 III en 07 Installation Fieldbus power Host supply Trunk length 1 Trunk length 2 Spur q gt H Trunk I I H i T not Exi i i re WW Ste Ee i H H I i lt 1m D H D Kane t maand Field device coupler Field device coupler Field device coupler ield device coupler i i E i E i redundant Spur S Exi PEER length 11464E02 Fieldbus segment with star structure 10 2 Proof of intrinsic safety Proof of intrinsic safety in accordance with FISCO A spur is intrinsically safe if X the field device is certified in accordance with FISCO X the conditions regarding cable values as per IEC 60079 27 are adhered to Rce 15 150 Ohm km Le 0 4 1mH km Ceo 45 200nF km Proof of intrinsic safety in accordance with the classic entity concept A spur is intrinsically safe if the safe maximum values for the field dev
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