Industrial Communication Systems

33-1

33.1 INTERBUS Overview

INTERBUS was developed by the German company Phoenix Contact and presented in 1987. INTERBUS

has

been

designed

as

a

fast

sensor/actuator

bus

for

transmitting

process

data

in

industrial

environments

and is standardized in the IEC-61158 [1]. It presents several peculiarities that are mainly related to

the topology and to the protocol that provides fast, cyclic, and time-equidistant process data transmission,

diagnostics

to min

imize

dow

ntime,

and eas

y

ope

ration

and ins

tallation

[2,

3].

e

rst

important

feature

refers

to

the

topology.

INTERBUS

is

a

ring

system,

that

is,

all

devices

are

actively

integrated

in

a

closed