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Fieldbarrier – VEGA FIELDBARRIER User Manual

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FieldBarrier

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

08/

2007 122329

1

1

Introduction .............................................................................................. 3

2

Validity of these instruction manual ...................................................... 4

3

Symbols used ........................................................................................... 5

4

Instruction manual ................................................................................... 6

4.1

Intended use ............................................................................................................ 6

4.2

Marking .................................................................................................................... 7

4.3

Ambient conditions ................................................................................................ 7

4.4

Mounting and dismounting .................................................................................... 7

4.4.1

Mounting and dismounting the F2D0-FB-Ex4.*** ..................................................... 7

4.4.2

Mounting/dismounting of RD0-FB-Ex4 ..................................................................... 7

4.5

Commissioning and installation ........................................................................... 8

4.5.1

Commissioning and installation of the F2D0-FB-Ex4.*** .......................................... 9

4.5.2

Commissioning and installation of RD0-FB-Ex4 ..................................................... 10

4.6

Grounding / shielding of the F2D0-FB-Ex4.*** and RD0-FB-Ex4 ...................... 10

4.7

Repair and maintenance ...................................................................................... 11

4.8

Fault elimination ................................................................................................... 11

4.9

Disposal ................................................................................................................. 11

5

General .................................................................................................... 12

5.1

Range of application of the FieldBarrier ............................................................ 12

5.2

Introduction to intrinsic safety for fieldbus systems ........................................ 12

5.2.1

The FISCO model ................................................................................................... 13

5.2.2

The Entity model ..................................................................................................... 14

5.2.3

Topologies .............................................................................................................. 15

5.2.4

Grounding ............................................................................................................... 17

6

Planning for a fieldbus application ...................................................... 19

6.1

Functional description of the FieldBarrier ......................................................... 19

6.2

Topologies in combination with the FieldBarrier .............................................. 21

6.2.1

Topologies on intrinsically safe outputs .................................................................. 21

6.2.2

Topologies of the trunk in connection with the FieldBarrier .................................... 22

6.3

Dimensioning of a fieldbus segment .................................................................. 23

6.4

Terminating the trunk with a fieldbus terminating resistor. ............................. 23

6.5

Mechanical dimensions ....................................................................................... 24

6.5.1

Mechanical dimensions of the R version ................................................................ 25