Flowserve MX FOUNDATION Fieldbus Field Unit Manuel d'utilisateur télécharger pdf (Page 21)

MX/QX FOUNDATION Fieldbus Field Unit FCD LMENIM2330-01 – 08/11

ﬂowserve.com

2.6.2.2 Network Cable Connections to Other Network Components

Each FOUNDATION ﬁeldbus network may require some or all of the following components depending

on the application:

• Junction Box/Terminal Blocks

• Connectors

• Power Supplies

• Power Conditioners

• Terminators

• Intrinsic Safety Barriers

• Bridge and Repeaters

For cable connecting information on these components, see the following:

• FOUNDATION Fieldbus Wiring and Installation 31.25 kbits/s, Voltage Mode, Wire Medium AG-140

• Relcom Inc. Fieldbus Wiring Design and Installation Guide

• ANSI/ISA-S50.02, Part 2-1992, Fieldbus Standard for Use in Industrial Control Systems Part 2:

Physical Layer Speciﬁcation and Service Deﬁnition

2.6.2.3 Cable Length and Number of Devices Requirements

The network cable consists of a trunk, segments, and spurs. The trunk is the main connection

between all the devices. A segment is a section of the cable that contains the terminators. A spur

connects to the trunk through a junction box. The following topologies are possible:

• Point-to-point

• Bus with Spurs

• Daisy Chain

• Tree topology

• Combination of the above

Figure 2.15 – Network with Spurs

Fieldbus

I/O

Control Highway

DCS

(Host)

Terminator

Junction

Box

Fieldbus Trunk

Spur

Terminator

MX/QX FF

Actuator

MX/QX FF

Actuator

MX/QX FF

Actuator

MX/QX FF

Actuator

1 2 ... 16 17 18 19 20 21 22 23 24 25 26 ... 83 84

Commentaires sur ces manuels

Pas de commentaire

Flowserve MX FOUNDATION Fieldbus Field Unit Manuel d'utilisateur Page 21

Commentaires sur ces manuels

Produits connexes et manuels pour Matériel Flowserve MX FOUNDATION Fieldbus Field Unit