October 2018
Intermediate to advanced
962 pages
40h 41m
English
Content preview from Industrial Communication Systems
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38-6 Industrial Communication Systems
38.4.1 Physical Addressing
In the physical addressing scheme, the 32 bit address eld within each EtherCAT PDU is split into a 16
bit
slave
device
address
and
a
16
bit
physical
address
within
the
slave
device,
thus
leading
to
2
16
slave
device
addresses,
each
one
with
an
associated
16
bit
local
address
space.
With
device
addressing,
each
EtherCAT
PD
U
un
iquely
ad
dresses
on
e
sin
gle
sl
ave
de
vice.
is
mode
is
mostly
suitable
for
transferring
parameterization
information
for
devices.
ere
are
two
dierent
device
addressing
mechanisms,
namely,
position
addressing
and
node
addressing.
ere
is
also
a
th
ird
mo
de
fo
r
br
oadcast
me
ssages.
Now
let
us
consider
the
node
addressing
mode
(also
dened
as
congured
station ...
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