Industrial Communication Systems

15-6 Industrial Communication Systems

e proxy functionality enables the representation of the eld device (FD) application data in context

of

the

object

model

used

in

the

VAN

domain.

is

mechanism

also

allows

all

relevant

devices’

data

of

a

certain

physical

device

without

VAN

capabilities

to

be

represented

as

a

VAN-VD.

is

device

is

visible

within

the VAN domain, although it has not been connected to the VAN directly.

It

can

be

seen

that

the

VAN-AD

and

the

VAN-PD

oer

an

integration

path

to

combine

dierent

communication

technologies

in

a

given

automation

application,

thus

to

handle

the

heterogeneity

of

participating

communication networks