Industrial Communication Systems

35-6 Industrial Communication Systems

e majority of today’s FBPS have galvanic isolation between the eldbus communication module

to

the

host

and

the

eld

segment

where

the

instruments

are

installed

as

this

prevents

disturbances

and

noises

from

the

eld

or

host

system

and

the

bulk

power

supply,

propagating

from

one

system

to

another;

thus,

minimizing the risk of damage to the host I/O card.

FBPS

are designed for a range of conditions, and as a result, the power conditioner may have

voltage

output

between

12

and

28

V

and

80–500

mA.

e

predominant

factor

aecting

the

available

power

range

and

associated

voltage/current

available

is

the

area