PROZESSAUTOMATION
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1. overloaod protection and short circuit current limitation for the connection of 12 field devices Zone 1 Zone 2 Div 2 FNICO Seetreneseses008oes4eea3 cE IOM PEPPERL FUCHS it FieldConnex With regard to the supply of products the current issue of the following document is applicable The General Terms of Delivery for Products and Services of the Electrical Industry as published by the Central Association of the Elektrotechnik und Elektroindustrie ZVEI e V including the supplementary clause Extended reservation of title We at Pepperl Fuchs recognise a duty to make a contribution to the future For this reason this printed matter is produced on paper bleached without the use of chlorine Part No 181657 Date of issue 21 02 2005 Manual List of content 1 Explanation of symbols sssssssusssennennnnnnnnnnnunnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnna 2 2 lntrod ctioM nanninannan eaaa aeaa iardain aa aa aaa E adaa ahai aaia 3 3 Details naene eaa e nce ca e aaa eaaa 4 3 1 Intended use 00 nee cee cece cece cece cee eeeecae cece eeeeaaeeeeeeceaaeaeeeeseaaeaeeeeseeeeaeeeeeeeees 4 3 2 MAKING ic sices nace ebscuvetneet cadences i nii ai reiia a 5 3 3 Mounting and diSMOunting eee eeeeeeeeeee centr eeeeeeeeeneeeeeeeeseaeeenneeeee 5 3 4 Service and maintenance cccecccceeeeceeeeceeeeeceeeeeeeeeeeeaeeeeeeeeneeeeeeeees 7 3 5 Fault elimination ccc cecccecececeeen2. ccccceeceeeeeee lt 2 5 mm Subject to reasonable modifications due to technical advances Copyright Pepperl Fuchs Printed in Germany 9 Pepperl Fuchs Group Tel Germany 49 621 776 0 USA 1 330 4253555 Singapore 65 67799091 Internet http www pepperl fuchs com Manual Product specifications 10 Fieldbus interface POWEF IOSS cceeeceteeeeteeeeteeeeseeeenees 250 mW Trunk 9 31 VDC Rated Current cccecceeeeeeeees lt 45A Outputs Rated voltage eeeeeeeeseeees lt 31 VDC Rated Current cceceseeeeeeees lt 40mA Short circuit Current 0006 lt 45mA Current consumption 006 max 9 mA Voltage drop main line outputs lt 1 3 V Terminating impedance 100 Q Overvoltage protection typ 39 V max 41 V Ambient conditions Ambient temperature 8 40 70 C 233 343 K Storage temperature eee 40 85 C 233 358 K Mechanical data Connection type eee eeeeeeeeeeeees Screw terminals removable Core Cross Section eeeeeeeees lt 2 5 mm Subject to reasonable modifications due to technical advances Copyright Pepperl Fuchs Printed in Germany Pepperl Fuchs Group Tel Germany 49 621 776 0 USA 1 330 4253555 Singapore 65 67799091 Internet http www pepperl fuchs com Part No 181657 Date of issue 21 2 05 Part No 181657 Date of issue 21 2
3. Warning Please take the cable parameters to be used from the installation instructions of the corresponding Fieldbus system During installation of Segment Protectors the following parameters must be strictly followed The permissible core cross section is 0 2 mm to 2 5 mm The insulation stripping length of strands is 8 mm Whenever finely stranded conductors must be used the strand ends must be pro tected from fraying for example by using end splices The following identifying values must be observed when connecting Fieldbus trans mission lines Tightening torque for the screw terminals should be 0 5 0 6 Nm Subject to reasonable modifications due to technical advances Copyright Pepperl Fuchs Printed in Germany Pepperl Fuchs Group Tel Germany 49 621 776 0 USA 1 330 4253555 Singapore 65 67799091 Internet http www pepperl fuchs com Part No 181657 Date of issue 21 2 05 Part No 181657 Date of issue 21 2 05 Manual Installation and commissioning 5 2 R SP N12 Segment Protector for category 3G Zone 2 Class I Div 2 The Segment Protector may be used corresponding to its labeling in hazardous areas of category 3G Zone 2 Class Div 2 By using R SP N12 Segment Protectors in combination with different Fieldbus Power Supplies many different field topologies can be achieved Examples for possible use and topologies are shown in the following sections The trunk is classif
4. O When installing with a standard Fieldbus Power Supply the calculation Il ofall parameters must be performed according to the Entity concept Note 1 4 Subject to reasonable modifications due to technical advances Copyright Pepperl Fuchs Printed in Germany Pepperl Fuchs Group Tel Germany 49 621 776 0 USA 1 330 4253555 Singapore 65 67799091 Internet http www pepperl fuchs com Part No 181657 Date of issue 21 2 05 Part No 181657 Date of issue 21 2 05 Manual Installation and commissioning 5 2 2 Supply from Fieldbus Power Supply certified according to EN 50021 Segment Protector Fieldbus Power Supply ee o ine Ex nL SS E E E Up U maaa DaD P Zone 2 zs lii ar Field Devices Figure 5 2 Installation with EN 50021 certified Fieldbus Power Supply If the Segment Protector is operated with a voltage limited Fieldbus Power Supply certified according to EN 50021 see figure 5 2 then from a safety standpoint the maximum output voltage on the spurs is determined by the Fieldbus Power Supply The short circuit current on the output is limited to 45 mA The functional voltage available on the spurs of the Segment Protector is determined by the output voltage of the Fieldbus Power Supply The proof of connection is performed according to the Entity concept the following safety parameters must be observed Ug lt Ui field devices Li field devices L cable lt 0 25 mH Ci field devices C ca
5. IEC 60529 Degrees of protection provided by enclosures IP Code 1989 A1 1999 German version EN 60529 1991 A1 2000 6 2 Guidelines e FOUNDATION Fieldbus Application Guide AG 163 Revision 2 0 PROFIBUS PA User and Installation Guideline Version 2 2 February 2003 e Wiring and Installation Guide for FOUNDATION Fieldbus Pepperl Fuchs December 2003 Pre engineering document for Fieldconnex Pepperl Fuchs 2 2 Subject to reasonable modifications due to technical advances Copyright Pepperl Fuchs Printed in Germany Pepperl Fuchs Group Tel Germany 49 621 776 0 USA 1 330 4253555 Singapore 65 67799091 Internet http www pepperl fuchs com Part No 181657 Date of issue 21 2 05 Part No 181657 Date of issue 21 2 05 Manual Notes Subject to reasonable modifications due to technical advances Copyright Pepperl Fuchs Printed in Germany Pepperl Fuchs Group Tel Germany 49 621 776 0 USA 1 330 4253555 Singapore 65 67799091 Internet http www pepperl fuchs com 23 Manual Notes Subject to reasonable modifications due to technical advances Copyright Pepperl Fuchs Printed in Germany 24 Pepperl Fuchs Group Tel Germany 49 621 776 0 USA 1 330 4253555 Singapore 65 67799091 Internet http www pepperl fuchs com Part No 181657 Date of issue 21 2 05 With regard to the supply of products the current issue of the following document is applicable The General Terms of Delivery for Pr
6. 1 6 Subject to reasonable modifications due to technical advances Copyright Pepperl Fuchs Printed in Germany Pepperl Fuchs Group Tel Germany 49 621 776 0 USA 1 330 4253555 Singapore 65 67799091 Internet http www pepperl fuchs com Part No 181657 Date of issue 21 2 05 Part No 181657 Date of issue 21 2 05 Manual Installation and commissioning 5 3 R SP E12 Segment Protector for category 2G Zone 1 Fy 3 gt Q Warning If the R SP E12 Segment Protector is mounted in a category 2G Zone 1 environment the following instructions must absolutely be fol lowed The EC Type Examination certificate and any included particular con ditions must be observed If the R SP E12 Segment Protector is installed in a category 2G Zone 1 environ ment the housing in which the Segment Protector is mounted must be suitable for this use The housing must have an EC Type Examination certificate Warning Warning 9 5 3 Warning When using the Segment Protector in catetory 2G Zone 1 the installa tion guidelines of EN 60079 14 IEC 60079 14 must be observed The manual and the notes for installation and maintenance of the hous ing manufacturer must absolutely be followed The connection and disconnection of circuits and the opening of the housing in which the Segment Protector is installed may only be done during operation in a de energized state or when it
7. IEC 60079 14 must be observed a amp Part No 181657 Date of issue 21 2 05 Subject to reasonable modifications due to technical advances Copyright Pepperl Fuchs Printed in Germany Pepperl Fuchs Group Tel Germany 49 621 776 0 USA 1 330 4253555 Singapore 65 67799091 Internet http www pepperl fuchs com Part No 181657 Date of issue 21 2 05 5 4 5 5 5 6 Subject to reasonable modifications due to technical advances Manual Installation and commissioning Connection layout of spurs 2202029000000000000000000 J4 aj ee ee ee ees oe oo ay anne Figure 5 5 Connection layout of spurs Terminal Function Channel 1 Spur 1 spur 1 Channel 2 Spur 2 spur 2 Channel 12 Spur 12 spur 12 Table 5 1 Connection layout of spurs Connection layout of the trunk Terminal Function Trunk Trunk QQ J Trunk Trunk Figure 5 6 Trunk Table 5 2 Connection layout of the trunk Fieldbus terminator The R SP N12 and R SP E12 Segment Protectors have an integrated Fieldbus ter minator The Fieldbus terminator is activated when the bridge see figure 5 9 is screwed onto both Fieldbus terminator terminals see figure 5 7 Figure 5 7 Fieldbus terminator activated Figure 5 8 Fieldbus terminator deactivated Figure 5 9 Bridge Copyright Pepperl Fuchs Printed in Germany Pepperl Fuchs G
8. for bus communications activity Each channel also possesses a separate LED for the display of short circuits or faults on the output Device component overview BPEPPERL FUCHS 1i Figure 4 1 Device component overview 1 Spur terminals R SP N12 gt screw terminals removable Table 4 1 Device component overview Subject to reasonable modifications due to technical advances Copyright Pepperl Fuchs Printed in Germany Pepperl Fuchs Group Tel Germany 49 621 776 0 USA 1 330 4253555 Singapore 65 67799091 Internet http www pepperl fuchs com Part No 181657 Date of issue 21 2 05 Part No 181657 Date of issue 21 2 05 Manual Product specifications 4 3 Technical data Fieldbus interface Power lOSS 0 2 escceeeeeeeeeeeeeeeeeeees 250 mW Trunk Rated voltage 9 32 VDC Rated Current ccceeceeeeeeees lt 4 5A Outputs Rated Voltage cccesceessseeeeees lt 32 V DC Rated current cceeceeeeeeeees lt 40 mA Short circuit current 0 0e lt 50 mA Current consumption max 9 mA Voltage drop main cable outputs lt 1 3 V DC Terminating impedance 100 Q Overvoltage protection typ 39 V max 41 V Ambient conditions Ambient temperature ee 40 70 C 233 343 K Storage temperature eceeeeee 40 85 C 233 358 K Mechanical data Screw terminals fixed Core CroSS S CtiOn
9. of issue 21 2 05 3 2 Marking Manual Details The Segment Protector for installation in hazardous areas in category 3G Zone 2 is labelled with R SP N12 Pepperl Fuchs D 68307 Mannheim R SP N12 T V 04 ATEX 2465X x II 3 G EEx nA L IIC T4 The Segment Protector for installation in hazardous areas in category 2G Zone 1 is labelled with R SP E12 Pepperl Fuchs D 68307 Mannheim R SP E12 PTB 04 ATEX 2100X x II 2 G EEx mb e II T4 3 3 Mounting and dismounting Mounting and dismounting work is only to be performed by specially trained professionals Segment Protectors are to be mounted as follows on a 35 mm DIN rail compliant with EN 50022 Step 1 Step 3 e The DIN rail mounting of the Segment Protectors must mesh securely with the rail The Segment Protector must be fixed firmly on the rail Dismounting of Segment Protectors is performed in the reverse order Subject to reasonable modifications due to technical advances Copyright Pepperl Fuchs Printed in Germany 5 Pepperl Fuchs Group Tel Germany 49 621 776 0 USA 1 330 4253555 Singapore 65 67799091 Internet http www pepperl fuchs com Manual Details 6 S 3 gt Q Warning Warning Warning Warning 89 S 3 amp 89 S 3 gt Q Warning Subject to reasonable modifications due
10. to technical advances The Segment Protectors must be mounted for installation in the safe area in a housing which corresponds at least to protection class IP 20 per EN 60529 The R SP N12 Segment Protector must be mounted in a housing which is conform to the requirements of resistence to light and resistence to impact corresponding to EN 50 014 IEC 60079 0 the requirements of thermal endurance corresponding to EN 50 014 IEC 60079 15 The R SP N12 Segment Protector must be mounted for installation in the hazardous area in category 3G Zone 2 in a housing which corre sponds at least to protection class 54 per EN 60529 and which is suita ble for this type of installation The R SP E12 Segment Protector must be mounted for installation in the hazardous area in category 2G Zone 1 in a certified housing which is suitable for this type of installation The EC Type Examination certificate and any included particular con ditions must be observed If metal housings are used in the hazardous area they must be installed in such a way that even in the event of occasional service ignition sources resulting from sparks due to striking or abrading metal are avoided If plastic enclosures are used in the hazardous area then they must be constructed in such a way that if used as intended ignition dangers from electrostatic charge during maintenance and cleaning are avoided Segment Protectors must be protected from electrostatic
11. 05 Manual Product specifications 4 4 Mechanical dimensions R SP N12 R SP E12 z a R SP N12 R SP E12 all dimensions in millimeters mm and without tolerance indication Figure 4 2 Mechanical dimensions Subject to reasonable modifications due to technical advances Copyright Pepperl Fuchs Printed in Germany 1 1 Pepperl Fuchs Group Tel Germany 49 621 776 0 USA 1 330 4253555 Singapore 65 67799091 Internet http www pepperl fuchs com Manual Installation and commissioning 5 1 12 Installation and commissioning This chapter of the manual applies to the R SP N12 and R SP E12 Segment Protec tors General Segment Protectors may only be operated by trained professionals in accordance with these operating instructions For installation in hazardous areas IEC 60079 14 must be observed If devices are operated in general electrical systems they must not thereafter be operated in electrical systems that are connected with hazardous areas Warning Circuits in type of protection i that where operated with circuits of other types of protection may not be used as circuits in type of protection i afterwards Warning Circuits in type of protection nL that where operated with circuits of other types of protection except circuits in type of protection i may not be used as circuits in type of protection nL afterwards
12. Issue 21 2 05 Part No 181657 Date of issue 21 2 05 Manual Introduction 2 Introduction This user manual describes 2 types of Fieldbus distributors with short circuit current limitation at each spur so called Segment Protectors SP e R SP N12 a Segment Protector in Type of protection EEx nA L for use in category 3G Zone 2 R SP E12 a Segment Protector in Type of protection EEx mb for use in category 2G Zone 1 All products are developed and manufactured compliant with applicable European standards and guidelines O A corresponding Declaration of Conformity may be requested from the Il manufacturer Note C The manufacturer of the product Pepperl Fuchs GmbH in D 68301 Mannheim has a certified quality assurance program in accordane with w ISO 9001 1SO9001 Subject to reasonable modifications due to technical advances Copyright Pepperl Fuchs Printed in Germany 3 Pepperl Fuchs Group Tel Germany 49 621 776 0 USA 1 330 4253555 Singapore 65 67799091 Internet http www pepperl fuchs com Manual Details 3 1 4 Details The following chapter concerns the R SP N12 and R SP E12 Segment Protectors and is valid only in combination with the corresponding data sheets You can access the data sheets at www pepperl fuchs com The operator of the system is responsible in terms of planning mounting commissioning operating and maintenance Warning Intended use Fieldbus devices ar
13. ble lt 100 nF O The calculation of all parameters must be performed according to the u Entity concept The Fieldbus Power Supply must demonstrably have a Note EN 50021 IEC 60079 15 compliant certified voltage limitation Subject to reasonable modifications due to technical advances Copyright Pepperl Fuchs Printed in Germany 1 5 Pepperl Fuchs Group Tel Germany 49 621 776 0 USA 1 330 4253555 Singapore 65 67799091 Internet http www pepperl fuchs com Manual Installation and commissioning 5 2 3 Installation according to FNICO Segment Protector Fieldbus Power Supply Field Devices Figure 5 3 Installation according to FNICO A special case of the installation described in chapter 5 2 2 is the FNICO Fieldbus Non Incendive COncept see figure 5 3 FNICO provides a limitation of power supply voltage to a maximum of 17 5 Volts From a safety standpoint the maximum output voltage on the spur is determined by the Fieldbus Power Supply The functional voltage available on the spur of the Seg ment Protector is determined by the output voltage of the Fieldbus Power Supply The short circuit current on the output of the Segment Protector is limited to 45 mA With compliance of the boundary conditions specified by FNICO according to IEC 60079 17 the computer proof of connection is not necessary O The voltage limitation of the Fieldbus Power Supply must be certified compliant with EN 50021 IEC 60079 15 Note
14. charge The opening of the housing in which the Segment Protectors are installed may only be done in a de energized state Copyright Pepperl Fuchs Printed in Germany Pepperl Fuchs Group Tel Germany 49 621 776 0 USA 1 330 4253555 Singapore 65 67799091 Internet http www pepperl fuchs com Part No 181657 Date of issue 21 2 05 Part No 181657 Date of issue 21 2 05 Manual Details Recognised rules of the technology and setup requirements must be observed during mounting and dismounting Especially for tasks on electrical systems special safety requirements must be observed Special attention must be paid to the following points e Has the Segment Protector been installed in accordance with specifications e Is the Segment Protector free of damage e Is IP protection ensured 3 4 Service and maintenance The transmission properties of Segment Protectors are stable over long periods of time For this reason regular adjustment or service or the like is unnecessary Segment Protectors being operated in connection with hazardous areas may not be changed or manipulated Warning Details for the service and maintenance of the housing used can be found in the corresponding user s manuals 3 5 Fault elimination In case of defect the Segment Protector must be removed and replaced with a new one Warning 3 6 Disposal Disposal of Segment Protectors and their packaging material must be O performed in c
15. e often connected over spurs to the trunk of the Fieldbus system The Segment Protector serves to connect Fieldbus devices to the trunk Each output has a short circuit current limitation with a square characteristic curve Supply current and short circuit limitation of the Segment Protectors Supply current Short circuit limitation R SP N12 max 40 mA per output 45 mA R SP E12 max 40 mA per output 50 mA The R SP N12 and R SP E12 Segment Protectors can be used for all Fieldbus sys tems using the Manchester Bus Powered physics as in IEC 61158 2 e g FOUNDATION Fieldbus and PROFIBUS PA Laws and or regulations governing the use or intended usage goal must be observed The Segment Protectors are only approved for proper professional usage in accord ance with the intended purposes Improper handling will void any claim made under the warrantee and any manufacturer s liability Protection of operating personnel and the system is not ensured if the module is not used in accordance with its intended purpose Warning The device can only be operated by trained professionals in accordance with the available instruction manual Subject to reasonable modifications due to technical advances Copyright Pepperl Fuchs Printed in Germany Pepperl Fuchs Group Tel Germany 49 621 776 0 USA 1 330 4253555 Singapore 65 67799091 Internet http www pepperl fuchs com Part No 181657 Date of issue 21 2 05 Part No 181657 Date
16. eeceeeeeeeeeeeeeeceeaeeeeseseeaeeeeeeseneeeeeeeees 7 3 6 DISPOSAllviscdteeiceessstechechenavecs eeeectedelebenrets eo aa a etree Ratan peat 7 4 Product Specifications cceccceececeeee cence eee ee eee ee eeeeeeeeeeeeseneeeeeeeeseeeeeeees 8 4 amp 1 Functional A SCh ptlon sssini aatinaa 8 4 2 Device COMPONENt OVEFVIEW eee ee eeee eset eeeteeesesaeeeseeeeetnateeeeaeeeeenees 8 AS Fechmical datassa oiire aaie a aniei 9 4 4 Mechanical dimensions cccccceeceeeeeeeececeeeeeeeeeeeeeeseeeeeeeeseeaeaeees 11 5 Installation and commissioning 2 2 cccesesseceeeeeeeeeeeeeeeeeeeeeeeeeees 12 Si GMSMA eee cette ace ce vetce te de ceca a a tuteteeeaweaeese 12 5 2 R SP N12 Segment Protector for category 3G Zone 2 Class DiV 2 eerie 13 5 2 1 Supply from Fieldbus Power Supply not certified according to EN 5002 Jesca ariera iar earo os aai ec deepanayeese 14 5 2 2 Supply from Fieldbus Power Supply certified according to EN 5002 ricsi sesine innis malteni niaar ii 15 5 2 3 Installation according to FNICO sssssessssesriesiieerirssriresrireernneeresres 16 5 3 R SP E12 Segment Protector for category 2G Zone 1 nsss 17 5 4 Connection layout Of SPUIS 0 eee ceeeeeeeeee cents eeeeeeeeeeeeetaeeeeenaeeteeeees 19 5 5 Connection layout of the trunk ooo ee eee eeeeeeeeneeeeeeeeeenteeeeeeeeeneaees 19 5 6 Fieldbus terminator ccccccececeeeceeeeeeeeeneeceeeeseaeaeeeeseceeaeeeeeeseneeeess 19 5 7 Groundin
17. g shielding of Fieldbus transmission lines eeeee 20 5 8 Status and error MESSAGES eee cece ee eeeeeeeeeeceeeaeeeeeeeeeeneeeeeeaeeeeeneees 21 6 List of referenced dokuments 2 c ccecseeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeneeees 22 6i NOMO a aE a a a a cke da e a E E ENN 22 62 101 0 a caer ne rere ee rere ere ree ery ee rere eea Era EEEE 22 Subject to reasonable modifications due to technical advances Copyright PepperisFucns Pintin Germany 4 Pepperl Fuchs Group Tel Germany 49 621 776 0 USA 1 330 4253555 Singapore 65 67799091 Internet http www pepperl fuchs com Manual Explanation of symbols 1 2 Explanation of symbols This symbol indicates a warning about a possible danger In the event the warning is ignored the consequences may range from personal injury to death or from damage to equip Waming Ment to destruction This symbol warns of a possible fault Failure to observe the instructions given in this warning may result in the device and any connected facilities or systems to it develop a fault or fail Attention Completely This symbol brings important information to your attention O lIl Note Subject to reasonable modifications due to technical advances Copyright Pepperl Fuchs Printed in Germany Pepperl Fuchs Group Tel Germany 49 621 776 0 USA 1 330 4253555 Singapore 65 67799091 Internet http www pepperl fuchs com Part No 181657 Date of
18. ied EEx nA in all topologies and the outputs of the Segment Pro tectors are classified as energy limited EEx nL The short circuit current lo is al ways 45 mA When using a Fieldbus Power Supply which is voltage limited certified according to EN 50021 this determines the safety oriented maximum voltage U In all other cas es U is limited by the Segment Protector itself to 31 V U 31 V For particular questions and for further information please contact Pepperl Fuchs www pepperl fuchs com The Declaration of Conformity and any included particular conditions must be observed The connection and disconnection of non power limited circuits carrying current is permitted only during installation or maintenance or for pur poses of repair The temporary coexistence of potentionally explosive atmosphere and installation maintenance and repair work is considered improbable in Zone 2 10 Fi E Note Devices may only be connected to non power limited circuits in category 3G Zone 2 which are suitable for operation in this zone and for the conditions pertaining at the installation location A manufacturer declaration or certificate from a testing authority must be available The connection or disconnection of field devices under voltage is only allowed if the field device is certified as EEx nL or EEx i and the electrical safety requirements are fulfilled simplified proof of intrinsic safety If installation is pe
19. ioning TERM ON COM PWR Figure 5 11 LED ON COM PWR Figure 5 12 LED CHANNEL ERRORS LED Meaning CHANNEL ERROR red blinking gt short circuit TERM ON yellow gt Fieldbus terminator activated COM yellow blinking gt bus activity PWR green gt Fieldbus power present Table 5 4 Meaning of LEDs o There is a separate LED CHANNEL ERROR for each channel In case I ofan error only the LED of the channel affected blinks Note Subject to reasonable modifications due to technical advances Copyright Pepperl Fuchs Printed in Germany Pepperl Fuchs Group Tel Germany 49 621 776 0 USA 1 330 4253555 Singapore 65 67799091 Internet http www pepperl fuchs com 21 Manual List of referenced dokuments 6 List of referenced dokuments 6 1 Norms e IEC 61158 2 Digital data communication for measurement and control Field bus for use in industrial control systems IEC 61158 Ed 3 2002 IEC 60079 0 Electrical apparatus for explosive gas atmospheres IEC 60079 0 Ed 4 2004 1 IEC 60079 14 Electrical installations in hazardous areas third edition 2002 10 IEC 60079 15 Type of protection n second edition 2001 02 German version EN 60079 15 2003 DIN EN 50021 IEC 60079 17 Inspection and maintenance of electrical installations in hazardous areas second edition 1996 12 IEC 60079 27 Fieldbus intrinsically safe concept FISCO first edition 2002 11
20. is ensured that no explosive atmosphere is present If in the housing in which the Segment Protector is installed also intrin sically safe circuits are to be operated the terminals of the Segment Protector must be protected with an additional covering This covering must achieve protection class IP 30 according to EN 60529 Subject to reasonable modifications due to technical advances Copyright Pepperl Fuchs Printed in Germany 17 Pepperl Fuchs Group Tel Germany 49 621 776 0 USA 1 330 4253555 Singapore 65 67799091 Internet http www pepperl fuchs com Manual Installation and commissioning 18 Fieldbus Power Supply FL Field Devices Ex d 3 Figure 5 4 Installation in categorie 2G Zone 1 The maximum output voltage for each spur on the Segment Protector is limited to 32 V and the output current to 40 mA When using a Segment Protector the short circuit current on the output is limited to 50 mA Characteristics of field devices When installing in category 2G Zone 1 all field devices must be certi fied for this use EC Type Examination certificate e g ignition protec Warning tion class EEx d Characteristics of the trunk and spurs in Zone 1 Both the trunk and all spurs to the field devices must satisfy the require ments of ignition protection class increased safety EEx e i amp When using the Segment Protector in catetory 2G Zone 1 the installa tion guidelines of EN 60079 14
21. oducts and Services of the Electrical Industry as published by the Central Association of the Elektrotechnik und Elektroindustrie ZVEI e V including the supplementary clause Extended reservation of title We at Pepperl Fuchs recognise a duty to make a contribution to the future For this reason this printed matter is produced on paper bleached without the use of chlorine gt www pepperl fuchs com Worldwide Headquarters Asia Pacific Headquarters Pepperl Fuchs GmbH K nigsberger Allee 87 Pepperl Fuchs Pte Ltd P F Building 68307 Mannheim Germany 18 Ayer Rajah Crescent Singapore 139942 Tel 49 621 776 0 Fax 49 621 776 1000 Tel 65 67799091 Fax 65 68731637 e mail info de pepperl fuchs com e mail sales sg pepperl fuchs com USA Headquarters Pepperl Fuchs Inc 1600 Enterprise Parkway Twinsburg Ohio 44087 Cleveland USA Fa PE PP E R L FU C HS Tel 1 330 4253555 gt Fax 1 330 4 25 93 85 e mail sales us pepperl fuchs com SIGNALS FOR THE WORLD OF AUTOMATION Subject to reasonable modifications due to technical advances Copyright Pepperl Fuchs Printed in Germany Part No 181657 07 04 00
22. ompliance with the applicable laws and guidelines of the ial corresponding country The Segment Protectors contain no batteries which must be disposed Note gt of separately from the Segment Protectors Subject to reasonable modifications due to technical advances Copyright Pepperl Fuchs Printed in Germany 7 Pepperl Fuchs Group Tel Germany 49 621 776 0 USA 1 330 4253555 Singapore 65 67799091 Internet http www pepperl fuchs com Manual Product specifications 4 4 1 4 2 8 Product specifications Functional description The R SP N12 and R SP E12 Segment Protectors are Fieldbus distributors for Man chester coded two wired Fieldbusses compliant with IEC 61158 2 like FOUNDA TION Fieldbus H1 or PROFIBUS PA The Segment Protectors are designed for the connection of up to 12 field devices see chapter 5 4 Each output has a separate short circuit current limitation These in crease the availability of the Fieldbus segment as a whole If an output has a short circuit or failure the connected Fieldbus Power Supply is only loaded with the short circuit current of the faulty output the Fieldbus segment remains intact otherwise The integrated Fieldbus terminator can be activated using an external bridge see chapter 5 6 Two groups of LEDs grouped by function support commissioning and fault searches see chapter 5 8 There are LEDs for the existence of supply power the activation of the Fieldbus terminator and
23. rformed in compliance with FNICO acc to IEC 60079 27 the max imum length of each spur is limited to 60 m Further information in this regard can be found in the Wiring Installation Guide from Pepperl Fuchs The diameter of individual wires in hazardous areas may not be less than 0 2 mm This also applies to the individual strands of stranded wires Subject to reasonable modifications due to technical advances Copyright Pepperl Fuchs Printed in Germany 1 3 Pepperl Fuchs Group Tel Germany 49 621 776 0 USA 1 330 4253555 Singapore 65 67799091 Internet http www pepperl fuchs com Manual Installation and commissioning 5 2 1 Supply from Fieldbus Power Supply not certified according to EN 50021 Segment Protector Fieldbus Power Supply Field Devices Figure 5 1 Installation in category 3G Zone 2 Class Div 2 When supplying power to a segment using a Standard Fieldbus Power Supply not certified according to EN 50021 see figure 5 1 the output voltage on the Segment Protector for each spur is limited to 31 V and the short circuit current to 45 mA The functional output voltage is determined by the Fieldbus Power Supply The output current available for field devices is 40 mA per spur The proof of connection is performed according to the Entity concept the following safety parameters must be observed 31 V lt Ui field devices Li field devices L cable lt 0 25 mH Ci field devices C cable lt 100 nF
24. roup Tel Germany 49 621 776 0 USA 1 330 4253555 Singapore 65 67799091 Internet http www pepperl fuchs com 19 Manual Installation and commissioning 5 7 20 Grounding shielding of Fieldbus transmission lines The shields of Fieldbus transmission lines must be connected together outside the Segment Protector using a separate ground rail see figure 5 10 If the shield of the trunk or the spurs of a Fieldbus transmission line is grounded due to EMC considerations Section 12 2 2 3 of EN 60079 14 and Section 3 3 3 of the PROFIBUS PA User and Installation Guideline or Sections 4 1 and 4 4 of the FOUN DATION Fieldbus Application Guides should be closely observed Further information about grounding can be found in the Wiring Installation Guide or in the FOUNDATION Fieldbus Pre Engineering Document from Pepperl Fuchs Figure 5 10 Grounding shielding of Fieldbus transmission lines 1 Spur 2 Shielding connection terminal 3 Grouding rail Table 5 3 Grounding shielding components Subject to reasonable modifications due to technical advances Copyright Pepperl Fuchs Printed in Germany Pepperl Fuchs Group Tel Germany 49 621 776 0 USA 1 330 4253555 Singapore 65 67799091 Internet http www pepperl fuchs com Part No 181657 Date of issue 21 2 05 Part No 181657 Date of issue 21 2 05 5 8 Status and error messages Manual Installation and commiss
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