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Power repeater / power supply according to IEC 61158-2

FOUNDATION FieldbusPower supply, connections and operating

Subject to reasonable modifications due to technical advances.

Fuchs Group • Tel.: Germany (06 21) 7 76-0 • USA (330) 4 25 35 55 • Singapore 7 79 90 91 • Internet http://www.pepperl-fuchs.com

Summary of Contents for KLD2-PR-1.IEC.

Page 1: ...FIELD BUS COMPONENTS POWER REPEATERS POWER SUPPLIES FOR FIELD BUSSES IN ACCORDANCE WITH IEC 61158 2 PROCESS AUTOMATION Manual...

Page 2: ...y the Zentralverband Elektrotechnik und Elektroindustrie ZVEI e V in its most recent edition as well as the supplementary proviso Extended property proviso are applicable We at Pepperl Fuchs feel obli...

Page 3: ...for field bus systems 8 4 1 The FISCO model 9 4 2 The Entity model 10 5 FOUNDATION FieldbusGeneral 11 5 1 Ranges of application of power repeaters 11 5 1 1 Dimensioning of a field bus segment in accor...

Page 4: ...contents Subject to reasonable modifications due to technical advances Copyright Pepperl Fuchs Printed in Germany Pepperl Fuchs Group Tel Germany 06 21 7 76 0 USA 330 4 25 35 55 Singapore 7 79 90 91...

Page 5: ...the data signal and the power supply to the bus segment the power supply switches only electrical power to the bus segment Specific details of this manual ap ply to the following products of Pepperl F...

Page 6: ...f issue12 02 2002 4 2 Symbols used in this document 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...

Page 7: ...rminals of power repeaters KLD2 PR Ex1 IEC or KLD2 PR Ex1 IEC1 Protection of operating personnel and the system is only ensured if the sub assembly is used in accordance with the usage for which it is...

Page 8: ...be made of 2 cases on the host side for the FOUNDATION Field bus 1 There are no field devices on the transmission line connected between the host and power repeater 2 Field devices are connected to th...

Page 9: ...ce other than the power repeater If this power feed device is a device that also is equipped with an electrical current limitation in accordance with ignition protection type Non incendive for example...

Page 10: ...field bus foundation The two are distinguished in a number of ways including the way the cable is considered While the FISCO model considers the transmission line as distributed inductance and capacit...

Page 11: ...peater 5 Each instrument must fulfill the following requirement Ci 5 nF Li 10 H 6 The permissible line length for EEx ia IIC applications is 1000 m 7 The permissible spur length for Ex applications is...

Page 12: ...bject to the risk of explosion when compared with the FISCO mo del The values for Power Repeaters KLD2 PR Ex1 IEC and KLD2 PR2 Ex1 IEC are 10 6 V and 70 mA The result of this is that only 6 stations c...

Page 13: ...r both systems They are used to be able to increase the line length of the bus segment to be able to connect more instruments on a bus segment that a segment coupler a bridge can supply power to to im...

Page 14: ...ion in Zone 2 with 70 mA power supply current for connection to field bus systems in accordance with the FISCO model or for connection to the field bus system in accordance with the Entity model for d...

Page 15: ...1900 m 1900 m min line lengthc 519 m 860 m 348 m 852 m a The actual number of field devices on a bus segment depends on the actual current consumption of the slaves The specified numbe r of field dev...

Page 16: ...he maximum number of sta tions per field bus segment For example field devices with a current consumption of 22 8 mA are used 4 field devices can be connected to one segment for Ex applica tions accor...

Page 17: ...44 km A requirement for problem free functioning of a field device is that the input voltage on the bus line be at least 9 V The following therefore applies to the maximum voltage drop over the lead...

Page 18: ...duced resistance coating has to be used If the opposite approach is selected in other words if you would like to determine whether the input voltage Uon for a specified application is sufficiently hig...

Page 19: ...s an overview of permissible stub lines Table 2 applies with the prerequisite that exactly one field device is connected to a spur If more field devices are connected on a spur the line lengths must b...

Page 20: ...n class The following table shows an overview of the most important characteristic values To determine the exact maximum line length please refer to the section Voltage cal culation and line length on...

Page 21: ...anics of power repeaters 6 1 Mechanical dimensions and connections Power repeaters and power supplies are designed according to the tried and proven KF system of Pepperl Fuchs In principle there are t...

Page 22: ...s of power repeaters without Ex i interface The following illustration applies in regard to the mechanical dimensions for products KLD2 PR Ex1 IEC KLD2 PR2 Ex1 IEC KLD2 PR Ex1 IEC1 KLD2 PR2 Ex1 IEC1 F...

Page 23: ...22 with an inserted power rail The devices can simply be snapped ver tically onto the top hat section rail In no case should the mod ule be mounted from the side so that it is slanted or tipped The ad...

Page 24: ...hat no decoupling diodes are integrated in this case that prevent the flow of power from the power rail through the power feed module to the power pack Power feed module KFD2 EB D2A B is designed for...

Page 25: ...d with the field bus on the host side This applies the signal to the power rail Power repeaters 2 to 4 receive the data signal from there For the terminal assignment for the different versions please...

Page 26: ...this purpose The following tables show the pin assignment for power repeaters and power sup plies Table 1 Connections for the power supply KLD2 STR 1 24 400 IEC KLD2 STR 1 13 225 IEC KLD2 PR 1 IEC KL...

Page 27: ...r repeaters with an intrinsically safe interface The field bus terminator must be turned on the host side Position 1 if the power re peater is the last instrument on the non intrinsically safe segment...

Page 28: ...de if the power repeater represents the last instrument in the bus segment The position of Switch S2 must be observed in the case of these power repeaters as well see page 25 7 5 2 Operating component...

Page 29: ...ssion line and on each field bus instrument This requires laying a potential equalization line 2 Hard grounding on all field devices capacitive grounding on the power repeater on the current supply se...

Page 30: ...nstruments Figure 7 8 Example capacitive grounding on the power repeater on the power supply 40 41 Field bus Field bus 1 2 3 Host side Field side 58 59 60 Potential equalization on host side Potential...

Page 31: ...l Fuchs recommends that you always use shielded leads for the field bus For hard grounding with intrinsically safe applications a potential equal ization must be laid between the Ex and non Ex area Th...

Page 32: ...ly connections and operating Date of issue12 02 2002 30 Subject to reasonable modifications due to technical advances Copyright Pepperl Fuchs Printed in Germany Pepperl Fuchs Group Tel Germany 06 21 7...

Page 33: ...y the Zentralverband Elektrotechnik und Elektroindustrie ZVEI e V in its most recent edition as well as the supplementary proviso Extended property proviso are applicable We at Pepperl Fuchs feel obli...

Page 34: ...cation 0 1 0 Worldwide Headquarters 23 45 64785 9 0 6 5 56 8 6 5 56 8 88 e mail pa info de pepperl fuchs com http www pepperl fuchs com USA Headquarters 0 688 9 845 9 0 778 7 778 685 e mail sales us p...

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